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Issue 1, 2014
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Electrochemical doping of anatase TiO2 in organic electrolytes for high-performance supercapacitors and photocatalysts

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Abstract

In this article, we report a facile electrochemical method to modify anatase TiO2 by cathodically biasing TiO2 in an ethylene glycol electrolyte. The resulting black TiO2 is highly stable with a significantly narrower bandgap and higher electrical conductivity. Furthermore, largely improved photoconversion efficiency (increased from 48% to 72% in the visible region, and from nearly 0% to 7% in the UV region), photocatalytic efficiency, and charge-storage capability (∼42 fold increase) are achieved for the treated TiO2.

Graphical abstract: Electrochemical doping of anatase TiO2 in organic electrolytes for high-performance supercapacitors and photocatalysts

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Article information


Submitted
02 Oct 2013
Accepted
22 Oct 2013
First published
28 Oct 2013

J. Mater. Chem. A, 2014,2, 229-236
Article type
Paper

Electrochemical doping of anatase TiO2 in organic electrolytes for high-performance supercapacitors and photocatalysts

H. Li, Z. Chen, C. K. Tsang, Z. Li, X. Ran, C. Lee, B. Nie, L. Zheng, T. Hung, J. Lu, B. Pan and Y. Y. Li, J. Mater. Chem. A, 2014, 2, 229
DOI: 10.1039/C3TA13963H

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