Quantum confinement of excitons in wurtzite InP nanowires

Journal Article · Thu May 21 00:00:00 EDT 2015 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.4921109· OSTI ID:22410222

Pemasiri, K.; Jackson, H. E.; Smith, L. M. ^[1]; Wong, B. M. ^[2]; Paiman, S.; Gao, Q.; Tan, H. H.; Jagadish, C. ^[3]

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1. Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221 (United States)
2. Department of Chemical and Environmental Engineering and Materials Science, University of California, Riverside, California 92521 (United States)
3. Department of Electronic Materials Engineering, Research School of Physics and Engineering, The Australian National University, Canberra, ACT 0200 (Australia)

Exciton resonances are observed in photocurrent spectra of 80 nm 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 30 nm 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.

• OSTI ID: 22410222
• Journal Information: Journal of Applied Physics, Vol. 117, Issue 19; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
CUBIC LATTICES
ELECTRONIC STRUCTURE
ELECTRONS
EXCITONS
FINITE ELEMENT METHOD
HOLES
INDIUM PHOSPHIDES
NANOWIRES
PHOTOCURRENTS
TEMPERATURE DEPENDENCE
VALENCE