M2CS2 (M = Sc, Y) with brand-new MXene phase: The promising candidate as the N/O-containing gases sensor and/or capturer

Applied Surface Science(2023)

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摘要
•M2CS2 (M = Sc or Y) with brand-new MXene phase could be the promising candidate as NH3 and Nicotine capturer.•M2CS2 exhibits both the high sensitivity and selectivity towards N- or O-containing gases.•The gas sensing mechanisms of M2CS2 are totally different from other S-terminated MXenes (X2CS2, X  = Ti, Hf and Zr).
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关键词
S-terminated MXenes,Gas sensor and capturer,2D materials,Gas adsorption,First-principles simulation
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