Issue 37, 2011

Direct preparation of mesoporous carbon by pyrolysis of poly(acrylonitrile-b-methylmethacrylate) diblock copolymer

Abstract

Direct pyrolysis of self-assembled polyacrylonitrile-block-polymethylmethacrylate (PAN-b-PMMA) diblock copolymer can be a promising route for fabricating an ordered carbon nanostructure. PAN-b-PMMA diblock copolymer was synthesized successfully by atom transfer radical (ATRP) polymerization in DMF at 90 °C with well-controlled molecular weight and narrow polydispersity. The resulting block copolymer self-assembled in the mixture of ethanol and water to form nanoparticles with a narrow size distribution. Furthermore, the high quality of the as-synthesized PAN-b-PMMA block copolymer experienced phase-separation to form a self-assembled nanostructure at 250 °C that was converted to a mesoporous carbon phase after heating at 800 °C. The pyrolyzed carbon product exhibited well-defined nanostructure with a high BET surface area of 860 m2 g−1 and an average mesopore size of 8.1 nm.

Graphical abstract: Direct preparation of mesoporous carbon by pyrolysis of poly(acrylonitrile-b-methylmethacrylate) diblock copolymer

Article information

Article type
Paper
Submitted
03 Mar 2011
Accepted
25 Mar 2011
First published
04 May 2011

J. Mater. Chem., 2011,21, 14226-14230

Direct preparation of mesoporous carbon by pyrolysis of poly(acrylonitrile-b-methylmethacrylate) diblock copolymer

C. T. Nguyen and D. Kim, J. Mater. Chem., 2011, 21, 14226 DOI: 10.1039/C1JM10920K

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