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Synthesis of Sulfur-Doped Graphene from Sulfonated Polystyrene
Abstract:
Herein, sulfonated polystyrene thin film was applied as the precursor to synthesize sulfur (S)-doped graphene via thermal annealing process. S atoms were proved to be successfully doped into the lattice of graphene sheets according to the analyses of high resolution transmission microscopy (HRTM) and the corresponding energy dispersive X-Ray spectroscopy (EDX). The high D band detected in the Raman spectrum of S-doped graphene indicates the large amount of defects was introduced into the lattice of graphene, and the in-plane crystallite sizes were calculated to be ca. 21.7 nm. Our method provides an efficient and simple approach for the synthesis of S-doped graphene, which would promote the research for graphene based devices in widespread applications.
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235-238
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June 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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