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Issue 4, 2014
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Synergistic effect of the reducing ability and hydrogen bonds of tested gases: highly orientational CdS dendrite sensors

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Abstract

Semiconductor gas sensors play important roles in detecting toxic gases in various workplaces for human safety. The gas-sensing characteristics of highly orientational CdS dendrite (HOCSD) sensors were investigated. The results showed that the HOCSD sensors exhibited an excellent response and high response speed to HCOOH and N2H4, compared to HCHO and n-BuNH2. The high performance of the HOCSD sensors towards HCOOH and N2H4 detection could be attributed to two factors: the improved diffusion and adsorption/desorption ability of the CdS dendrites, and the synergistic effect of the reduction ability and hydrogen bonds of detected gases. Moreover, it is believed that the HOCSD sensors could be potentially applied to detect the HCOOH and N2H4 with high response, fast response speed and good repeatability.

Graphical abstract: Synergistic effect of the reducing ability and hydrogen bonds of tested gases: highly orientational CdS dendrite sensors

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Publication details

The article was received on 28 Jul 2013, accepted on 25 Sep 2013 and first published on 27 Sep 2013


Article type: Paper
DOI: 10.1039/C3TA12938A
Citation: J. Mater. Chem. A, 2014,2, 1032-1038

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    Synergistic effect of the reducing ability and hydrogen bonds of tested gases: highly orientational CdS dendrite sensors

    W. Guo, J. Ma, G. Pang, C. Wei and W. Zheng, J. Mater. Chem. A, 2014, 2, 1032
    DOI: 10.1039/C3TA12938A

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