Characterisation of the interaction of glycine with Cu(100) and Cu(111)

被引：67
|
作者：
Efstathiou, V
Woodruff, DP [1 ]
机构：
[1] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
[2] MPG, Fritz Haber Inst, D-14195 Berlin, Germany
来源：
SURFACE SCIENCE | 2003年 / 531卷 / 03期
基金：
英国工程与自然科学研究理事会;
关键词：
infrared absorption spectroscopy; low energy electron diffraction (LEED); chemisorption; copper; biological molecules-proteins; low index single crystal surfaces;
D O I：
10.1016/S0039-6028(03)00541-7
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：
Reflection-absorption infrared spectroscopy (RAIRS) has been used to characterise the interaction of standard and fully deuterated glycine with Cu(1 0 0) and Cu(1 1 1). RAIRS shows clearly that the surface interaction leads to formation of the adsorbed deprotonated glycinate (NH2CH2COO-) species, with some evidence for changes in orientation with coverage previously seen on Cu(1 1 0). Qualitative low energy electron diffraction observations were also conducted to characterise the long-range ordering, although effects of electron-beam-induced radiation damage limited the information obtained. Nevertheless, the results do suggest some subtle isotopic-mass-related structural variations. The results are discussed in the context of previously published scanning tunnelling microscopy and photoelectron diffraction measurements. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：304 / 318
页数：15
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