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- W3119328081 endingPage "125091" @default.
- W3119328081 startingPage "125091" @default.
- W3119328081 abstract "In this work, we have reported on the facile synthesis of white light-emitting carbon quantum dots (CQD) from corncob by hydrothermal method. This CQD has a broad emission from 380 nm to 650 nm with high photoluminescence intensity even after three months of shelf-life and stable at variable pH conditions. The presence of Si and N impurities in the biomass gives a greater advantage in producing white light emission with high quantum yield (54%) and enhanced lifetime at ambient conditions. The CQD is highly sensitive towards DNA, paracetamol, Pb2+, Cu2+, Fe3+, and Cr3+ fluorescence sensing and signifies its application as a multi-modal fluorescence sensor. The results of optical sensitivity calculated from the linear range of 1‐10 ng/mL, 0.10‐0.30 mg/mL, 2.5446 ng/mL, 0.0694 mg/mL, 0.3103–1.5515 μM/mL, 0.4299–4.7293 μM/mL, 1.3010 μM/mL and 0.05–2.5 μM/mL. The limit of detection is 2.5446 ng/mL, 0.0694 mg/mL, 0.8641 μM/mL, 1.2454 μM/mL, 1.3010 μM/m, 0.8550 μM/mL and 2.8562 μM/mL, respectively. And also, the relative standard deviation values of 2.30%, 4.46%, 1.79%, 1.84%, 0.26%, 1.23% and 0.35% are evidences its possibility of development towards potential optical sensor applications. Flexible white light-emitting sheets were fabricated from the CQD, illuminates uniform brightness, and has good color reproducibility and higher stability under various UV light excitation." @default.
- W3119328081 created "2021-01-18" @default.
- W3119328081 creator A5016036096 @default.
- W3119328081 creator A5041836194 @default.
- W3119328081 creator A5042930699 @default.
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- W3119328081 creator A5070968503 @default.
- W3119328081 creator A5072272612 @default.
- W3119328081 creator A5075199834 @default.
- W3119328081 date "2021-08-01" @default.
- W3119328081 modified "2023-10-15" @default.
- W3119328081 title "Green synthesis of white light emitting carbon quantum dots: Fabrication of white fluorescent film and optical sensor applications" @default.
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- W3119328081 doi "https://doi.org/10.1016/j.jhazmat.2021.125091" @default.
- W3119328081 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33866289" @default.
- W3119328081 hasPublicationYear "2021" @default.
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