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Catalysts 2016, 6(12), 210; doi:10.3390/catal6120210

Catalysis-Based Cataluminescent and Conductometric Gas Sensors: Sensing Nanomaterials, Mechanism, Applications and Perspectives

1
Nanomaterials and Environmental Detection Laboratory, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, Anhui, China
2
College of Chemistry and Material Engineering, Chaohu University, Chaohu 238000, Anhui, China
3
Department of Chemistry, University of Science and Technology of China, Hefei 230026, Anhui, China
4
Frederick Seitz Materials Research Laboratory, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Keith Hohn
Received: 31 October 2016 / Revised: 9 December 2016 / Accepted: 13 December 2016 / Published: 17 December 2016
View Full-Text   |   Download PDF [5882 KB, uploaded 17 December 2016]   |  

Abstract

Gas environment detection has become more urgent and significant, for both industrial manufacturing and environment monitoring. Gas sensors based on a catalytically-sensing mechanism are one of the most important types of devices for gas detection, and have been of great interest during the past decades. However, even though many efforts have contributed to this area, some great challenges still remain, such as the development of sensitively and selectively sensing catalysts. In this review, two representative catalysis-based gas sensors, cataluminescent and conductometric sensors, the basis of optical and electric signal acquisition, respectively, are summarized comprehensively. The current challenges have been presented. Recent research progress on the working mechanism, sensing nanomaterials, and applications reported by our group and some other researchers have been discussed systematically. The future trends and prospects of the catalysis-based gas sensors have also been presented. View Full-Text
Keywords: catalysis; gas sensor; cataluminescence; conductometric measurement; nanomaterials; sensitivity catalysis; gas sensor; cataluminescence; conductometric measurement; nanomaterials; sensitivity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Liu, J.; Han, T.; Sun, B.; Kong, L.; Jin, Z.; Huang, X.; Liu, J.; Meng, F. Catalysis-Based Cataluminescent and Conductometric Gas Sensors: Sensing Nanomaterials, Mechanism, Applications and Perspectives. Catalysts 2016, 6, 210.

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