Research progress of conductive polymer gas sensors

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Abstract Gas sensors are electronic components that utilize the gas-sensitive properties of materials to detect target gas concentrations. They are widely used in production safety, environmental monitoring, clinical medicine and other fields. Gas sensing materials are mainly divided into metal oxide semiconductor materials, conductive polymer (CP) materials, and metal organic framework materials. Conductive polymers have attracted extensive attention due to their low cost, easy synthesis, and good response to harmful gases such as ammonia at room temperature. Recent studies on CP composites have also greatly improved the gas-sensing properties of CP. In this paper, the regulation mechanism of CP resistance is analyzed, and the research progress of CP and their composite gas sensors for NH₃, NO₂, H₂S and other gases in recent years is mainly introduced, the research status of CP in the detection of methanol, triethylamine, carbon monoxide and other gases is briefly introduced. Finally, the application prospects of CP in the field of gas sensing are prospected.

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	WANG Zhipeng
	GUO Zhiming
	XING Jinfeng

Keywords： conductive polymer gas-sensing mechanism gas-sensing sensor sensitivity

Received 2022-05-25;

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WANG Zhipeng, GUO Zhiming, XING Jinfeng.Research progress of conductive polymer gas sensors[J] Chemcial Industry and Engineering, 2023,V40(2): 75-84

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