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Solid-state fluorescence from bioplastic nanocomposite embedded with intentional zinc doped carbon quantum dots synthesized from Brassica juncea flower extract for applications in UV-tube down-conversion.
- Source :
-
Materials Letters . Sep2023, Vol. 347, pN.PAG-N.PAG. 1p. - Publication Year :
- 2023
-
Abstract
- • Solid-state fluorescence from Zn-doped CQDs@bioplastics nanocomposite is reported. • Zn-doped CQDs were synthesized from Brassicca juncea flower extract. • UVC-tube down-conversion was demonstrated with bioplastic nanocomposite. • Zn-doped bioplastic nanocomposite emits more brightly than the unintentional one. • CIE chromatic coordinates of (0.39, 0.56 vs. 0.29, 0.55) were obtained. The enhancement of solid-state fluorescence from nanocomposite bioplastics containing intentionally Zn-doped carbon quantum dots (CQDs) has been reported. For the synthesis of CQDs from Brassica juncea flower extract, an economical, ecologically sustainable, and one-step hydrothermal method was used. The morphological, structural, and physicochemical properties were examined. The quasi-circular shaped CQDs, with an average diameter of 4.7 nm, were discovered to emit yellow-greenish fluorescence upon UV stimulation, to have exceptional photostability, and to be highly water soluble, with a quantum yield of up to 18%. Furthermore, a commercial UVC-tube wrapped with bioplastic nanocomposite emitted a greenish-yellow colour where intentionally Zn-doped CQDs@bioplastic nanocomposite emits more intensely than an unintentional one with CIE chromatic coordinates (0.39, 0.56 vs. 0.29, 0.55). [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0167577X
- Volume :
- 347
- Database :
- Academic Search Index
- Journal :
- Materials Letters
- Publication Type :
- Academic Journal
- Accession number :
- 164248659
- Full Text :
- https://doi.org/10.1016/j.matlet.2023.134629