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Electro-Mechanical properties of Inkjet-Printed graphene oxide nanosheets

Abstract : This study deals with the deposition of graphene oxide (G-O) thin films by inkjet printing method on Love wave devices, forming up G-O nanosheets in between the inter-digitated transducers (IDTs) of the device. Experimental results were compared with 3D finite element calculations. Enhanced properties were observed by amalgamating ultra-thin G-O films with SiO2 and lead to optimized guided surface acoustic wave propagation. The structural model of the G-O films provided useful information regarding the Young and the Shear modulus of the device, which are found near 470 and 196 GPa, respectively. The resulting Maxwelian viscoelastic components of G-O sheets were compared theoretically and experimentally to each other based on the providing losses on the Love wave devices through the scattering parameters (S-parameters). Similarly, the theoretical and experimental resonance frequency data showed a very good agreement. This behavior is attributed to the different mechanisms, thus combining the viscoelastic and gravimetric effects of the G-O on the Love wave devices. Finally, The G-O film was characterized using colocalized AFM/Raman imaging in order to assess its roughness and chemical homogeneity.
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Contributor : Corinne Dejous <>
Submitted on : Sunday, March 12, 2017 - 11:15:08 PM
Last modification on : Tuesday, February 16, 2021 - 3:05:14 AM



Ioannis Nikolaou, Hamida Hallil, Véronique Conédéra, Bernard Plano, Ollivier Tamarin, et al.. Electro-Mechanical properties of Inkjet-Printed graphene oxide nanosheets. physica status solidi (a), Wiley, 2017, 214 (3), pp.1600492. ⟨10.1002/pssa.201600492⟩. ⟨hal-01487662⟩



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