Journal article

Up-Scalable Synthesis of Size-Controlled White-Green Emitting Behavior of Core/Shell (CdSe/ZnS) Quantum Dots for LED Applications


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Publication Details

Author list: Ramalingam, G., Ragupathi, C., Kaviyarasu, K., Letsholathebe, D., Mohamed, S. B., Magdalane, C. M.
& Maaza, M.

Publisher: National Library of Medicine

Publication year: 2019

Journal acronym: JNN

Volume number: 19

Issue number: 7

Start page: 4026

End page: 4032

Number of pages: 7

ISSN: 1533-4880

eISSN: 1533-4899

URL: https://pubmed.ncbi.nlm.nih.gov/30764965/

Languages: English



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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Last updated on 2022-29-11 at 11:35