Hierarchical Aerographite 3D flexible networks hybridized by InP micro/nanostructures for strain sensor applications

Plesco, Irina, Strobel, Julian, Schütt, Fabian, Himcinschi, Cameliu, Ben Sedrine, Nabiha, Monteiro, Teresa, Correia, Maria Rosário, Gorceac, Leonid, Cinic, Boris, Ursaki, Veaceslav, Marx, Janik, Fiedler, Bodo, Mishra, Yogendra Kumar, Kienle, Lorenz, Adelung, Rainer and Tiginyanu, Ion (2018) Hierarchical Aerographite 3D flexible networks hybridized by InP micro/nanostructures for strain sensor applications Scientific Reports, 8 (1). DOI 10.1038/s41598-018-32005-0.

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Abstract

In the present work, we report on development of three-dimensional flexible architectures consisting of an extremely porous three-dimensional Aerographite (AG) backbone decorated by InP micro/nanocrystallites grown by a single step hydride vapor phase epitaxy process. The systematic investigation of the hybrid materials by scanning electron microscopy demonstrates a rather uniform spatial distribution of InP crystallites without agglomeration on the surface of Aerographite microtubular structures. X-ray diffraction, transmission electron microscopy and Raman scattering analysis demonstrate that InP crystallites grown on bare Aerographite are of zincblende structure, while a preliminary functionalization of the Aerographite backbone with Au nanodots promotes the formation of crystalline In2O3 nanowires as well as gold-indium oxide core-shell nanostructures. The electromechanical properties of the hybrid AG-InP composite material are shown to be better than those of previously reported bare AG and AG-GaN networks. Robustness, elastic behavior and excellent translation of the mechanical deformation to variations in electrical conductivity highlight the prospects of AG-InP applications in tactile/strain sensors and other device structures related to flexible electronics.

Document Type: Article
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
DOI etc.: 10.1038/s41598-018-32005-0
ISSN: 2045-2322
Projects: Future Ocean
Date Deposited: 16 Jan 2019 09:27
Last Modified: 17 Jan 2019 13:28
URI: http://eprints.uni-kiel.de/id/eprint/45364

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