@article { ISI:000264437500025,
	title = {Photocatalytic mineralization of benzene over gold containing titania nanotubes: role of adsorbed water and nanosize gold crystallites},
	journal = {Catalysis Today},
	volume = {141},
	number = {1-2},
	year = {2009},
	note = {18th National Symposium and Indo-US Seminar on Catalysis, Indian Inst Petroleum, Dehradun, INDIA, APR 16-18, 2007},
	month = {MAR},
	pages = {144-151},
	publisher = {Catalysis Soc India; Petrotech Soc; Indo US Sci \& Technol Forum},
	address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS},
	abstract = {<p>Well aligned titania nanotubes, with surface area of similar to 150 m(2) g(-1) and average pore diameter of similar to 5 nm, have been synthesized by subjecting a mesoporous TiO(2) sample to alkaline treatment followed by calcination at different temperatures. Composite catalysts with gold particles dispersed in these nanotubes were also synthesized and their structural, morphological, optical and photocatalytic properties were examined. The catalytic activity of TiO(2) for UV-mediated photo-oxidation of benzene was found to be affected by several factors, such as the sample texture. presence of adsorbed water and gold crystallites. The overall conversion of benzene to form CO(2) followed a trend: Au/nanotube \&gt; TiO(2) nanotubes \&gt; mesoporous TiO(2). In situ IR spectroscopy revealed that the adsorption and reaction of benzene molecules gave rise to formation of certain phenolic species over TiO(2), while the temperature-programmed desorption (TPD) study showed that the Au/TiO(2) interfaces serve as distinct sites for the adsorption and activation of oxygen molecules. It is suggested that certain hydroxyl and oxygen ion radicals produced under UV-irradiation may promote the deep oxidation of surface phenolic species and phenoxyl (ArO center dot) type transient radicals. (c) 2008 Elsevier B.V. All rights reserved.</p>},
	keywords = {Benzene degradation, Gold containing, Photocatalyst, Role of adsorbed water, TiO(2) nanotubes, Transient species},
	issn = {0920-5861},
	doi = {10.1016/j.cattod.2008.04.008},
	author = {Awate, S. V. and Sahu, R. K. and Kadgaonkar, Mahesh D. and Kumar, R. and Gupta, N. M.}
}
@article { ISI:000301990100016,
	title = {Factors affecting the production of H-2 by water splitting over a novel visible-light-driven photocatalyst GaFeO3},
	journal = {International Journal of Hydrogen Energy},
	volume = {37},
	number = {6},
	year = {2012},
	month = {MAR},
	pages = {4897-4907},
	publisher = {PERGAMON-ELSEVIER SCIENCE LTD},
	address = {THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND},
	abstract = {<p>A d(10) photocatalyst, GaFeO3 having a band gap of similar to 2.7 eV, exhibits significant activity for the overall splitting of water under visible light (\&gt;395 nm) irradiation, in the absence of sacrificial reagent or a noble metal co-catalyst. The doping of an anion led to considerable enhancement in activity, the S-doped catalysts displaying better activity compared to the samples containing nitrogen. Even though the H-2/O-2 yields were affected by preparation-dependent grain morphology, no direct relationship was observed between the photoactivity of a sample and its specific surface area. The techniques of HRTEM, SEM, XPS, Laser Raman, UV-visible and photoluminescence spectroscopy have enabled to demonstrate that, besides the grain morphology, certain lattice imperfections and microstructure may also play a crucial role in water splitting activity of a photocatalyst. The factors responsible for catalyst deactivation are examined. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.</p>},
	keywords = {GaFeO3, hydrogen production, Microstructure, Photocatalyst, water splitting},
	issn = {0360-3199},
	doi = {10.1016/j.ijhydene.2011.12.068},
	author = {Dhanasekaran, P. and Gupta, N. M.}
}
