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Facile preparation of high fluorescent carbon quantum dots from orange waste peels for nonlinear optical applications
Surendran P, , , , Rameshkumar P.
Published in Wiley
PMID: 31591819
Volume: 35
Issue: 2
Pages: 196 - 202
A facile and eco-friendly hydrothermal method was used to prepare carbon quantum dots (CQDs) using orange waste peels. The synthesized CQDs were well dispersed and the average diameter was 2.9 ± 0.5 nm. Functional group identification of the CQDs was confirmed by Fourier transform infrared spectrum analysis. Fluorescence properties of the synthesized CQDs exhibited blue emission. The fluorescence quantum yield of the CQDs was around 11.37% at an excitation wavelength of 330 nm. The higher order nonlinear optical properties were examined using a Z-scan technique and a continuous wave laser that was operated at a wavelength of 532 nm. Results demonstrated that the synthesis of CQDs can be considered as promising for optical switching devices, bio-scanning, and bio-imaging for optoelectronic applications. © 2019 John Wiley & Sons, Ltd.
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Open AccessNo