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Evidence for coupli...
Evidence for coupling between exciton emissions and surface plasmon in Ni-coated ZnO nanowires
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- Ren, Qijun (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Filippov, Stanislav (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Chen, Shula (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Devika, M. (författare)
- Department of Nanobio Materials and Electronics, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
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- Koteeswara Reddy, N. (författare)
- Department of Nanobio Materials and Electronics, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
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- Tu, C. W. (författare)
- Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, California, USA
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- Chen, Weimin (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Buyanova, Irina (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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(creator_code:org_t)
- 2012-10-04
- 2012
- Engelska.
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Ingår i: Nanotechnology. - : Institute of Physics Publishing (IOPP). - 0957-4484 .- 1361-6528. ; 23:42, s. 425201-
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We show that coating ZnO nanowires (NWs) with a transition metal, such as Ni, can increase the efficiency of light emission at room temperature. Based on detailed structural and optical studies, this enhancement is attributed to energy transfer between near-band-edge emission in ZnO and surface plasmons in the Ni film which leads to an increased rate of the spontaneous emission. It is also shown that the Ni coating leads to an enhanced non-radiative recombination via surface states, which becomes increasingly important at low measurement temperatures and in annealed ZnO/Ni NWs.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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