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Abstract With the development of gas sensor technology, higher requirements are put forward for element sensitivity and controllable gas adsorption strength. Here, the adjustment effect of uniaxial or biaxial strains… Click to show full abstract
Abstract With the development of gas sensor technology, higher requirements are put forward for element sensitivity and controllable gas adsorption strength. Here, the adjustment effect of uniaxial or biaxial strains on 1T’ WS2 is discussed to achieve the controllable adsorption performance of NO2. Results suggested that the adsorption strength can be controlled by the applied tensile strain when the strain was between 1% and 10%, and it increases with the increase of strain. The biaxial strain was more conducive to generate the orbital mixing between NO2 and 1T’ WS2. The mechanism of strain affecting gas adsorption strength is clarified.
Journal Title: Chemical Physics Letters
Year Published: 2020
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