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Issue 32, 2017
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Graphenes as additives in photoelectrocatalysis

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Abstract

Due to their electrical conductivity, graphenes in small weight percentages can increase the efficiency of semiconducting catalysts. Besides conductivity, other reasons for this beneficial influence of graphenes on PEC are the large contact area with the particles of the semiconductor and the fast electron migration from the conduction band of the semiconductor to graphenes, enhancing charge separation efficiency and lifetime. The purpose of the present review is to show how addition of graphenes increases the photoelectrocatalytic activity of semiconductors as photoanodes or photocathodes. The existing literature has been grouped according to the photoelectrocatalytic reaction, including CO2 reduction, H2 generation and pollutant degradation, putting emphasis on the photoelectrode preparation, since it determines the properties of the resulting composite. The final section summarizes the state of the art and forecasts future developments in the field.

Graphical abstract: Graphenes as additives in photoelectrocatalysis

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Publication details

The article was received on 10 May 2017, accepted on 03 Jul 2017 and first published on 03 Jul 2017


Article type: Review Article
DOI: 10.1039/C7TA04045H
Citation: J. Mater. Chem. A, 2017,5, 16522-16536
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    Graphenes as additives in photoelectrocatalysis

    A. García, C. Fernandez-Blanco, J. R. Herance, J. Albero and H. García, J. Mater. Chem. A, 2017, 5, 16522
    DOI: 10.1039/C7TA04045H

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