Abstract
The detection of hexanal has attracted much attention because hexanal has an important effect on food quality and human health. In this paper, nano-SnO2 flat-type coplanar hexanal gas sensor arrays at the ppb level were fabricated by a screen-printing technique based on nano-SnO2 powders prepared by a sol-gel method. The test results show that the nano-SnO2 flat-type coplanar gas sensor arrays have good hexanal gas-sensing characteristics such as short response time, low detection limit, high sensitivity. Especially, the gas sensitivity of the nano-SnO2 gas sensor arrays to 50 ppb hexanal reached 9.5 at a working temperature of 200° C. Nanometer-size effects, lattice distortion of nano-SnO2, and the natural properties of hexanal caused the ppb-level hexanal gas-sensing characteristics.
Keywords: Flat-type coplanar gas sensor arrays, gas-sensing property, hexanal, nano-SnO2, ppb level.
Current Nanoscience
Title:Fabrication and Hexanal Gas Sensing Property of Nano-SnO2 Flat-type Coplanar Gas Sensor Arrays at Ppb Level
Volume: 9 Issue: 3
Author(s): Kaijin Huang, Zhenxin Zhang, Fangli Yuan and Changsheng Xie
Affiliation:
Keywords: Flat-type coplanar gas sensor arrays, gas-sensing property, hexanal, nano-SnO2, ppb level.
Abstract: The detection of hexanal has attracted much attention because hexanal has an important effect on food quality and human health. In this paper, nano-SnO2 flat-type coplanar hexanal gas sensor arrays at the ppb level were fabricated by a screen-printing technique based on nano-SnO2 powders prepared by a sol-gel method. The test results show that the nano-SnO2 flat-type coplanar gas sensor arrays have good hexanal gas-sensing characteristics such as short response time, low detection limit, high sensitivity. Especially, the gas sensitivity of the nano-SnO2 gas sensor arrays to 50 ppb hexanal reached 9.5 at a working temperature of 200° C. Nanometer-size effects, lattice distortion of nano-SnO2, and the natural properties of hexanal caused the ppb-level hexanal gas-sensing characteristics.
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Cite this article as:
Huang Kaijin, Zhang Zhenxin, Yuan Fangli and Xie Changsheng, Fabrication and Hexanal Gas Sensing Property of Nano-SnO2 Flat-type Coplanar Gas Sensor Arrays at Ppb Level, Current Nanoscience 2013; 9 (3) . https://dx.doi.org/10.2174/1573413711309030011
DOI https://dx.doi.org/10.2174/1573413711309030011 |
Print ISSN 1573-4137 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6786 |
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