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

页码：304 / 318

页数：15

共 27 条

[1] LOW-ENERGY ELECTRON-DIFFRACTION STUDY OF SURFACE-STRUCTURES OF ADSORBED AMINO-ACID MONOLAYERS AND ORDERED FILMS DEPOSITED ON COPPER CRYSTAL SURFACES [J].