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Structural control of photoconductive CdSe nanostructures through a Bi-assisted VLS process
- Authors
- Heo, Kwang; Lee, Hyungwoo; Kim, Taewan; Lee, Byung Yang
- Issue Date
- 1-11월-2016
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Nanostructure; Cadmium selenide; Photodetector; Chemical vapor deposition
- Citation
- MATERIALS LETTERS, v.182, pp.129 - 133
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS LETTERS
- Volume
- 182
- Start Page
- 129
- End Page
- 133
- ISSN
- 0167-577X
- Abstract
- We report a method to grow structurally-controlled CdSe nanostructures by adopting Bi-mixed CdSe powder source to a catalyst-assisted chemical vapor deposition. Using this method, we synthesized Bi-doped CdSe nanocrystals with different shapes, such as nanocrystal film, nano-bumpy film, nanobelts, and nanowires. We fabricated a photodetector and a field-effect device using Bi-doped CdSe nanowires with high responsivity to white light. These results will offer a wide range of application possibilities in optoelectronic devices using CdSe nanostructures. (C) 2016 Elsevier B.V. All rights reserved.
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