Fig. 10 Borophene-graphene heterostructure humidity sensor: (a) Schematic representation of the sensor based on borophene-graphene heterostructure; (b) Humidity sensing behavior of the heterostructure sensor at different relative humidities; (c) Sensitivity of the heterostructure sensor exposed to different relative humidities; (d) Response and recovery curves of the heterostructure sensor under 85% RH; (e) Schematic diagram of the bent heterostructure sensor on a PET substrate; (f) Response curves of the sensor with and without applied bending strain[85]. Copyright 2020 Springer Nature
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