N2H4 gas detection using Langmuir-Blodgett films of a dithiolene complex on chemiresistor sensors

De-Quan Yang; Run-fu Wang; Shu-ping Xie; Yun Guo; Yan Sun; Chui-zhen Fan; Dao-an Da; Hai-jun Wang; Hu-lin Li

doi:10.1117/12.300642

20 February 1998 N2H4 gas detection using Langmuir-Blodgett films of a dithiolene complex on chemiresistor sensors

De-Quan Yang, Run-fu Wang, Shu-ping Xie, Yun Guo, Yan Sun, Chui-zhen Fan, Dao-an Da, Hai-jun Wang, Hu-lin Li

Proceedings Volume 3175, Third International Conference on Thin Film Physics and Applications; (1998) https://doi.org/10.1117/12.300642
Event: Third International Conference on Thin Film Physics and Applications, 1997, Shanghai, China

Abstract

A device based on a mono or multilayers films of a nickel dithiolene-stearyl alcohol complex built with the Langmuir- Blodgett (LB) technique has been investigated as a N₂H₄ gas detector. The films deposited on an aluminum electrode and the changes in the electrical properties of the film when exposed to the N₂H₄ gas were tested. It was found that there still a well response when the device exposed 0.5 ppm N₂H₄ gas at the room temperature, and the changes of electrical conductive of the film is roughly linear with N₂H₄ gas concentration in the lower concentration. The experimental results indicated the response time and recovery time of the sensor are less than 30 seconds.

Citation Download Citation

De-Quan Yang, Run-fu Wang, Shu-ping Xie, Yun Guo, Yan Sun, Chui-zhen Fan, Dao-an Da, Hai-jun Wang, and Hu-lin Li "N2H4 gas detection using Langmuir-Blodgett films of a dithiolene complex on chemiresistor sensors", Proc. SPIE 3175, Third International Conference on Thin Film Physics and Applications, (20 February 1998); https://doi.org/10.1117/12.300642

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