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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Official URL: https://www.beilstein-journals.org/bjnano/articles...
Link to published version:: https://doi.org/10.3762/bjnano.9.16
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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: 23 Jun 2018 09:35
    URI: http://shura.shu.ac.uk/id/eprint/21627

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