Surface science studies of gas sensing materials:: SnO2

被引：187

作者：

Batzill, Matthias ^{[1
]}

机构：

[1] Univ S Florida, Dept Phys, Tampa, FL 33620 USA

来源：

SENSORS | 2006年 / 6卷 / 10期

关键词：

surface science; single crystal; metal oxide surfaces; photoemission; scanning tunneling microscopy;

D O I：

10.3390/s6101345

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This review is an attempt to give an overview on how surface science studies can contribute to a fundamental understanding of metal oxide gas sensors. In here tin dioxide is used as a model system for metal oxide gas sensor materials and we review surface science studies of single crystal SnO2. The composition, structure, electronic and chemical properties of the ( 110) and ( 101) surfaces is described. The influence of compositional changes as a function of the oxygen chemical potential on the electronic surface structure and the chemical properties is emphasized on the example of the ( 101) surface. The surface chemical properties are discussed on the example of water adsorption. It is shown the chemical and gas sensing properties depend strongly on the surface composition.

引用

页码：1345 / 1366

页数：22

共 65 条

[21] OXYGEN VACANCIES AND DEFECT ELECTRONIC STATES ON THE SNO2(110)-1X1 SURFACE [J].