Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Polymers Used in SAW Gas Sensors for Detecting Sulfur-Containing Compounds

Version 1 : Received: 12 January 2024 / Approved: 12 January 2024 / Online: 12 January 2024 (17:14:11 CET)

A peer-reviewed article of this Preprint also exists.

Wang, Y.; Yan, C.; Liang, C.; Liu, Y.; Li, H.; Zhang, C.; Duan, X.; Pan, Y. Sensitive Materials Used in Surface Acoustic Wave Gas Sensors for Detecting Sulfur-Containing Compounds. Polymers 2024, 16, 457. Wang, Y.; Yan, C.; Liang, C.; Liu, Y.; Li, H.; Zhang, C.; Duan, X.; Pan, Y. Sensitive Materials Used in Surface Acoustic Wave Gas Sensors for Detecting Sulfur-Containing Compounds. Polymers 2024, 16, 457.

Abstract

There have been many researches on the surface acoustic wave (SAW) sensors for detecting sulfur-containing toxic or harmful gases. This paper aims to give an overview of the current state of the polymer films used in SAW sensors for detecting deleterious gases. By covering most of the important polymer materials, the structures and types of polymers are summarized, and a variety of devices with different frequency, such as delay lines and array sensors for detecting mustard gas, hydrogen sulfide and sulfur dioxide are introduced. The preparation method of polymer films, the sensitivity of the SAW gas sensor, the limit of detection, the influence of temperature and humidity, and the anti-interference ability are discussed in detail. The advantages and disadvantages of the films are also analyzed, and the potential application of polymer films in the future is also forecasted.

Keywords

polymer; films; surface acoustic wave(SAW); gas sensor; mustard gas; hydrogen sulfide; sulfur dioxide

Subject

Chemistry and Materials Science, Polymers and Plastics

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