Adsorption of bi-isonicotinic acid on anatase TiO2(101) and (001) studied by photoemission and NEXAFS spectroscopy

被引：28
作者：
Thomas, AG
Flavell, WR
Chatwin, C
Rayner, S
Tsoutsou, D
Kumarasinghe, AR
Brete, D
Johal, TK
Patel, S
Purton, J
机构：
[1] Univ Manchester, Sch Phys & Astron, Manchester M60 1QD, Lancs, England
[2] Free Univ Berlin, Dept Phys, Berlin, Germany
[3] CCLRC, Daresbury Lab, Warrington WA4 4AD, Cheshire, England
来源：
SURFACE SCIENCE | 2005年 / 592卷 / 1-3期
基金：
英国工程与自然科学研究理事会;
关键词：
TiO2; anatase; surface; NEXAFS; synchrotron radiation photoelectron spectroscopy; adsorption; bi-isonicotinic acid;
D O I：
10.1016/j.susc.2005.07.013
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The adsorption of bi-isonicotinic acid (2,2'-bipyridyl-4,4'-dicarboxylic acid) on the surface of anatase TiO2(1 0 1) and (0 0 1) single crystals has been investigated using XPS and NEXAFS. The searchlight effect of NEXAFS has been used to determine the adsorption geometry of BINA on these surfaces. The pyridyl rings in BINA are found to be oriented at 20 degrees +/- 3 degrees from the surface normal on the (10 1) surface and at 53 degrees +/- 5 degrees from the surface normal on the reconstructed (0 0 1) surface. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：159 / 168
页数：10
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