The influence of pH on the structure of adenine monolayers adsorbed at Au(110)/electrolyte interfaces

被引：5

作者：

Bowfield, A. ^{[1
]}

Smith, C. I. ^{[1
]}

Mansley, C. P. ^{[1
]}

Weightman, P. ^{[1
]}

机构：

[1] Univ Liverpool, Oliver Lodge Lab, Dept Phys, Liverpool L69 7ZE, Merseyside, England

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2010年 / 247卷 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

adsorbates; bioelectrochemistry; reflection anisotropy spectroscopy; surfaces and interfaces; REFLECTION ANISOTROPY SPECTROSCOPY; SILICON SURFACES; DNA; ADSORPTION; ELECTRODE; LAYERS; FILMS;

D O I：

10.1002/pssb.200983929

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The pH of the solution is shown to significantly effect the reflection anisotropy spectroscopy (RAS) profiles of adenine adsorbed at Au(110)/electrolyte interfaces. At pH 12.8 the net adsorption is very weak due the formation of negative adenine ions in solution. The sensitivity of the RAS profiles to the pH of the solution is probably due to a change in the geometry of the adsorbed molecules caused by a disruption of the base stacking configuration that is adopted when adenine is adsorbed from I solutions at pH 7.1 (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：1937 / 1940

页数：4

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