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Paper   IPM / Nano-Sciences / 16700
School of Nano Science
  Title:   Enhancement of self-powered humidity sensing of graphene oxide-based triboelectric nanogenerators by addition of graphene oxide nanoribbons
  Author(s): 
1.  Faezeh Ejehi
2.  Raheleh Mohammadpour
3.  Elham Asadian
4.  Somayeh Fardindoost
5.  Pezhman Sasanpour
  Status:   Published
  Journal: Microchim. Acta
  Year:  2021
  Pages:   188
  Publisher(s):   Springer
  Supported by:  IPM
  Abstract:
A triboelectric nanogenerator (TENG) electrode sensitive to the adsorption of water molecules has been introduced to create a selfpowered humidity sensor. Graphene oxide (GO) nanosheets and graphene oxide nanoribbon (GONR) possessing oxygenated functional groups, as well as high dielectric constants, have been proposed as appropriate candidates for this purpose. GO papers have been fabricated in three forms, i.e. pure GO paper, uniform composites of GONR and GO, and double-layer structures of GONR on top of GO. Results showed that all of the prepared paper-based TENGs revealed excellent performances by maximum output voltage above 300 V. As active humidity sensors, the maximum voltage response values of 57

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