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Issue 31, 2012
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Large scale electrochemical synthesis of high quality carbon nanodots and their photocatalytic property

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Abstract

High quality carbon nanodots (C-dots) with high purity were synthesized through a mild, one-step electrochemical approach, without the assistance of any chemicals but only pure water. This high productivity method makes the synthetic process of C-dots synthesis both economical as well as environment-friendly. The as prepared C-dots are predominantly multi-layer graphene oxide, with luminescence and high up-conversion photoluminescence (emission of light at shorter wavelengths than the excitation wavelength). Meanwhile, C-dots showed peroxidise mimetic function and visible-light-sensitive photocatalytic activity for methyl orange degradation. In addition, a novel photocatalyst (TiO2/C-dots) was obtained by combining C-dots with TiO2 through an easy hydrothermal method. Remarkably, TiO2/C-dots exhibited an excellent visible-light photocatalytic activity.

Graphical abstract: Large scale electrochemical synthesis of high quality carbon nanodots and their photocatalytic property

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Article information


Submitted
10 Feb 2012
Accepted
30 May 2012
First published
01 Jun 2012

Dalton Trans., 2012,41, 9526-9531
Article type
Paper

Large scale electrochemical synthesis of high quality carbon nanodots and their photocatalytic property

H. Ming, Z. Ma, Y. Liu, K. Pan, H. Yu, F. Wang and Z. Kang, Dalton Trans., 2012, 41, 9526
DOI: 10.1039/C2DT30985H

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