Light emission from CdSe quantum dot and ZnO nanorod hybrid structures

Title
Light emission from CdSe quantum dot and ZnO nanorod hybrid structures
Author(s)
박일규김윤석[김윤석]노범영
Keywords
PHOTOLUMINESCENCE; TEMPERATURE; MICRORODS; NANOWIRES; ARRAYS; FILMS
Issue Date
201407
Publisher
KOREAN PHYSICAL SOC
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.65, no.1, pp.74 - 79
Abstract
Light-emitting CdSe quantum dot (QD) - ZnO nanorod (NR) hybrid structures were fabricated via wet chemical methods. Structural investigations indicated that the nano-sized CdSe QDs were formed on the ZnO NRs. Optical investigations showed that the energy band gap of the CdSe QDs was changed by varying the number of deposition cycles of CdSe due to the quantum confinement effect. The emissions from the hybrid structures depended on the existence of an Al2O3 shell layer on the ZnO NRs, which acted as an electrical barrier layer blocking charge carrier losses from the CdSe QDs to the ZnO NRs.
URI
http://hdl.handle.net/YU.REPOSITORY/31593http://dx.doi.org/10.3938/jkps.65.74
ISSN
0374-4884
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공과대학 > 전자공학과 > Articles
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