2023
DOI: 10.1016/j.mseb.2023.116781
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Review on the synthesis of metal sulfides gas sensors and their performances at room temperature

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Cited by 11 publications
(7 citation statements)
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“…SnS is a common n-type semiconductor [19]. When SnS is exposed to the air, oxygen molecules adsorb on the surface of SnS and capture electrons [41], and the physically adsorbed oxygen molecules will transform into chemically adsorbed oxygen molecules, forming the oxygen ion O − 2 , as shown in the following equation:…”
Section: Mechanistic Discussionmentioning
confidence: 99%
“…SnS is a common n-type semiconductor [19]. When SnS is exposed to the air, oxygen molecules adsorb on the surface of SnS and capture electrons [41], and the physically adsorbed oxygen molecules will transform into chemically adsorbed oxygen molecules, forming the oxygen ion O − 2 , as shown in the following equation:…”
Section: Mechanistic Discussionmentioning
confidence: 99%
“…The primary distinguishing feature of metal oxide gas sensors is the reversible interaction and adsorption process that occurs between gas molecules and the surface of the heated oxide. [14,15] The alteration in the electronic conductivity of the metal oxide or semiconductor occurs due to the adsorption of the target analyte onto the solid layer. The sensor operates based on the principle that when atmospheric oxygen adheres to the semiconducting solid, it captures electrons, leading to a reduction in conductivity.…”
Section: Metal Oxide Gas Sensormentioning
confidence: 99%
“…An electrochemical gas sensor typically comprises a gas-permeable membrane and three electrodes: (i) the counter electrode, (ii) the sensing or working electrode, and (iii) the reference electrode. [14,27] A standard representation of an electrochemical sensor is depicted in Figure 4. The fundamental principle underlying the operation of an electrochemical sensor is the detection of electrons transferred during an electrochemical reaction.…”
Section: Electrochemical Gas Sensormentioning
confidence: 99%
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“…Transition metal suldes have applications in the elds of photocatalysis, 24 supercapacitors, 25 sensors 26 and solar cells 27 due to their excellent physical and chemical properties, such as redox reversibility, capacitance and conductivity. Metal suldes like CuS, 28 CoS 29 and NiS 30 were used as nanozymes for nonenzymatic glucose sensors.…”
Section: Introductionmentioning
confidence: 99%