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23 April 2024 |
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Temperature dependent photoluminescence of single CdS nanowires | | Thang Ba Hoang
; L.V. Titova
; H.E. Jackson
; L.M. Smith
; J. M. Yarrison-Rice
; J.L. Lensch
; L.J. Lauhon
; | | Date: |
15 Jun 2006 | | Subject: | Materials Science | | Abstract: | Temperature dependent photoluminescence (PL) is used to study the electronic properties of single CdS nanowires. At low temperatures, both near-band edge (NBE) photoluminescence (PL) and spatially-localized defect-related PL are observed in many nanowires. The intensity of the defect states is a sensitive tool to judge the character and structural uniformity of nanowires. As the temperature is raised, the defect states rapidly quench at varying rates leaving the NBE PL which dominates up to room temperature. All PL lines from nanowires follow closely the temperature-dependent band edge, similar to that observed in bulk CdS. | | Source: | arXiv, cond-mat/0606428 | | Services: | Forum | Review | PDF | Favorites | |
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