期刊
IEEE ELECTRON DEVICE LETTERS
卷 39, 期 8, 页码 1234-1237出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LED.2018.2847321
关键词
Click chemistry; humidity sensor; in situ preparation; stability
资金
- National Natural Science Foundation of China [61773178]
- Jilin Provincial Science and Technology Development Planning Project [20160520093JH]
- Scientific Research Planning Projects of the Jilin Provincial Education Department [JJKH20180156KJ]
In situ methods to prepare sensitive films can improvematerial film-forming properties, the reproducibility and stability of the resultant films. Mercaptopropyl polyhedral oligomeric silsesquioxane, 1,4-divinylbenzene, and sodium p-styrene sulfonate were in situ crosslinked via thiol-ene click polymerization on an interdigital electrode surface to form humidity-sensitive films. The humidity-sensing properties of the sensors were systematically researched, and the optimal sensor shows a high sensitivity and minimal humidity hysteresis. The reproducibility, water resistance, and stability of the sensors prepared by this method were studied, and the sensing mechanism was investigated by complex impedance spectroscopy, equivalent circuits, and phase diagrams.
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