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  High-quality functionalized few-layer graphene: facile fabrication and doping with nitrogen as a metal-free catalyst for the oxygen reduction reaction

Sun, Z., Masa, J., Weide, P., Fairclough, S. M., Robertson, A. W., Ebbinghaus, P., et al. (2015). High-quality functionalized few-layer graphene: facile fabrication and doping with nitrogen as a metal-free catalyst for the oxygen reduction reaction. Journal of Materials Chemistry A, 3(30), 15444-15450. doi:10.1039/c5ta02248g.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-201E-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-201F-8
Genre: Journal Article

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 Creators:
Sun, Zhenyu1, 2, 3, 4, Author              
Masa, Justus5, Author              
Weide, Philipp6, Author              
Fairclough, Simon Michael2, Author              
Robertson, Alex W.7, Author              
Ebbinghaus, Petra8, Author              
Warner, Jamie H.7, Author              
Tsang, S. C. Edman2, Author              
Muhler, Martin9, Author              
Schuhmann, Wolfgang10, Author              
Affiliations:
1Analytische Chemie-Elektroanalytik and Sensorik, Ruhr-Universität Bochum, 44780 Bochum, Germany, ou_persistent22              
2Department of Chemistry, University of Oxford, UK, ou_persistent22              
3Laboratory of Industrial Chemistry, Ruhr-University Bochum, D-44780 Bochum, Germany, ou_persistent22              
4State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China, ou_persistent22              
5Analytische Chemie-Elektroanalytik & Sensorik, Ruhr-University Bochum, D-44780 Bochum, Germany, ou_persistent22              
6Laboratory of Industrial Chemistry, Ruhr-Universität Bochum, Bochum, Germany, ou_persistent22              
7Department of Materials, University of Oxford, UK, ou_persistent22              
8Interface Spectroscopy, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863358              
9Laboratory of Industrial Chemistry, Ruhr Universität Bochum, ou_persistent22              
10Analytische Chemie – Elektroanalytik & Sensorik, Ruhr-Universität Bochum, 44780 Bochum, Germany, ou_persistent22              

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Free keywords: Advanced applications; Covalent functionalizations; Few-layer graphene; Functionalizations; Metal-free catalysts; Oxidation temperature; Oxygen reduction reaction; Surface oxygen functionality
 Abstract: Functionalization of graphene is fundamental to facilitating its processing and offers a wide scope for advanced applications. Here we demonstrate a facile, highly efficient and mild covalent functionalization of graphene using HNO3 vapour. This results in functionalized few-layer graphene (FLG) that is high in both quantity and quality. We fully characterized the structure and defect level of functionalized FLG by X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy and Raman spectroscopy. The results from this analysis show the tunability of the surface oxygen functionalities of FLG achieved through controlling the oxidation temperature without affecting the major intrinsic properties of graphene. This allows for further doping for applications, for example with nitrogen as a metal-free catalyst in the oxygen reduction reaction.

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Language(s): eng - English
 Dates: 2015-08-14
 Publication Status: Published in print
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000358211700011
DOI: 10.1039/c5ta02248g
 Degree: -

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Title: Journal of Materials Chemistry A
  Abbreviation : J. Mater. Chem. A
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 3 (30) Sequence Number: - Start / End Page: 15444 - 15450 Identifier: ISSN: 2050-7488
CoNE: /journals/resource/2050-7488