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|Title:||Graphene-P(VDF-TrFE) multilayer film for flexible applications|
|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. https://doi.org/10.1021/nn400848j|
|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|
|Appears in Collections:||Staff Publications|
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