Articles
2000~
17. A. Billah,Y. Matsuno, A. N. Anju, K. Koike, S. Kubota, F. Hirose, B. Ahmmad, Unusual
behavior of magnetic coercive fields with temperature and applied field
in La-Doped BiFeO3 ceramics, ACS Applied Electronic Materials, (in press) (2023).
16. S. Kubota, B. Ahmmad, F. Hirose, Optical design of multilayer antireflection
coating for indoor solar cell applications, Applied Optics, vol. 62(8), pp. 2117-2123 (2023).
15. A. Billah, I. Hossain, A. Nahar, M. Hasan, M.K. Roly, A. N. Anju, K. Saito,
F. Hirose, B. Ahmmada, S. M. Hoque, Enhanced magnetic and ferroelectric
properties ofLa1-xMxFeO3 (M = Dy and Y) nanoparticles: A comparison of A-site doping, Journal of Magnetism and Magnetic Materials, vol. 565, pp. 170302 (2022).
14. K. Saito, K. Yoshida, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, and
F. Hirose, Moisture barrier coating of AlN and Al2O3 multilayer film prepared by low-temperature atomic layer deposition, Journal of Vacuum Science & Technology A, vol. 40, pp. 062410 (2022).
13. K. Saito, K. Yoshida, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, F.
Hirose, Low-temperature atomic layer deposition of AlN using trimethyl
aluminum and plasma excited Ar diluted ammonia, IEICE Transactions on Electronics、vol. E105-C (10) pp. 596–603 (2022).
12.K. Saito, K. Yoshida, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, F. Hirose,
Low-temperature deposition of yttrium oxide on flexible PET films using
time- separated yttrium precursor and oxidizer injections, IEICE Transactions on Electronics, vol. E105-C (10) pp. 604-609 (2022).
11.T.Saito, K. Yoshida, K. Saito, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota,
F. Hirose, Multiple layers of aluminum silicate and silicon dioxide deposited
by room- temperature atomic layer deposition for enhanced cation sorption,
Journal of Vacuum Science & Technology A, vol. 40, pp.042406 (2022).
10. K. Yoshida, I. Nagata, K. Saito, M. Miura, K. Kanomata, B. Ahmmad, S.
Kubota, F. Hirose, “Room-temperature atomic layer deposition of iron oxide
using plasma excited humidified argon”, Journal of Vacuum Science & Technology A, vol. 40, pp. 022408 (2022).
9. A. Billah, F. Tojo, S. Kubota, F. Hirose, B. Ahmmad,"Organic molecule
embedded CdS nanocomposite for hydrogen generation from water : Effect
of precursors' concentrations", International Journal of Hydrogen Energy, vol. 46, pp. 35302-35310 (2021).
8. R. Hossain, A. Billah, M. Ishizaki, S. Kubota, F. Hirose, B. Ahmmad, "Oxygen
vacancy mediated room-temperature ferromagnetism and bandgap narrowing
in DyFe0.5Cr0.5O3 nanoparticles," Dalton Transactions, vol. 50, pp. 9519-9528 (2021).
7. K. Sogai, K. Saito, K. Yoshida, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota,
F. Hirose, “Nanothick TiO2 channel thin film transistors for UV and gas sensing" , ECS Journal of Solid State Science and Technology, vol. 10, pp. 065006 (2021).
6. K. Yoshida, K. Saito, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, F.
Hirose, “Room temperature atomic layer deposition of nano crystalline ZnO
and its application for flexible electronics”, IEICE Transactions on Electonics、vo. E104-C (7), pp. 363-369 (2021).
5. Y. Mori, K. Yoshida, K. Saito, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota,
F. Hirose, "Room-temperature atomic layer deposition of aluminum silicate
and its application to Na- and K-ion sorption,"Journal of The Electrochemical Society, vol. 167(3), pp. 137502 (2020).
4. S. Das, B. Ahmmad, M. A. Basith, "Thermal stability of the crystallographic
structure of nanocrystalline Nd0.7Sr0.3MnO3 manganite with enhanced magnetic properties," AIP advances, vol. 10, pp.095135 (2020).
3. F. Tojo, M. Ishizaki, S. Kubota, M. Kurihara, F. Hirose, B. Ahmmad ,
"Histidine decorated nanoparticles of CdS for highly efficient H2
production via water splitting", Energies, vol.13, pp.3738 (2020).
2. S. Kubota, K. Kanomata, B. Ahmmad, J. Mizuno, F. Hirose, "FDTD optical
simulation for organic solar cells incorporated with antireflection nanostructures",
Journal of Advanced Simulation in Science and Engineering, vol. 7(1), pp.
82-88 (2020).
1. S. Kubota, K. Hiraga, K. Kanomata,B. Ahmmad, J. Mizuno, F. Hirose, "Efficient
light trapping structures for organic photovoltaics fabricated by nanoimprint
lithography", Journal of Photopolymer Science and Technology, vol. 33, pp. 103-109 (2020).
2010-2019
47. K. Yoshida, K. Tokoro, K. Kanomata, M. Miura, K. Saito, B. Ahmmad, S.
Kubota, F. Hirose, "Room temperature atomic layer deposition of niobium
oxide using plasma excited humidified argon and its application to anticorrosion
to hydrochloric acid", Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, vol. 37, pp. 060901 (2019).
46. I. M. M. Rahman, R. Mutsuddi, N. Jii, S. Barua, B. Ahmmad, M. G. Kibria,
M. M. Hossain, Z. A. Begum, B. K. Dey, H. Hasegawa, "Does open-beach
ship-breaking affect the mineralogical composition of soil more adversely
than typical industrial activities?", Journal of Environmental Management, vol. 240, pp.374-483 (2019).
45. K. Tokoro, S. Saito, K. Kanomata, M. Miura, B. Ahmmad, S. Kubota, F.
Hirose, "Room-temperature atomic layer deposition of SnO2 using tetramethyltin and its application to TFT fabrication", IEICE Transactions on Electronics, vol. E101-C(5), pp.317-322 (2018).
44. T. Imai, Y. Mori, K. Kanomata, M. Miura, B. Ahmmad, S. Kubota, F. Hirose,
"Room-temperature atomic layer deposition of aluminum silicate and
its application in dye sensitized solar cells", Journal of Vacuum Science & Technology A Vacuum Surfaces and Films,vol. 36(1), pp.01A106 (2017)
43. M. Basith, M. A. Islam, B. Ahmmad, M. S. Hossain, K. Molhave, "Preparation
of high crystalline nanoparticles of rare-earth based complex pervoskites
and comparison of their structural and magnetic properties with bulk counterparts",
Materials Research Express, 4(7), pp.075012 (2017).
42. S. S. Chowdhury, A. H. M. Kamal, R. Hossain, M. Hasan, M. F. Islam, B.
Ahmmad, M. A. Basith, “Dy doped BiFeO3: A bulk ceramic with improved multiferroic properties compared to nano
counterparts”, Ceramic International, vol. 43, pp. 9191-9199 (2017).
41. S. Kubota, Y. Harada, T. Sudo, K. Kanomata, B. Ahmmad, J. Mizuno, F.
Hirose, “An integrated antireflection design using nanotexture and high-refractive-index
glass for organic photovoltaics”, Journal of Coatings Technology and Research, vol. 14, pp.1209-1224 ( 2017).
40. K. Kikuchi, M. Miura, K. Kanomata, B. Ahmmad, S. Kubota, F. Hirose, “Room
temperature atomic layer deposition of TiO2 on gold nanoparticles”, Journal of Vacuum Science and Technology A, vol. 35, pp. 01B121 (2017).
39. S. Karimunnesa, B. Ahmmad, M. A. Basith, “Effect of Strontium substitution
on the structural and magnetic properties of La1.8Sr0.2MMnO6 (M = Ni, Co)-layered manganites, Phase Transitions, vol. 90(7), pp. 677-686 (2016).
38. M. A. Basith, A. Billah, M. A. Jalil, N. Yesmin, M. A. Sakib, E. K. Ashik,
S. M. E. H. Yousuf, S. S. Chowdhury, M.S. Hossain, S.H. Firoz, B. Ahmmad,
“The 10 % Gd and Ti co-doped BiFeO3: A promising multiferroic material, Journal of Alloys and Compounds, vol. 694, pp.792-799 (2016).
37. S. Kubota, K. Kanomata, B. Ahmmad, J. Mizuno, F. Hirose, “FDTD analysis
of light passing through glass substrate and its application to organic
photovoltaics with moth eye antireflection coating”, Journal of Photopolymer Science and Technology, vol. 29, pp. 209-214 (2016).
36. K. Kanomata, K. Tokoro, T. Imai, P. Pansila, M. Miura, B. Ahmmad, S.
Kubota, K. Hirahara, F. Hirose, “Room-temperature atomic layer deposition
of ZrO2 using tetrakis(ethylmethylamino)zirconium and plasma-excited humidified
argon”, Applied Surface Science, vol. 387, pp. 497-502 (2016).
35. B. Ahmmad, K. Kanomata, K. Koike, S. Kubota, H. Kato, F. Hirose, A. Billah,
M. A. Jalil, M. A. Basith, “Large difference between the magnetic properties
of Ba and Ti co-doped BiFeO3 bulk materials and their corresponding nanoparticles prepared by ultrasonication”,
Journal of Physics D: Applied Physics, vol. 49, pp. 265003 (2016).
34. M. Hasan, M. A. Hakim, M. A. Basith, M. S. Hossain, B. Ahmmad, M. A.
Zubair, A. Hossain, M. F. Islam, “Size dependent magnetic and electrical
properties of Ba-doped nanocrystalline BiFeO3”, AIP Advances, vol. 6, pp. 035314 (2016).
33. B. Ahmmad, M. Islam, A. Billah, M. A. Basith, “Anomalous coercivity enhancement
with temperature and tunable exchange bias in Gd and Ti co-doped BiFeO3 multiferroics", Journal of Physics D: Applied Physics, vol. 49, pp. 095001 (2016).
32. P. Pansila, K. Kanomata, M. Miura, S. Kubota, B. Ahmmad, F. Hirose, “Growth
kinetics of temperature-controlled atomic layer deposition of GaN using
trimethyl gallium and remote-plasma-excited NH3”, Applied Surface Science, vol. 357, pp. 1920-1927 (2015).
31. S. Kubota, K. Kanomata, T. Suzuki, B. Ahmmad, F. Hirose, “Optimized design
of moth eye antireflection structure for organic photovoltaics”, Journal of Coatings Technology and Research, vol. 13(1), pp. 201-210 ( 2016).
30. M. A. Basith, F. A. Khan, B. Ahmmad, S. Kubota, F. Hirose, D.-T. Ngo,
Q.-H. Tran, K. Molhave, “Tunable exchange bias effect in magnetic Bi0.9Gd0.1Fe0.9Ti0.1O3 nanoparticles at temperatures up to 250 K”, Journal of Applied Physics, vol. 118, pp. 023901 (2015).
29. M. Muruganandham, R. P. S. Suri, M. S. M. Abdel Wahed, M. Sillanpää,
J. J. Wu, B. Ahmmad, “Synthesis, characterization of gallium oxyhydroxide
(α-GaOOH) self-assembly and its application in removal of perfluorinated
compounds”, Journal of Nanoscience and Nanotechnology , vol. 15, pp. 6524-6532 (2015).
28. P. P. Pansila, K. Kanomata, B. Ahmmad, S. Kubota, F. Hirose, “Room temperature
atomic layer deposition of gallium oxide investigated by IR absorption
spectroscopy”, IEICE Transactions on Electronics, vol. E98-C(5), pp. 382-389 (2015).
27. P. P. Pansila, K. Kanomata, B. Ahmmad, S. Kubota, F. Hirose, “Nitrogen
adsorption of Si(100) surface by plasma excited ammonia”, IEICE Transactions on Electronics, vol. E98-C(5), pp. 395-401 (2015).
26. M. Muruganandham, R. Suri, M. Sillanpää, B. Ahmmad, G.-J. Lee, J. J.
Wu, “Catalytic activity evaluation of mesoporous α-GaOOH microspheres self-assembly”,
Journal of Industrial and Engineering Chemistry, vol. 26, pp. 348-353 (2015).
25. S. Kubota, K. Kanomata, T. Suzuki, B. Ahmmad, F. Hirose “Hybrid antireflection
structure with moth eye and multi-layer coating for organic photovoltaics,”
Journal of Coatings Technology and Research, vol. 12(1), pp. 37-47 (2015).
24. K. Kanomata, H. Ohba, P. Pansila, B. Ahmmad, S. Kubota, K. Hirahara,
F. Hirose, “Infrared study on room-temperature atomic layer deposition
of HfO2 using tetrakis(ethylmethylamino) hafnium and remote plasma excited oxidizing
agents”, Journal of Vacuum Science and Technology A, vol. 33, pp. 01A113 (2015).
23. M. B. Agustin, B. Ahmmad, S. M. M. Alonzo, F. M. Patriana, “Bioplastic
based on starch and cellulose nanocrystals from rice straw”, Journal of Reinforced Plastics and Composites, vol. 33(24), pp. 2205-2213 (2014).
22. M. A. Basith, D.-T. Ngo, A. Quader, M. A. Rahman, B. L. Sinha, B. Ahmmad,
F. Hirose, and K. Mølhave, “Simple top-down preparation of magnetic Bi0.9Gd0.1Fe1-xTixO3 nanoparticles by ultrasonication of multiferroic bulk material”, Nanoscale, vol. 6, pp. 14336-14342 (2014).
21. B. Ahmmad, K. Kanomata, F. Hirose, “Enhanced photocatalytic hydrogen
production on TiO2 by using carbon materials,” International Journal of Chemical, Nuclear, Materials and Metallurgical
Engineering, vol. 8(1), pp. 24-29 (2014).
20. B. Ahmmad, K. Kanomata, F. Hirose, J. Kurawaki, T. Ohkubo, “Biosynthesis
of elliptical hematite microparticles and their photocatalytic performance”,
Rangsit Journal of Arts and Science, vol. 4(1), pp.31-38 (2014).
19. K. Kanomata, P. Pansila, B. Ahmmad, S. Kubota, K. Hirahara, F. Hirose,
“Infrared study on room-temperature atomic layer deposition of TiO2 using tetrakis(dimethylamino)titanium and remote-plasma-excited water
vapor”, Applied Surface Science, vol. 308, pp. 328-332 (2014).
18. T. Ohkubo, M. Ushio, K. Urita, I. Moriguchi, B. Ahmmad, A. Itadani, Y.
Kuroda, “Nanospace-enhanced photoreduction for the synthesis of copper
(I) oxide nanoparticles under visible-light irradiation,” Journal of Colloid and Interface Science, vol. 421, pp. 165-169 (2014).
17. M. A. Basith, O. Kurni, M. S. Alam, B. L. Sinha, B. Ahmmad, “Room temperature
dielectric and magnetic properties of Gd and Ti co-doped BiFeO3 ceramics,” Journal of Applied Physics, vol. 115, pp. 024102 (2014).
16. M. Muruganandham, R. P. S. Suri, M. Sillanpää, J. J. Wu, B. Ahmmad, S.
Balachandran, M. Swaminathan, “Recent developments in heterogeneous catalyzed
based environmental remediation processes”, Journal of Nanoscience and Nanotechnology, vol. 13, pp. 1898-1010 (2013).
15. M. Muruganandham, R. Suri, M. S. M. Abdel Wahed, M. Sillanpää, B. Ahmmad,
G.-J. Lee, J. J. Wu, “Solvothermal synthesis of mesoporous α-GaOOH semi-nanospheres”,
Materials Letters, vol. 111, pp. 137-139 (2013).
14. B. Ahmmad, J. Kurawaki, T. Ohkubo, and F. Hirose, “TiO2/TaON and TiO2/BiOI based solid state solar cells,” Journal of Energy Engineering, vol. 139 (4), pp. 338-342 (2013).
13. M. Muruganandham, M. E. T. Sillanpää, R. P. S. Suri, G.-J. Lee, J. J.
Wu, B. Ahmmad, Y. Kuroda, “Fabrication and photocatalytic properties of
self-assembled In(OH)3 and In2O3 nano/micro-cubes”, Journal of Nanoscience and Nanotechnology, vol. 13, pp. 1639-1648 (2013).
12. M. B. Agustin, B. Ahmmad, E. R. P. De Leon, J. L. Buenaobra, J. R. Salazar,
F. Hirose, “Starch-based biocomposite films reinforced with cellulose nanocrystals
from garlic stalks,” Polymer Composites, vol. 34(8), pp. 1325-1332 (2013).
11. B. Ahmmad, M. Nishi, F. Hirose, T. Ohkubo, Y. Kuroda, “Structure of hydrated
cobalt ions confined in the nanospace of single-walled carbon nanotubes,”
Physical Chemistry Chemical Physics, vol. 15, pp. 8264-8270 (2013).
10. M. Nishi, T. Ohkubo, K. Tsurusaki, A. Itadani, B. Ahmmad, K. Urita, I.
Moriguchi, S. Kittaka, Y. Kuroda, “Highly compressed nanosolution restricted
in cylindrical carbon nanospaces,” Nanoscale, vol. 5, pp. 2080-2088 (2013).
9. K. Sasaki, M. Yoshida, B. Ahmmad, N. Fukumoto, T. Hirajima, “Sorption
of fluoride on partially calcined dolomit,” Colloids and Surfaces A: Physico-chemical and Engineering Aspects, vol. 435 , pp. 56-62 (2012).
8. M. Muruganandham, R. Amutha, M. S. M. A. Wahed, B. Ahmmad, Y. Kuroda,
R. Suri, W. Jerry, M. Sillanpää, "Controlled fabrication of α-GaOOH
and α-Ga2O3 self-assembly and its superior photocatalytic activity", Journal of Physical Chemistry C, vol. 116(1) pp. 44-53 (2011)
7. R. Amutha, S. Akilandeswari, M. Muruganandham, M. Sillanpää, B. Ahmmad,
"Template-free synthesis of self-assembled Co3O4 micro/ nanocrystals", Journal Nanoscience and Nanotechnology, vol. 11(4), pp. 3171-3179(2011)
6. M. Manickavachagam, R. Amutha, B. Ahmmad, R. Evalina, M. Sillanpää, "Self-assembled
fabrication of superparamagnetic highly stable mesoporous amorphous iron
oxides", Journal of Physical Chemistry C, vol. 114(51), pp. 22493-22501(2010).
5. K. Leonard, B. Ahmmad, H. Okamura, J. Kurawai, "In situ green synthesis
of biocompatible ginseng capped gold nanoparticles with remarkable stability",
Colloids and Surfaces B: Biointerfaces, vol. 82(2), pp. 391-396(2010).
4. R. Amutha, S. Akilandeswari, B. Ahmmad, M. Muruganandham, M. Sillanpää,
"Template-free synthesis of α-In2S3 superstructures and their photocatalytic activity", Journal of Nanoscience and Nanotechnology, vol. 10(12), pp. 8438-8447 (2010).
3. B. Ahmmad, J. Kurawaki, K. Leonard, Y. Kusumoto, "Enhanced efficiency
of TaON and BiOI-based solar cells by Au nanoparticles", Journal of Scientific Research, vol. 2(3), pp. 413-417(2010).
2. B. Ahmmad, J. Kurawaki, K. Leonard, Y. Kusumoto, "Biosynthesis of
silver and gold nanoparticles: effect of microwave irradiation", Journal of Scientific Research, vol. 2(3), pp. 495-500(2010).
1. M. A. Mamun, Y. Kusumoto, B. Ahmmad, M. S. Islam, "Photocatalytic
cancer (HeLa) cell-killing enhanced with Cu–TiO2 nanocomposite, Topics in Calalysis., vol. 53(7), pp. 571-577 (2010).
2000-2009
17. B. Ahmmad, Y. Kusumoto, M. S. Islam, "One-step and large scale synthesis
of non-metal doped TiO2 submicrospheres and their photocatalytic activity", Advanced Powder Technology, vol. 21(23), pp. 292-297 (2009).
16. S. Somekawa, Y. Kusumoto, M. A. Mamun, B. Ahmmad, "Fabrication,
N-doping mechanism and evaluation of N-doped TiO2 thin films based on laser ablation method", Journal of Scientific Research, vol. 2(1), pp. 17-23(2009).
15. B. Ahmmad, Y. Kusumoto, M. A. Mamun, Y. Kitamura, "A new type of
solid state solar cell based on Fe2O3, SiC and crystal growth inhibitors", Journal of Scientific Research, vol. 2(1), pp. 1-8 (2009).
14. M. Muruganandham, Y. Kusumoto, C. Okamoto, A. Muruganandham, M. A. Mamun,
B. Ahmmad, "Mineralizer-assisted shape controlled synthesis, characterization,
and photocatalytic evaluation of CdS microcrystals", Journal of Physical Chemistry C, vol. 113(45)
pp. 19506-19517(2009).
13. B. Ahmmad, Y. Kusumoto, M.A. Mamun, A.Mihata, H.Yang,"Effect of
single walled carbon nanotube as counter electrode on laser-deposited Fe2O3 and TiO2 films solar cells", Journal of Scientific Research,vol. 1(3), pp. 430-437 (2009).
12. M. A. Mamun, Y. Kusumoto, A. Mihata, M. S. Islam, B. Ahmmad,"Plasmon-induced
photothermal cell-killing effect of gold colloidal nanoparticles on epithelial
carcinoma cells", Photochemical and Photobiological Sciences, vol. 8, pp. 1125-1129 (2009).
11. M. A. Mamun, H. Yang, B. Ahmmad, Y. Kusumoto, "Enhancement of photo
catalytic cancer cell-killing activity by using Ag@TiO2 core-shell composite nanoclusters", NSTI-Nanotech, vol. 2, pp. 11-14 (2009).
10. B. Ahmmad, Y. Kusumoto, S. Somekawa, M. Ikeda,"Carbon nanotubes
synergistically enhance photo catalytic activity of TiO2", Catalysis Communications, vol. 9(6), pp. 1410-1413 (2008).
9. S. Somekawa, Y. Kusumoto, M. Ikeda, B. Ahmmad, Y. Horie, "Fabrication
of N-doped TiO2 thin films by laser ablation method: Mechanism of N-doping and evaluation
of the thin films", Catalysis Communications, vol. 9(3), pp. 437-440(2007).
8. B. Ahmmad, Y. Kusumoto, M. Ikeda, S. Somekawa, Y. Horie,"Photocatalytic
hydrogen production from diacids and their decomposition over mixtures
of TiO2 and single walled carbon nanotubes", Journal of Advanced Oxidation Technologies, vol. 10(2), pp. 415-420(2007).
7. P. Ngweniform, Y. Kusumoto, M. Ikeda, S. Somekawa, B. Ahmmad, J. Kurawaki,
K. Hayakawa, "Photophysical and photochemical studies of chlorophyll
ɑ and cobalt(II)tetraphenylporphyrin in Poly(L-glutamate)-decyl ammonium
ion complex", Journal of Photochemisty and Photobiology B: Biology, vol. 87(3), pp. 154-162 (2007).
6. M. Ikeda, Y. Kusumoto, Y. Yakushijin, S. Somekawa, P. Ngweniform, B.
Ahmmad, "Hybridized synergy effect among TiO2, Pt and graphite silica on photocatalytic hydrogen production from water-methanol
solution", Catalysis Communications, vol. 8(12), pp. 1943-1946 (2007).
5. P.Ngweniform, Y. Kusumoto, M. Ikeda, S. Somekawa, B. Ahmmad, "Conformation-dependent
photoinduced hydrogen evolution with Co(II)tetra phenylporphyrin–poly(l-glutamate)
complex", Journal of Photochemistry and Photobiology A: Chemistry, vol. 189(2-3), pp. 198-204 (2007).
4. P. Ngweniform, Y. Kusumoto, T. Teshima, M. Ikeda, S. Somekawa, B.Ahmmad,
"Visible-light induced hydrogen production using a polypeptide -chlorophyll
complex with α-helix conformation", Photochemical and Photobiological Sciences, vol. 6 (2), pp. 165-170(2006).
3. P. Ngweniform, Y. Kusumoto, M. Ikeda, S. Somekawa, B. Ahmmad, "Conformation-dependent
hydrogen evolution with cobalt(II)tetra phenylporphyrin solubilized into
poly(L-glutamate)-decyl ammonium ion complex", Chemical Physics Letters, vol. 428(4-6), pp. 436-439 (2006).
2. M. Ikeda, Y. Kusumoto, S. Somekawa, P. Ngweniform, B. Ahmmad, "Effect
of graphite silica on TiO2 photocatalysis in hydrogen production from water-methanol solution",
Journal of Photochemistry and Photobiology A: Chemistry, vol. 184(3), pp. 306-312 (2006).
1. S. S. Alam, M. N. Islam, B. Ahmmad, "Proton-ligand and metal-ligand
formation constant of salicylic acid with some biologically important metal
ions", Journal of Bangladesh Academy of Science, vol. 27(2), pp. 107-115 (2003).
Proceedings
10. B. Ahmmad, M. A. Basith, K. Koike, S. Kubota, F. Hirose, “Synthesis of
metal doped BiFeO3 nanoparticles and their dielectric and magnetic properties”, The 3rd International
Conference on Nano and Materials Science, Proc. in Advanced Materials Research,
vol. 1101, pp. 187-191(2015).
9. B. Ahmmad, S. Hayasaka, K. Kanomata, S. Kubota, F. Hirose, “Fabrication
and characterization of self-aligned ZnO and TiO2 nanostructured films", The 4th International Conference on Informatics,
Electronics & Vision (ICIEV2014), Proc. in IEEE digital library, pp.
1-5 (2014).
8. B. Ahmmad, K. Kanomata, F. Hirose, “Controlled morphologies of nanostructured
ZnO films by MOCVD method", The 4th International Conference on Nanotechnology
and Biosensors, Proc. in Applied Mechanics and Materials, vol. 492, pp.
311-315 (2014).
7. M. B. Agustin, E. R. P. De Leon, J. L. Buenaobra, S. M. M. Alonzo, F.
M. Patriana, F. Hirose, B. Ahmmad, "Starch based bioplastics reinforced
with cellulose nanocrystals from agricultural residues”, Proc. in the International
Conference on Advances in Engineering and Technology (ICAET2014), pp. 608-612
( 2014).
6. B. Ahmmad, J. Kurawaki, T. Ohkubo, Y. Kuroda, "Green tea mediated
biosynthesis of α-Fe2O3 nano-/micro- particles and their characterization, World Journal of Engineering,
vol. 8, pp.19-20 (2011).
5. B. Ahmmad, Y. Kitamura, Y. Kusumoto, M. A. Mamun, Fe2O3 and SiC based solid state solar cell: effect of crystal growth inhibitor”,
Proc. In The 6th International Symposium on Transparent Oxide Thin Films
for Electronics and Optics (TOEO-6), pp. 201-204, (2009).
4. B. Ahmmad, Y. Kusumoto, M. A. Mamun, “One step synthesis of hallow sphere
C-doped TiO2 submicrostructures”, Proc. In The 6th International Symposium on Transparent
Oxide Thin Films for Electronics and Optics (TOEO-6), pp. 116-119 (2009).
3. B. Ahmmad, Y. Kusumoto, “A new approach to alternative counter electrode
for a novel type of solar cell”, Proc. in ISES Solar World Congress 2007,
(Beijing, China), vol 3, pp. 1352-1356 (2007).
2. B. Ahmmad, Y. Kusumoto, M. Ikeda, P. Ngweniform, “Photoassisted hydrogen
production from water-alcohol mixtures by the use of TiO2 and carbon nanomaterials”, Proc. in Renewable Energy 2006, (Chiba, Japan),
pp. 1255-1258, (2006).
1. B. Ahmmad, Y. Kusumoto, “Drastic effect of carbon nanotube on photo catalytic
activity of titanium dioxide revealed by hydrogen production from water-alcohol
mixtures”, Proc. in International Conference for Energy, Environment and
Disasters-INCEED-2005, pp. 201-1~201-4 (2005).
Presentations
(1) Invited talks
16. B. Ahmmad, "Organic Molecule Embedded Metal SulfidePhotoatalysts
for Highly Efficient Hydrogen Production via Water Splitting” 2023 5th
International Conference on Smart Grid and Green Energy (SGGE2023), Hanoi,
Vietnam (Feb 25, 2023).
15. B. Ahmmad, "Organic Molecule Embedded Photocataysts Metal Sulfides
for Highly Efficient Hydrogen Production via Water Splitting", Positioning
Hydrogen 2022, Melbourne, Australia,(Nov 21, 2022).
14. B.Ahmmad, "Hydrogen production technologies via photocatalytic water
splitting", Yamagata Frefecture Energy Seminar organized by the Yamagata
prefecture energy policy promotion department, Yamagata (online), Japan
(March16,2022).
13. B. Ahmmad, "Direct conversion of solar energy into hydrogen energy",
Industry-Academia Exchange Summer Seminar organized by Yonezawa Electrical
Industry Association, Yonezawa (online), Japan (August 27, 2021).
12. B. Ahmmad, F. Tojo, H. Mai, "Biomolecule impregnated nano-photocatalysts
for hydrogen production", Joint Meeting of the Tohoku Area Chemistry
Societies/Symposium for Young Researchers, Yamagata, Japan (September 21,
2019).
11. B. Ahmmad, "Hydrogen production by using artificial photosynthesis
system", Inorganic Chemistry Seminar, Organized by Department of Chemistry,
Okayama University, Okayama, Japan (March 4, 2018).
10. B. Ahmmad, "Sonication-assisted fabrication of metal doped BiFeO3 nanoparticles and investigation of their magnetic properties", The
3rd International Conference on Advanced Composite Materials (ACM2017),
Organized by Engineering Information Institute, Bangkok, Thailand (January
4, 2017).
9. B. Ahmmad, "Fabrication of 1D or 2D nanostructured TiO2 and ZnO thin films for solar energy devices", 16th Asian Chemical
Congress (16 ACC), Bangladesh Chemical Society, Dhaka, Bangladesh (March
18, 2016).
8. B. Ahmmad, "Sonication assisted preparation of doped bismuth nanoparticles
and their magnetic properties", The 66th Colloid and surface chemistry
forum, Organized by Chemical Society of Japan, Kagoshima University, Korimoto
campus, Japan (September 11, 2015).
7. B. Ahmmad, "Structural changes in N719 dye molecule and improved
performances of dye sensitized solar cells", The 5th Conference on
New Energy and Sustainable Development (NESD2015) organized by Engineering
Information Institute, Shanghai, China (July 20, 2015).
6. B. Ahmmad, "Synthesis of Ba/Gd and Ti co-doped BiFeO3 nanoparticles and their dielectric and magnetic properties", World
Congress and Expo on Nanotechnology and Material Science, Organized by
Scientific Future Group, Dubai, UAE (April 14, 2015).
5. B. Ahmmad, "Facile synthesis of smart nanomaterials and their characterization",
1st Annual World Congress of Smart Materials”, Organized by Busan, Organized
by BIT congress Inc., Korea (March 24, 2015).
4. B. Ahmmad, "Synthesis of metal doped BiFeO3 nanoparticles and their dielectric and magnetic properties", 3rd
International Conference on Nano and Materials Science,Organized by South
Asia Institute of Science and Engineering, Zhuhai, China (January 25, 2015).
3. B. Ahmmad, "Dielectric and magnetic properties of metals doped BiFeO3 nanoparticles", 4th Internationals Confernence on Nanotek and Expo,
Organized by Omics Group, San Francisco, USA (December 2, 2014).
2. B. Ahmmad, "Nano- / micro-structure photocatalysts for solar energy
conversion", Collaborative Conference on 3D and Materials Research
(CC3DMR2013), Organized by OAHOST, Jeju, Korea (June 24, 2013).
1. B. Ahmmad, "Nanostructured materials for advanced energy conversion
and storage devices", International Research Conference, Organized
by Central Luzon State University, Nueva Ecija, Philippines (February 17,
2012).
(2) International conference presentations
21. B. Ahmmad, Y. Shizuya, A. Billah, F. Hirose, "Biomolecule decorated
photocatalysts of metal sulfides for highly efficient hydrogen production
via water splitting", World Renewable Energy congress XXI 2022, Perth,
Australia (December 2022). online.
20. A. Billah, Y. Matsuno, K. Koike, F. Hirose, and B. Ahmmad, Anomalous Behavior
of Coercivity with Temperature of La Doped BiFeO3 , 24th International Colloquium on Magnetic Films and Surfaces (ICMFS-2022),
July 10-15, OIST, Okinawa, Japan.
19. A. Billah, S. Kubota, F. Hirose, B. Ahmmad, “Efficient H2 Production by CdS Nanocomposite”, 2021 The 4th International Symposium
on Hydrogen Energy and Energy Technologies (HEET2021), Osaka, Japan (November
2021).
18. F. Tojo, S. Kubota, F. Hirose, B. Ahmmad, “Biomolecule Decorated Nanoparticles
of CdS Photocatalyst for Highly Efficient Hydrogen Production via Water
Splitting", The 7th International Conference on Smart Systems Eingineering
2019, Yamagata, Japan (October, 2019).
17. N. Kubotaa, M. K. Alamb, F. A. Khanb, S. Kubotaa, F. Hirosea, B. Ahmmad,
"Multiferroic Properties of Gd and Pr Co-Doped BiFeO3 Ceramics", The 7th International Conference on Smart Systems Eingineering
2019, Yamagata, Japan (October, 2019).
16. H. Mai, F. Tojo, S. Kubota, F. Hirose, B. Ahmmad, "Histidine Decorated
CdS@TiO2 Core-Shell Nanocomposites Photocatalyst for Hydrogen Production via Water
Splitting", The 7th International Conference on Smart Systems Eingineering
2019, Yamagata, Japan ( October, 2019).
15. B. Ahmmad, F. Tojo, S. Kubota, F. Hirose, "Histidine decorated nanoparticles
of cadmium sulfide for highly efficient hydrogen production via water splitting",
7th International Conference on Semiconductor Photochemistry, Milano, Italy
(September 2019).
14. B. Ahmmad, K. Kanomata, S. Kubota, F. Hirose, “Effect of graphite silica
or carbon nanotube on the photocatalytic hydrogen production over TiO2”, The 1st International Symposium on Hydrogen Energy and Energy Technology
(HEET2018), Nagoya, Japan (October 2018).
13. B. Ahmmad, K. Kanomata, S. Kubota, F. Hirose, “Fabrication of self-aligned
1D or 2D nanostructured ZnO and TiO2 films and their characterization”, 1st Annual World Congress of Smart
Materials”, Busan, Korea (March 2015).
12. B. Ahmmad, S. Hayasaka, K. Kanomata, S. Kubota, F. Hirose, “Fabrication
and characterization of self-aligned ZnO and TiO2 nanostructured films”, 3rd International Conference on Informatics, Electronics
& Vision, Dhaka, Bangladesh (May 2014).
11. B. Ahmmad, M. Agustin, and F. Hirose, “Starch based biocomposite films
reinforced with cellulose nanocrystals from garlic stalk and rice straw”,
247th Americal Chemical Society National Meeting & Exposition, TX,
USA (March 2014).
10. B. Ahmmad, “Nano structured photocatalyst for hydrogen production from
water”, International Workshop on Energy Devices and Nanotechnology”, Yamagata,
Japan (March 2014).
9. B. Ahmmad, K. Kanomata, F. Hirose, “Enhanced photo catalytic hydrogen
production on TiO2 by using carbon materials”, International Conference on Electrical, Electronics
and Power Engineering, London, UK (January 2014).
8. B. Ahmmad, M. Nishi, F. Hirose, T. Ohkubo, Y. Kuroda, “Hydrated structure
of cobalt ion confined in the nanospace of carbon nanotube,” Pure and Applied
Chemistry International Conference, Choburi, Thailand (January 2013).
7. B. Ahmmad, J. Kurawaki, T. Ohkubo, Y. Kuroda, "Green tea mediated
biosynthesis of α-Fe2O3 nano-/micro-particles and their characterizaion”, The 19th International
Conference of Nanocomposite Engineering, Shanghai, China (July 2011).
6. B. Ahmmad, Y. Kusumoto, M. A. Mamun, "One step synthesis of hallow
sphere C-doped TiO2 submicrostructures”, The 6th International Symposium on Transparent Oxide
Thin Films for Electronics and Optics (TOEO-6), Tokyo, Japan (April 2009).
5. B. Ahmmad, Y. Kitamura, Y. Kusumoto, M. A. Mamun, "Fe2O3 and SiC based solid state solar cell: effect of crystal growth inhibitor",
The 6th International Symposium on Transparent Oxide Thin Films for Electronics
and Optics (TOEO-6), Tokyo, Japan (April 2009).
4. B. Ahmmad, H. Yang, M. A. Mamun, Y. Kusumoto, "Tandem cell for photo
catalytic hydrogen production: material design", Korea-Japan Symposium
on Frontier Photoscience, (KJFP-2008) Jeju, Korea (September 2008).
3. B. Ahmmad, Y. Kusumoto, "A new approach to alternative counter electrode
for a novel type of solar cell", ISES Solar World Congress 2007, Beijing,
China (September 2007).
2. B. Ahmmad, Y. Kusumoto, M. Ikeda, S. Somekawa, Y. Horie, "Photocatalytic
hydrogen production from diacids and their decomposition over mixtures
of TiO2 and single walled carbon nanotubes", The 11th International Conference
on TiO2 Photocatasysis: Fundamentals & Applications, Pennsylvania, USA (September
2006).
1. B. Ahmmad, Y. Kusumoto, M. Ikeda, P. Ngweniform, "Photoassisted
hydrogen production from water-alcohol mixtures by the use of TiO2 and carbon nanomaterials”, Renewable Energy 2006, Chiba, Japan (September
2006).
Research Grants
21.Grants-in-Aid for Scientific Research (KAKENHI No. 23H00098) by the Japan
Society for the Promotion of Science,"Mechanistic study of superlattice
growth by radical excitation based room temperature atomic layer deposition",
April 2023~ March 2027, Amount 2000 thousand JPY (USD ~15000), Co-investigator.
20. YU-COE (C) grant by Yamagata University, Japan, "Advanced laser technology:
processing and applicataion", April 2021~ March 2022, Amount 400 thousand
JPY (USD~4000), Co-investigator
19. Research grant (Basic Research) from the TEPCO Memorial Foundation, "Mechanistic
Studies of hydrogen production over biomolecules decorated CdS nanoparticles",
April 2021~March 2023, Amount 1000 thousandJPY(~10000 USD), Principal investigator.
18. Grants-in-Aid for Scientific Research (KAKENHI No. 20K05678) by the Japan
Society for the Promotion of Science, "Mechanistic Studies of hydrogen
production over biomolecules decorated CdS nanoparticles", April 2020~
March 2023, Amount 4290 thousand JPY (USD ~42900), Principal investigator.
17. The 51st Kurata research grant from The Hitachi Global Foundation, "Biomolecules/CdS
nanocomposites for hydrogen production", April 2020~March 2022, Amount:
1000 thousand JPY (USD ~10000), Principal investigator .
16. Grant for new application development of glycerin, Japan Soap and Detergent
Association, "Synthesis of CdS nanocomposites by using glycerin",
April 2020~March 2021, Amount: 500 thousand JPY (USD ~5000), Principal
investigator.
15. YBSC commercialization support from "Yamagata University business
smart center for organic materials, "Biomolecules/CdS nanocomposites
for hydrogen production", October 2019~March 2020, Amount: 500 thousand
JPY (USD ~5000), Principal investigator.
14.Travel grant from The Yonezawa Industrial Association, "Histidine
decorated nanoparticles of cadmium sulfide for highly efficient hydrogen
production via water splitting", September 2019, Amount: 100 thousand
JPY (USD ~1000), Principal investigator.
13. Priority Collaborative Research grant by Environmental Radioactivity
Research Network Center, Japan, "Removal of metal ion pollutants from
waste water by using metal oxide", April 2019~ till date, Amount 170
thousand JPY per year (USD~1700 per year), Principal investigator.
12. YU-COE grant by Yamagata University, Japan, "Advanced laser technology:
processing and applicataion", January 2019~ March 2021, Amount 500
thousand JPY (USD~5000), Co-investigator.
11. Grants-in-Aid for Scientific Research (KAKENHI No. 17K06011) by the Japan
Society for the Promotion of Science, "Bio-assisted nanophotocatalysis
for solar-hydrogen", April 2017~ March 2020, Amount 4800 thousand
JPY (USD ~48000), Principal investigator.
10. Research grant from The Foundation for Japanese Chemical Researh, "Quantum
dots sensitized TiO2 nanotube film for solar- hydrogen via water splitting", June 2016~May2017,
Amount: 600 thousan JPY(USD ~6000), Principal investigator.
9. Research grant from The Iwatani Naoji Foundation's Research Grant, Quantum
dots sensitized TiO2 nanotube film for solar hydrogen via water splitting," June 2015~May
2016, Amount: 2000 thousand JPY (USD ~20000) Principal investigator.
8. Grants-in-Aid for Scientific Research (KAKENHI No. 26810117) by the Japan
Society for the Promotion of Science, "Mechanism of photocatalytic
hydrogen production over graphite silica/TiO2 and artificial synthesis of graphite silica", April 2014~March 2016",
Amount: 4030 thousand JPY (USD ~40300), principal investigator.
7. Research grant from Nohmura Foundation for Membrane Structures Technology,
"Quantum dots sensitized TiO2 nanotube film for clean environment", April 2014~March 2015, Amount:
1000 thousand JPY (USD ~10,000), Principal investigator.
6. Research grant from Iketani Science and Technology Foundation , "Mechanism
of photocatalytic hydrogen production over graphite silica/TiO2 and artificial synthesis of graphite silica", April 2014~March 2016,
Amount: 1000 thousand JPY (USD ~10000), Principal investigator.
5. Research grant from The Foundation of Electrotechnology of Chubu, "Quantum
dots sensitized TiO2 nanotube film for organic-inorganic heterojunction solar cell", April
2014~March 2015, Amount: 1500 thousand JPY (USD ~15000), Principal investigator.
4. Travel grant from the Sasakawa Scientific Research Foundation, January
2013, Amount: 120 thousand JY (USD ~1200).
3. Research grant from Sasakawa Scientific Research Foundation, " Structure
of hydrated metal ion confined in the nanopore of carbon nanotube and their
application in energy devices", April 2011~March 2012, Amount: 700
thousand JPY (USD ~7000), Principal investigator.
2. Travel grant from The Institute of Molecular Science, "Study of
magnetic properties of metal doped BiFeO3 nanoparticles", April 2014~till date, Amount: 150 thousand JPY per
year (USD ~1500 per year), Principal investigator.
1. Grants-in-Aid for Scientific Research (KAKENHI No. 20-08081) by the Japan
Society for the Promotion of Science, "Synthesis of visible light
active nanophotocatalysts and their application in solar cell and solar-hydrogen",
April 2008~March 2010, Amount 1600 thousand JPY, (USD ~16000), Co-investigator.
Awards & Scholarhips
9. Finalist award at 'NEDO Technology Commercialization Program 2020', Title:
Photocatalytic hydrogen production from water, Organization: NEDO-Japan,
Awardee: Arima group, Date: 9th March 2021.
8. NEDO award at 'Yamagata University (internal) business plan contest'.
Title: Hydrogen production via water splitting, Organization: NEDO-Japan.
Awardee: Arima group, Date: 4th November 2020.
7. Research promotion reward, Rewardee : B. Ahmmad, Title: Bio-assisted
nanophotocatalysis for solar-hydrogen, Organization: Yamagata University,
Date: 25th March 2018.
6. Best poster award (International Conference on Physics), presenter: Md.
Abdul Jalil, Title：Multiferroic Properties of Ba and Ti co-doped BiFeO3 nanoparticles. Organization: Bangladesh Physical Society, Date: 11th March
2016.
5. Research promotion reward, Rewardee : B. Ahmmad, Title: Mechanism of
photocatalytic hydrogen production over graphite silica/ TiO2 and artificial synthesis of graphite silica, Organization: Yamagata University,
Date:27th March 2015.
4. Best poster award (3rd International Conference on Informatics, Electronics
& Vision), presenter: B. Ahmmad, Title:
"Fabrication and characterization of self-aligned ZnO and TiO2 nanostructured films", Organization: Center for Natural Science &
Engineering Research, Date: 24th May 2014.
3. Merit Award (247th ACS National Meeting and Exposition), presenter: B.
Ahmmad, Title: Starch based biocomposite films reinforced with cellulose
nanocrystals from garlic stalk and rice straw, Organization: The American
Chemical Society, Date: 20th March 2014.
2. JSPS postdoctoral fellowship, Awardee: B. Ahmmad, Organization: Japanese
Society for the Promotion of Science, Japan, Date: 1st April, 2008.
1. Japanese Government (Monbukagakusho) Scholarship, Awardee: B. Ahmmad,
Organization: MEXT Japan, Date:1st April 2007.