Room temperature gas sensitivity of ultrathin SnO2 films prepared from Langmuir-Blodgett film precursors

被引：40

作者：

Choudhury, Sipra ^{[1
]}

Betty, C. A. ^{[1
]}

Girija, K. G. ^{[1
]}

Kulshreshtha, S. K. ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Div Chem, Bombay 400085, Maharashtra, India

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 07期

关键词：

D O I：

10.1063/1.2336725

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors report the room temperature gas sensitivity of ultrathin SnO2 films prepared by thermal decomposition of multilayer Langmuir-Blodgett (LB) films. The SnO2 films, which are characterized by various spectroscopic techniques and electrical measurements, have been shown to sense ammonia gas at room temperature with fast response and recovery. The presence of a large number of surface states in the ultrathin SnO2 film is responsible for the room temperature gas sensitivity. Present results demonstrate the potential of LB technique to fabricate high quality ultrathin oxide films useful for sensor applications. (c) 2006 American Institute of Physics.

引用

页数：3

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