Surface-Mediated Visible-Light Photo-oxidation on Pure TiO2(001)

Title
Surface-Mediated Visible-Light Photo-oxidation on Pure TiO2(001)
Authors
H. ArigaT. TaniikeH. MorikawaM. Tada민병권K. WatanabeY. MatsumotoSusumu IkedaY. Iwasawa
Keywords
photocatalysis; TiO2; visible light; *2009년도 개인평가에 반영되었음(센터장동의완료)
Issue Date
2009-10
Publisher
Journal of the American Chemical Society
Citation
VOL 131, NO 41, 14670-14672
Abstract
In summary, we investigated the photo-oxidation of formic acid on a TiO2(001) surface. Contrary to the conventional knowledge of the photon threshold energy, which is determined by the bulk band gap of photochemical materials, we showed for the first time experimental and theoretical evidence for a surface state (the smaller band gap)-mediated photochemical reaction on TiO2(001) with vis light. The present finding shows the critical importance of the atomic-scale design of the surface of such a material.
URI
http://pubs.kist.re.kr/handle/201004/36120
ISSN
0002-7863
Appears in Collections:
KIST Publication > Article
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