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Lee, Jae Sung
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Photocatalytic water splitting over iron oxide nanoparticles intercalated in HTiNb(Ta)O-5 layered compounds

Alternative Title
Photocatalytic water splitting over iron oxide nanoparticles intercalated in HTiNb(Ta)O-5 layered compounds
Author(s)
Jang, Jum SukKim, Hyun GyuReddy, Vangala R.Bae, Sang WonJi, Sang MinLee, Jae Sung
Issued Date
2005-04
DOI
10.1016/j.jcat.2005.01.026
URI
https://scholarworks.unist.ac.kr/handle/201301/13152
Fulltext
http://www.sciencedirect.com/science/article/pii/S0021951705000370
Citation
JOURNAL OF CATALYSIS, v.231, no.1, pp.213 - 222
Abstract
Nanosized iron oxide particles were intercalated into the interlayer of layered compounds HTiNb(Ta)O-5 by a successive ion-exchange reaction. The electronic and local coordination structures of iron oxide in the interlayer space of these proton-containing compounds were investigated by X-ray absorption near edge structure (XANES) and X-ray photoelectron spectroscopy (XPS). The intercalated nanosized iron oxide was Fe2O3, which exhibited a high electron deficiency. Unlike in a previous report, Fe2O3-intercalated layered compounds did not produce hydrogen from an aqueous methanol solution in a photocatalytic manner under visible light. Instead, the material produced a stoichiometric mixture of hydrogen and oxygen photocatalytically under UV irradiation and produced oxygen from an aqueous AgNO3 solution photocatalytically under visible light. (c) 2005 Elsevier Inc. All rights reserved
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
ISSN
0021-9517
Keyword (Author)
layered compoundsiron oxide nanoparticlesH-2 evolutionphotocatalysts
Keyword
VISIBLE-LIGHT IRRADIATIONHYDROGEN EVOLUTIONNANOCOMPOSITESH-2

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