Papers

2019
1. 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).
2. 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).

2018
1. 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, vol. E101-C(5), pp.317-322 (2018).

2017
1. 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)
2. 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).
3. 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).
4. 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).
5. 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).

2016
1. 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).
2. 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).
3. 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).
4. 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).
5. 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).
6. 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).
7. 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).

2015
1. 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).
2. 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).
3. 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).
4. 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).
5. 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).
6. 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).
7. 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).
8. 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).
9. 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).

2014
1. 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).
2. 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).
3. 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).
4. 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).
5. 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).
6. 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).
7. 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).

2013
1. 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).
2. 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).
3. 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).
4. 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).
5. 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).
6. 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).
7. 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).

2012
1. 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).

2011
1. 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)
2. 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)

2010
1. 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).
2. 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).
3. 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).
4. 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).
5. 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).
6. 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).

2009
1. 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).
2. 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).
3. 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).
4. 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).
5. 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).
6. 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).
7. 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).

2008
1. 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).

2007
1. 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).
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", Journal of Advanced Oxidation Technologies, vol. 10(2), pp. 415-420(2007).
3. 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).
4. 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).

2006
1. 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).
2. 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).
3. 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).

Before 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

1. 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).
2. 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).
3. 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).
4. 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).
5. 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).
6. 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).
7. 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).
8. 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).
9. 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).
10. 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).

Presentaions

(1) Invited talks

1. 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).
2. B. Ahmmad, "Hydrogen production by using artificial photosynthesis system", Inorganic Chemistry Seminar, Organized by Department of Chemistry, Okayama University, Okayama, Japan (March 4, 2018).
3. 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).
4. 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).
5. 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).
6. 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).
7. 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).
8. 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).
9. 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).
10. 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).
11. 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).
12. 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

1. 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).
2. 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).
3. 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).
4. 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).
5. 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).
6. 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).
7. 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).
8. 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).
9. B. Ahmmad, “Nano structured photocatalyst for hydrogen production from water”, International Workshop on Energy Devices and Nanotechnology”, Yamagata, Japan (March 2014).
10. 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).
11. 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).
12. 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).
13. 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).
14. 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).
15. 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).
16. 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).
17. 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).
18. 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).

Grants

1. 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.
2. Priority Collaborative Research grant by Environmental Radioactivity Research Network Center, Japan, "Removal of metal ion pollutants from waste water by using porous amorphous Fe2O3", June 2019~ May 2020, Amount 160 thousand JPY (USD~1600), Principal investigator.
3. YU-COE grant by Yamagata University, Japan, "Advanced laser technology: processing and applicataion", January 2019~ March 2020, Amount 300 thousand JPY (USD~3000), Co-investigator.
4. 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.
5. 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.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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.
11. Travel grant from the Sasakawa Scientific Research Foundation, January 2013, Amount: 120 thousand JY (USD ~1200).
12. 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.
13. 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.
14. 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.

Awards & Scholarhips

1. Research promotion reward, Rewardee : B. Ahmmad, Title: Bio-assisted nanophotocatalysis for solar-hydrogen, Organization: Yamagata University, Date: 25th March 2018.
2. 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.
3. 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.
5. 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.
6. JSPS postdoctoral fellowship, Awardee: B. Ahmmad, Organization: Japanese Society for the Promotion of Science, Japan, Date: 1st April, 2008.
7. Japanese Government (Monbukagakusho) Scholarship, Awardee: B. Ahmmad, Organization: MEXT Japan, Date:1st April 2007.