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Color Conversion Behaviors of Poly(methylmethacrylate) Films Containing Silica-Coated CdSe/ZnS Core-Shell Quantum Dots

Title
Color Conversion Behaviors of Poly(methylmethacrylate) Films Containing Silica-Coated CdSe/ZnS Core-Shell Quantum Dots
Author
김태환
Keywords
Silica-Coated CdSe/ZnS Quantum Dot; Poly(methylmethacrylate); Color Conversion; Reverse Microemulsion
Issue Date
2016-11
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v. 16, NO 11, Page. 11219-11223
Abstract
The color conversion behaviors of poly(methylmethacrylate) (PMMA) films containing silica-coated CdSe/ZnS core-shell quantum dots (QDs) synthesized by using a reverse microemulsion method were investigated. High-resolution transmission electron microscopy images showed that silica shells synthesized with 60 mu L of an ammonium hydroxide catalyst were uniformly coated on CdSe/ZnS QDs in the PMMA film. Absorption spectra, photoluminescence spectra, and confocal optical microscopy images demonstrated that the amount of agglomeration of the CdSe/ZnS QDs in the PMMA film decreased as a result of the silica shells. While the absorption range of the PMMA film containing silica-coated CdSe/ZnS QDs was between 420 and 450 nm, the corresponding fluorescence emission peak appeared at 583 nm, resulting in the appearance of color-conversion behavior for the PMMA film.
URI
https://www.ingentaconnect.com/content/asp/jnn/2016/00000016/00000011/art00017;jsessionid=85nqk1psknqei.x-ic-live-02https://repository.hanyang.ac.kr/handle/20.500.11754/101110
ISSN
1533-4880; 1533-4899
DOI
10.1166/jnn.2016.13481
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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