UM
Tunable emission properties of CdSe/CdS quantum dots by Ce doping
Jeong, Wonwoo; Hui, Kwan San; Hui, Kwun Nam; Cho, Young Rae; Cho, Kyung Mox
2017-11
Source PublicationJOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
ISSN0957-4522
Volume28Issue:22Pages:17331-17337
AbstractA facile one-step hydrothermal synthesis to prepare cerium (Ce3+) ion doped CdSe/CdS core/shell quantum dots (QDs) is introduced. The effect of Ce3+ ion doping on structural and optical properties of the CdSe/CdS core/shell QDs is comprehensively investigated. With increasing Ce doping concentration, a linear increase in the lattice parameter is observed, suggesting the successful coupling of Ce3+ ions to the CdSe/CdS QDs. X-ray photoelectron spectroscopy reveals strong peaks of the Ce3+ state, indicating that Ce is initially present mainly in the Ce3+ ion state. In addition, red-shift over the range 538-569 nm is observed in the photoluminescence (PL) spectra of Ce3+ ion doped CdSe/CdS QDs. Results clearly indicates that the PL peak positions of the CdSe/CdS QDs could be controlled by the Ce content. This study highlights a new approach to tune the emission of the QDs.
DOI10.1007/s10854-017-7665-0
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Materials Science ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000414322100095
PublisherSPRINGER
The Source to ArticleWOS
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Jeong, Wonwoo,Hui, Kwan San,Hui, Kwun Nam,et al. Tunable emission properties of CdSe/CdS quantum dots by Ce doping[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2017,28(22):17331-17337.
APA Jeong, Wonwoo,Hui, Kwan San,Hui, Kwun Nam,Cho, Young Rae,&Cho, Kyung Mox.(2017).Tunable emission properties of CdSe/CdS quantum dots by Ce doping.JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,28(22),17331-17337.
MLA Jeong, Wonwoo,et al."Tunable emission properties of CdSe/CdS quantum dots by Ce doping".JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 28.22(2017):17331-17337.
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