Co-reductive fabrication of carbon nanodots with high quantum yield for bioimaging of bacteria

WANG, Jiajun, LIU, Xia, MILCOVICH, Gesmi, CHEN, Tzu-Yu, DURACK, Edel, MALLEN, Sarah, RUAN, Yongming, WENG, Xuexiang and HUDSON, Sarah P (2018). Co-reductive fabrication of carbon nanodots with high quantum yield for bioimaging of bacteria. Beilstein Journal of Nanotechnology, 9, 137-145.

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Abstract

A simple and straightforward synthetic approach for carbon nanodots (C-dots) is proposed. The strategy is based on a one-step hydrothermal chemical reduction with thiourea and urea, leading to high quantum yield C-dots. The obtained C-dots are well-dispersed with a uniform size and a graphite-like structure. A synergistic reduction mechanism was investigated using Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The findings show that using both thiourea and urea during the one-pot synthesis enhances the luminescence of the generated C-dots. Moreover, the prepared C-dots have a high distribution of functional groups on their surface. In this work, C-dots proved to be a suitable nanomaterial for imaging of bacteria and exhibit potential for application in bioimaging thanks to their low cytotoxicity.

Item Type:	Article
Identification Number:	https://doi.org/10.3762/bjnano.9.16
Page Range:	137-145
Depositing User:	Tzu-Yu Chen
Date Deposited:	21 Jun 2018 10:31
Last Modified:	18 Mar 2021 11:50
URI:	https://shura.shu.ac.uk/id/eprint/21627

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