Author： Xiao-Jing Li Chan K. S.
Publisher： IOP Publishing
ISSN： 0256-307X
Source： Chinese Physics Letters, Vol.30, Iss.1, 2013-01, pp. : 16801-16805
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Abstract
We investigate theoretically the exciton states in semiconductor crossed nanowires (CNWs) and it is found that the energy spectrum and electro-PL spectrum of the exciton in the CNWs can be tuned by the size of the nanowires using electric fields. An interesting bright-to-dark exciton transition can be found and it significantly affects the photoluminescence spectrum by the electric fields, which can be used to design new types of optoelectronic devices.
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