Carbon monoxide (CO) optical gas sensor based on ZnO thin films

被引：160
|
作者：
Paliwal, Ayushi [1 ]
Sharma, Anjali [1 ]
Tomar, Monika [2 ]
Gupta, Vinay [1 ]
机构：
[1] Univ Delhi, Dept Phys & Astrophys, Delhi 110007, India
[2] Univ Delhi, Dept Phys, Miranda House, Delhi 110007, India
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2017年 / 250卷
关键词：
Optical gas sensor; Plasmons; Surface plasmon resonance; SURFACE-PLASMON RESONANCE; LANGMUIR-BLODGETT-FILMS; NO2; GAS; TEMPERATURE; SPR; PORPHYRIN;
D O I：
10.1016/j.snb.2017.05.064
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Optical gas sensors provide an alternative over the conventional conductometric gas sensors. Carbon monoxide (CO) gas is generally regarded as one of the most dangerous air pollutants, hence, a room temperature operated CO gas sensor using ZnO sensing film deposited on Au coated prisms has been developed using an indigenously developed surface plasmon resonance (SPR) measurement setup. This system is found to be highly sensitive with very fast response towards a wide concentration range (0.5-100 ppm) of CO gas at room temperature and hence pave way for commercial application of an efficient optical CO gas sensor. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：679 / 685
页数：7
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