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Proceedings Paper

Engineering heterojunctions with carbon nanostructures: towards high-performance optoelectronics
Author(s): Judy Z. Wu
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Paper Abstract

Low-dimensional carbon nanostructures such as nanotubes (CNTs) and graphene have excellent electronic, optoelectronic and mechanical properties, which provide fresh opportunities for designs of optoelectronic devices of extraordinary performance in addition to the benefits of low cost, large abundance, and light weight. This work investigates photodetectors made with CNTs and graphene with a particular focus on carbon-based nanohybrids aiming at a nanoscale control of photon absorption, exciton dissociation and charge transfer. Through several examples including graphene/GaSe-nanosheets, graphene/aligned ZnO nanorods, SWCNT/P3HT, and SWCNT/biomolecule, we show an atomic-scale control on the interfacial heterojunctions is the key to high responsivity and fast photoresponse in these nanohybrids optoelectronic devices.

Paper Details

Date Published: 26 August 2015
PDF: 9 pages
Proc. SPIE 9553, Low-Dimensional Materials and Devices, 95530Z (26 August 2015); doi: 10.1117/12.2192722
Show Author Affiliations
Judy Z. Wu, The Univ. of Kansas (United States)


Published in SPIE Proceedings Vol. 9553:
Low-Dimensional Materials and Devices
Nobuhiko P. Kobayashi; A. Alec Talin; M. Saif Islam; Albert V. Davydov, Editor(s)

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