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

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


DOI: 10.1088/0957-4484/27/47/475203
Pag. 210-218

Dragoman Mircea L.1, Ghimpu Lidia2, Obreja Cosmin1, Dinescu Adrian1, Pleşco Irina3, Dragoman Daniela45, Branişte 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
Functionalization, graphene aerogel, pressure sensor,

piezoelectric nanomaterials