01906nas a2200217   4500008004100000022001400041245011800055210006900173260010600242300001400348490000700362520106600369653001101435653002401446653001901470653001801489653002001507100002101527700001801548856012201566       2012                        eng d  a0360-319900aFactors affecting the production of H-2 by water splitting over a novel visible-light-driven photocatalyst GaFeO30 aFactors affecting the production of H2 by water splitting over a  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLANDbPERGAMON-ELSEVIER SCIENCE LTDcMAR  a4897-49070 v373 a<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>10aGaFeO310ahydrogen production10aMicrostructure10aPhotocatalyst10awater splitting1 aDhanasekaran, P.1 aGupta, N., M.  uhttps://library.ncl.res.in/content/factors-affecting-production-h-2-water-splitting-over-novel-visible-light-driven-0