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Adv Mater. 2014 May;26(18):2844-9. doi: 10.1002/adma.201304967. Epub 2014 Feb 21.

Semiconductor alloy nanoribbon lateral heterostructures for high-performance photodetectors.

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  • 1Key Laboratory for Micro-Nano Physics and Technology of Hunan Province and State Key Laboratory of Chemo/biosensing and Chemometrics (CBSC), Hunan University, Changsha, 410082, P.R. China.


High-performance visible-light photodetectors are achieved based on single nanoribbon lateral heterostructures composed of two different semiconductor alloys epitaxially grown in the lateral direction. They reveal superior spectral response range, responsivity, Ion/Ioff ratio, and external quantum efficiency, relative to devices based on single composition structures.

© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


high-performance; lateral heterostructure; nanoribbon; photodetector; semiconductor

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