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Imaging the structure of activated carbon using aberration corrected TEM

By Peter J. F. Harris, Z. Liu and Kazu Suenaga

Abstract

The precise atomic structure of activated carbon is unknown, despite its commercial importance. Here we show that the structure of a commercial activated carbon can be imaged directly using aberration corrected transmission electron microscopy. Images are presented both of the as-produced carbon and of the carbon following heat- treatment at 2000°C. In the 2000°C carbon clear evidence is found for the presence of pentagonal rings, suggesting that the carbons have a fullerene-related structure

Publisher: Institute of Physics
Year: 2010
OAI identifier: oai:centaur.reading.ac.uk:19569

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