Enhanced cathodoluminescence from ZnS based phosphors with self-assembled ZnO nano-structures
Attaching ZnO nano-structures to specific structures of ZnS has been studied with the aim of introduction the combined benefits of each entity. ZnO nano-structures self-assembled on a wurzite ZnS and ZnS: Cu,Cl (ZC) during thermal treatment owing to the high mobility of the intermediate of zinc oxy-sulfide complex. The growth of ZnO on the surface of ZnS based phosphors is known to reduce the cathodoluminescence (CL) intensity. However, the CL spectra from the ZnO/ZC indicate abnormal enhancement of blue CL emission at 440 nm caused by a secondary excitation of ZC due to the effective transfer of photons generated from ZnO. (C) 2010 Elsevier B.V. All rights reserved.
- Publisher
- ELSEVIER SCIENCE BV
- Issue Date
- 2010-06
- Language
- English
- Article Type
- Article
- Keywords
LUMINESCENCE; HETEROSTRUCTURES; DEGRADATION; EXCITATION; CRYSTALS; SPECTRA; ZNO/ZNS; ZINC; GAS
- Citation
CHEMICAL PHYSICS LETTERS, v.493, no.1-3, pp.113 - 117
- ISSN
- 0009-2614
- Appears in Collection
- EE-Journal Papers(저널논문)
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