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. 2020 May 26;10(6):1012. doi: 10.3390/nano10061012

Figure 3.

Figure 3

(a) Mechanism of electron-accepting NO2 gas molecule on MoS2 surface and (b) mechanism of electron-donating NH3 gas molecule on MoS2 surface (Reproduced with permission from [113]. Copyright 2015 Springer Nature Limited CC BY-NC-ND 4.0).