Issue 35, 2015
From the journal:

RSC Advances

Sulfur-doped porous carbon nanosheets as high performance electrocatalysts for PhotoFuelCells†

Stavroula Sfaelou,‡a   Xiaodong Zhuang,‡b   Xinliang Feng*bc  and  Panagiotis Lianos*ad  

* Corresponding authors

a Department of Chemical Engineering, University of Patras, 26500 Patras, Greece
E-mail: xinliang.feng@tu-dresden.de, lianos@upatras.gr

b School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 200240 Shanghai, China

c Center for Advancing Electronics Dresden (cfaed) & Department of Chemistry and Food Chemistry, Technische Universitaet Dresden, 01062 Dresden, Germany

d FORTH/ICE-HT, P.O. Box 1414, 26504 Patras, Greece

Abstract

Sulfur-doped porous carbon nanosheets have been prepared by pyrolysis of graphene-coupled conjugated microporous polymers under an inert atmosphere. The obtained carbon nanosheets exhibited large specific surface areas up to 642 m2 g−1 and high sulfur weight content up to 7.11%. These highly porous carbon nanosheets have been studied as metal-free oxygen reduction electrocatalysts in alkaline environments and they were found to undergo oxygen reduction via a major 4-electron transfer pathway. They were then examined as substitutes for Pt–carbon electrocatalysts in PhotoFuelCells functioning in the presence of ethanol as a model fuel. It has been shown that sulfur doped porous carbon nanosheets yield functional cells with approximately the same characteristics as those employing Pt–carbon electrocatalysts, therefore, they mark a new class of metal-free catalysts.

Graphical abstract: Sulfur-doped porous carbon nanosheets as high performance electrocatalysts for PhotoFuelCells

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Article information

DOI
https://doi.org/10.1039/C5RA02027A
Article type
Paper
Submitted
02 Feb 2015
Accepted
12 Mar 2015
First published
12 Mar 2015
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2015,5, 27953-27963

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Sulfur-doped porous carbon nanosheets as high performance electrocatalysts for PhotoFuelCells

S. Sfaelou, X. Zhuang, X. Feng and P. Lianos, RSC Adv., 2015, 5, 27953 DOI: 10.1039/C5RA02027A

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