Issue 45, 2012
From the journal:

Journal of Materials Chemistry

Thermolytic synthesis of graphitic boron carbon nitride from an ionic liquid precursor: mechanism, structure analysis and electronic properties

Tim-Patrick Fellinger,*a   Dang Sheng Su,b   Markus Engenhorst,c   Devendraprakash Gautam,c   Robert Schlöglb  and  Markus Antoniettia  

* Corresponding authors

a Max-Planck-Institute of Colloids and Interfaces, Department of Colloid Chemistry, Am Mühlenberg 1, 14424 Potsdam-Golm, Germany
E-mail: Fellinger@mpikg.mpg.de

b Fritz-Haber-Institut, Department of Inorganic Chemistry, D-14195 Berlin, Germany

c University of Duisburg-Essen, Faculty of Engineering and Center for Nanointegration Duisburg-Essen (CeNIDE), D-47057 Duisburg, Germany

Abstract

Recent work has shown the potential of ionic liquids (ILs) as a precursor for porous networks and nitrogen doped carbon materials. The combination of liquid state and negligible vapour pressure represents almost ideal precursor properties and simplifies the processing drastically. Here, we extend this work to get a deeper insight into the solid formation mechanism and to synthesize a mixed boron carbon nitride species by the thermolysis of N,N′-ethylmethylimidazolium tetracyanoborate (EMIM-TCB), a well-known boron- and nitrogen-containing IL. In contrast to other molecule pyrolysis routes boron carbon nitride shows the average composition “BC3N” and like other IL-derived materials turns out to be distorted graphitic, but thermally and chemically very stable, and possesses favourable electrical properties. The detailed mechanistic investigation using TG-IR, FT-IR, solid-state NMR, Raman, WAXS, EELS, XPS and HRTEM also contributes to the general understanding of IL-based material formation mechanisms.

Graphical abstract: Thermolytic synthesis of graphitic boron carbon nitride from an ionic liquid precursor: mechanism, structure analysis and electronic properties

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Article information

DOI
https://doi.org/10.1039/C2JM34486F
Article type
Paper
Submitted
09 Jul 2012
Accepted
25 Sep 2012
First published
10 Oct 2012

J. Mater. Chem., 2012,22, 23996-24005

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Thermolytic synthesis of graphitic boron carbon nitride from an ionic liquid precursor: mechanism, structure analysis and electronic properties

T. Fellinger, D. S. Su, M. Engenhorst, D. Gautam, R. Schlögl and M. Antonietti, J. Mater. Chem., 2012, 22, 23996 DOI: 10.1039/C2JM34486F

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