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Quantum confinement of excitons in wurtzite InP nanowires

Pemasiri, Kuranananda; Jackson, Howard E; Smith, Leigh M; Wong, B M; Paiman, Suriati; Gao, Qiang; Tan, Hoe Hark; Jagadish, Chennupati


Exciton resonances are observed in photocurrent spectra of 80m wurtzite InP nanowire devices at low temperatures, which correspond to transitions between the A, B, and C valence bands and the lower conduction band. Photocurrent spectra for 30m WZ nanowires exhibit shifts of the exciton resonances to higher energy, which are consistent with finite element calculations of wavefunctions of the confined electrons and holes for the various bands.

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.4921109


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