Engineering heterojunctions with carbon nanostructures: towards high-performance optoelectronics

Judy Z. Wu

doi:10.1117/12.2192722

26 August 2015 Engineering heterojunctions with carbon nanostructures: towards high-performance optoelectronics

Judy Z. Wu

Proceedings Volume 9553, Low-Dimensional Materials and Devices; 95530Z (2015) https://doi.org/10.1117/12.2192722
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

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.

Citation Download Citation

Judy Z. Wu "Engineering heterojunctions with carbon nanostructures: towards high-performance optoelectronics", Proc. SPIE 9553, Low-Dimensional Materials and Devices, 95530Z (26 August 2015); https://doi.org/10.1117/12.2192722

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