Ultra-lightweight pressure sensor based on graphene aerogel decorated with piezoelectric nanocrystalline films

Dragoman Mircea L.; Ghimpu Lidia; Obreja Cosmin; Dinescu Adrian; Pleşco (Jin) Irina; Dragoman Daniela; Braniste Tudor; Tiginyanu Ion

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827

SM ISO690:2012

DRAGOMAN, Mircea L., GHIMPU, Lidia, OBREJA, Cosmin, DINESCU, Adrian, PLEŞCO (JIN), Irina, DRAGOMAN, Daniela, BRANISTE, Tudor, TIGINYANU, Ion. Ultra-lightweight pressure sensor based on graphene aerogel decorated with piezoelectric nanocrystalline films. In: Nanotechnology, 2016, vol. 27, pp. 210-218. ISSN 0957-4484. DOI: https://doi.org/10.1088/0957-4484/27/47/475203

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Nanotechnology

Volumul 27 / 2016 / ISSN 0957-4484

Ultra-lightweight pressure sensor based on graphene aerogel decorated with piezoelectric nanocrystalline films

DOI:https://doi.org/10.1088/0957-4484/27/47/475203

Pag. 210-218

Dragoman Mircea L.¹, Ghimpu Lidia², Obreja Cosmin¹, Dinescu Adrian¹, Pleşco (Jin) Irina³, Dragoman Daniela⁴⁵, Braniste Tudor³, Tiginyanu Ion²³

¹ National Institute for Research and Development in Microtechnology, IMT-Bucharest,
² Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova,
³ Technical University of Moldova,
⁴ University of Bucharest,
⁵ Romanian Academy of Science

Disponibil în IBN: 22 noiembrie 2017

Rezumat

In this paper, we report on a pressure sensor based on graphene aerogel functionalized with SnO₂ or GaN thin films deposited by magnetron sputtering. Decoration by nanocrystalline SnO₂ or GaN was found to enhance the piezoresistive response of the bare aerogel. The responsivity and pressure sensing range (from 1-5 atm) of the sensor are shown to be higher than those inherent in pressure sensors based on graphene membranes.

Cuvinte-cheie
piezoelectric nanomaterials, Functionalization, graphene aerogel, pressure sensor

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