Optical properties of carbon nanoparticles derived from mung bean
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1.
Quang NK, Nguyễn TS, Phan TKL, Lê XDN. Optical properties of carbon nanoparticles derived from mung bean. hueuni-jns [Internet]. 2022Sep.30 [cited 2024Dec.11];131(1C):125-31. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/6582

Abstract

In this study, we synthesized carbon nanodots (CDs) from mung bean with the hydrothermal method. The average diameter of the CDs is 13.8 nm. The UV-vis absorption spectrum shows a characteristic peak at l = 280 nm, corresponding to the n → p* transition in the C=O bonds. The obtained CDs exhibit a broad emission spectrum ranging from 320 to 460 nm under different excitation wavelengths. Furthermore, by using the comparative method and quinine sulfate as a reference, we obtained a quantum yield of 12.18%. This quantum yield is relatively high compared with that of other precursors.

https://doi.org/10.26459/hueunijns.v131i1C.6582
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