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. 2022 Mar 11;14(11):13790–13800. doi: 10.1021/acsami.2c02340

Figure 5.

Figure 5

Flame rapid detection and fire alarm of graphene/NC composite alarm sensors. (a) Schematic illustration of flame detection processes using the alcohol burner, (b) electrical resistance change of G@NC60 at various heating rates from 30 to 260 °C, (c) electrical resistance change of G@NC75 and G@NC90 at various heating rates from 30 to 260 °C, and (d) response time under different NC content and heating rates. Resistance change observed at different environmental temperatures: (e) 400, (f) 300, and (g) 200 °C.