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Title: Graphene-P(VDF-TrFE) multilayer film for flexible applications
Authors: Bae, S.-H.
Kahya, O.
Sharma, B.K.
Kwon, J.
Cho, H.J.
Özyilmaz, B. 
Ahn, J.-H.
Keywords: actuator
CVD graphene
electrostatic doping
flexible electronics
Issue Date: 23-Apr-2013
Citation: Bae, S.-H., Kahya, O., Sharma, B.K., Kwon, J., Cho, H.J., Özyilmaz, B., Ahn, J.-H. (2013-04-23). Graphene-P(VDF-TrFE) multilayer film for flexible applications. ACS Nano 7 (4) : 3130-3138. ScholarBank@NUS Repository.
Abstract: A flexible, transparent acoustic actuator and nanogenerator based on graphene/P(VDF-TrFE)/graphene multilayer film is demonstrated. P(VDF-TrFE) is used as an effective doping layer for graphene and contributes significantly to decreasing the sheet resistance of graphene to 188 ohm/sq. The potentiality of graphene/P(VDF-TrFE)/graphene multilayer film is realized in fabricating transparent, flexible acoustic devices and nanogenerators to represent its functionality. The acoustic actuator shows good performance and sensitivity over a broad range of frequency. The output voltage and the current density of the nanogenerator are estimated to be ∼3 V and ∼0.37 μAcm-2, respectively, upon the application of pressure. These values are comparable to those reported earlier for ZnO-and PZT-based nanogenerators. Finally, the possibility of rollable devices based on graphene/P(VDF-TrFE)/graphene structure is also demonstrated under a dynamic mechanical loading condition. © 2013 American Chemical Society.
Source Title: ACS Nano
ISSN: 19360851
DOI: 10.1021/nn400848j
Appears in Collections:Staff Publications

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