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Title: Visible light photocatalytic water splitting for hydrogen production from N-TiO 2 rice grain shaped electrospun nanostructures
Authors: Babu, V.J. 
Kumar, M.K.
Nair, A.S. 
Kheng, T.L.
Allakhverdiev, S.I.
Ramakrishna, S. 
Keywords: Electrospinning
H 2 production
Hybrid nanostructures
Issue Date: May-2012
Citation: Babu, V.J., Kumar, M.K., Nair, A.S., Kheng, T.L., Allakhverdiev, S.I., Ramakrishna, S. (2012-05). Visible light photocatalytic water splitting for hydrogen production from N-TiO 2 rice grain shaped electrospun nanostructures. International Journal of Hydrogen Energy 37 (10) : 8897-8904. ScholarBank@NUS Repository.
Abstract: We report on the visible light-driven hydrogen production from splitting of water molecules by nitrogen-doped TiO 2 (N-TiO 2) with a rice grain-like nanostructure morphology. The N-TiO 2 nanostructures are prepared using sol-gel and electrospinning methods followed by post-annealing of the composite nanofibers. The nanostructures are characterized by microscopy and spectroscopy. First order rate constants for the visible light-assisted photocatalysis in the degradation of methylene blue (MB) dye are found to be 0.2 × 10 -3 and 1.8 × 10 -3 min -1 for TiO 2 and N-TiO 2 (5 wt% of nitrogen), respectively. The N-TiO 2 utilized in water splitting experiments and evaluated hydrogen (H 2) of 28 and 2 μmol/h for N-TiO 2 and TiO 2, respectively. The improvement may be attributed due to the N-doping and higher surface area as ∼70 m 2/g. © 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
Source Title: International Journal of Hydrogen Energy
ISSN: 03603199
DOI: 10.1016/j.ijhydene.2011.12.015
Appears in Collections:Staff Publications

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