Quantum confinement of excitons in wurtzite InP nanowires

K. Pemasiri; H. E. Jackson; L. M. Smith; B. M. Wong; S. Paiman; Q. Gao; H. H. Tan; C. Jagadish

doi:10.1063/1.4921109

Quantum confinement of excitons in wurtzite InP nanowires

K. Pemasiri, H. E. Jackson, L. M. Smith, B. M. Wong, S. Paiman, Q. Gao, H. H. Tan, C. Jagadish

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19 Citations (Scopus)

Abstract

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.

Original language	English
Article number	194306
Journal	Journal of Applied Physics
Volume	117
Issue number	19
DOIs	https://doi.org/10.1063/1.4921109
Publication status	Published - 21 May 2015

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abstract = "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.",

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AU - Gao, Q.

AU - Tan, H. H.

AU - Jagadish, C.

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AB - 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.

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Quantum confinement of excitons in wurtzite InP nanowires

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