Effect of laser irradiation on CO gas detecting response of reduced graphene oxide sensor

Abstract

The effect of laser irradiation on the performance of a carbon monoxide gas sensor was investigated in this paper.

Physical Confounding Factors Affecting Gas Sensors Response: A Review on Effects and Compensation Strategies for Electronic Nose Applications

“…Based on the literature and on the author's direct experience, the following confounding factors, which are considered particularly critical in e-nose applications, have been selected [26]: target gas humidity (Section 3.1), temperature (Section 3.2), and flow (Section 3.3). Even if there are studies reporting possible effects of target gas pressure on sensors' response [32,33], we decided to neglect this possible source of errors, as its effects appear to be small for relatively small target gas pressure variations [34,35], and most e-nose applications are usually designed to be operating at approximately ambient pressure. In Section 4, hardware compensation strategies aiming to improve the quality of e-nose sensors' responses are reported in three different paragraphs: gas sensor choice and design (Section 4.1), sampling strategies to limit the effects of the confounding factors described in Section 3 (Section 4.2), and sensors' chamber geometries (Section 4.3).…”