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Ten-fold enhancement of InAs nanowire photoluminescence emission with an InP passivation layer
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Jurczak, Pamela, Zhang, Yunyan, Wu, Jiang, Sánchez, Ana M., Aagesen, Martin and Liu, Huiyun (2017) Ten-fold enhancement of InAs nanowire photoluminescence emission with an InP passivation layer. Nano Letters, 17 (6). pp. 3629-3633. doi:10.1021/acs.nanolett.7b00803
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WRAP-ten-fold-enhancement-InAs-nanowire-photoluminescence-Sanchez-2017.pdf - Accepted Version - Requires a PDF viewer. Download (1379Kb) | Preview |
Official URL: https://doi.org/10.1021/acs.nanolett.7b00803
Abstract
In this letter, we demonstrate that a significant improvement of optical performance of InAs nanowires can be achieved by capping the core InAs nanowires with a thin InP shell, which successfully passivates the surface states reducing the rate of non-radiative recombination. The improvements have been confirmed by detailed photoluminescence measurements, which showed up to ten-fold increase in the intensity of room-temperature photoluminescence from the capped InAs/InP nanowires compared to the sample with core-only InAs nanowires. Moreover, the nanowires exhibit high stability of total photoluminescence emission strength across temperature range from 10 to 300 K as a result of strong quantum confinement. These findings could be the key to successful implementation of InAs nanowires into optoelectronic devices.
| Item Type: | Journal Article | ||||||||||||
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| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science > Physics | ||||||||||||
| Library of Congress Subject Headings (LCSH): | Nanowires, Photoluminescence, Optoelectronics | ||||||||||||
| Journal or Publication Title: | Nano Letters | ||||||||||||
| Publisher: | American Chemical Society | ||||||||||||
| ISSN: | 1530-6984 | ||||||||||||
| Official Date: | 23 May 2017 | ||||||||||||
| Dates: |
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| Date of first compliant deposit: | 18 January 2018 | ||||||||||||
| Volume: | 17 | ||||||||||||
| Number: | 6 | ||||||||||||
| Page Range: | pp. 3629-3633 | ||||||||||||
| DOI: | 10.1021/acs.nanolett.7b00803 | ||||||||||||
| Status: | Peer Reviewed | ||||||||||||
| Publication Status: | Published | ||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||
| RIOXX Funder/Project Grant: |
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