The effect of V/III ratio and catalyst particle size on the crystal structure and optical properties of InP nanowires

Paiman, S., Gao, Q., Tan, H. H., Jagadish, C., Pemasiri, K., Montazeri, M., Jackson, H. E., Smith, L. M., Yarrison-Rice, J. M., Zhang, X. and Zou, J. (2009) The effect of V/III ratio and catalyst particle size on the crystal structure and optical properties of InP nanowires. Nanotechnology, 20 22: 225606.1-225606.7. doi:10.1088/0957-4484/20/22/225606


Author Paiman, S.
Gao, Q.
Tan, H. H.
Jagadish, C.
Pemasiri, K.
Montazeri, M.
Jackson, H. E.
Smith, L. M.
Yarrison-Rice, J. M.
Zhang, X.
Zou, J.
Title The effect of V/III ratio and catalyst particle size on the crystal structure and optical properties of InP nanowires
Journal name Nanotechnology   Check publisher's open access policy
ISSN 0957-4484
Publication date 2009-06-03
Year available 2009
Sub-type Article (original research)
DOI 10.1088/0957-4484/20/22/225606
Open Access Status Not yet assessed
Volume 20
Issue 22
Start page 225606.1
End page 225606.7
Total pages 7
Editor Reed, M.
Place of publication Bristol, United Kingdom
Publisher Institute of Physics Publishing Ltd.
Language eng
Subject C1
970102 Expanding Knowledge in the Physical Sciences
970109 Expanding Knowledge in Engineering
970110 Expanding Knowledge in Technology
091203 Compound Semiconductors
091205 Functional Materials
100708 Nanomaterials
100712 Nanoscale Characterisation
Abstract InP nanowires were grown on (111)B InP substrates by metal–organic chemical vapour deposition in the presence of colloidal gold particles as catalysts. Transmission electron microscopy and photoluminescence measurements were carried out to investigate the effects of V/III ratio and nanowire diameter on structural and optical properties. Results show that InP nanowires grow preferably in the wurtzite crystal structure than the zinc blende crystal structure with increasing V/III ratio or decreasing diameter. Additionally, time-resolved photoluminescence (TRPL) studies have revealed that wurtzite nanowires show longer recombination lifetimes of ~2500 ps with notably higher quantum efficiencies.
Keyword Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Science & Technology - Other Topics
Materials Science
Physics
MATERIALS SCIENCE, MULTIDISCIPLINARY
NANOSCIENCE & NANOTECHNOLOGY
PHYSICS, APPLIED
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID DMR 0806700
Institutional Status UQ

 
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Created: Thu, 03 Sep 2009, 18:08:53 EST by Mr Andrew Martlew on behalf of School of Mechanical and Mining Engineering