期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 19, 期 7, 页码 4026-4032出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2019.16298
关键词
CdSe/ZnS; Core-Shell Quantum Dots; Luminescence; Optical Properties; Green and White-Light LEDs
类别
资金
- Alagappa University Research Fund-2017 (AURF)
- DST-SERB Govt. of India [EEQ/2016/198]
Research on CdSe/ZnS core-shell quantum dots (QDs) was synthesized by a chemical route using bio-conjugated organic amino acid (L-Cysteine). The structural, morphological, and optical properties of the nanocrystal powder samples were analyzed using various characterization techniques. The diameter of the resulting QDs was about 3 nm with uniform size distribution. The optical properties QDs exhibited an absorption and emission peak at 515 and 525 nm respectively, at room temperature. The QDs through emission in the spectral range at 516-535 nm is special for their application in green LEDs and white-light generation. The high optical properties performance of the QDs nanocomposites gained indicates that the materials are promising for (LED) applications.
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