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Value-added Synthesis of Graphene: Recycling Industrial Carbon Waste into Electrodes for High-Performance Electronic Devices

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Title
Value-added Synthesis of Graphene: Recycling Industrial Carbon Waste into Electrodes for High-Performance Electronic Devices
Author(s)
Seo, H.-K.; Kim, T.-S.; Chibeom Park; Xu, W.; Kangkyun Baek; Bae, S.-H.; Ahn, J.-H.; Kimoon Kim; Hee Cheul Choi; Lee, T.-W.
Publication Date
2015-11
Journal
SCIENTIFIC REPORTS, v.5, no., pp.16710 -
Publisher
NATURE PUBLISHING GROUP
Abstract
We have developed a simple, scalable, transfer-free, ecologically sustainable, value-added method to convert inexpensive coal tar pitch to patterned graphene films directly on device substrates. The method, which does not require an additional transfer process, enables direct growth of graphene films on device substrates in large area. To demonstrate the practical applications of the graphene films, we used the patterned graphene grown on a dielectric substrate directly as electrodes of bottom-contact pentacene field-effect transistors (max. field effect mobility ∼0.36cm2·V-1·s-1), without using any physical transfer process. This use of a chemical waste product as a solid carbon source instead of commonly used explosive hydrocarbon gas sources for graphene synthesis has the dual benefits of converting the waste to a valuable product, and reducing pollution. © 2015, Nature Publishing Group. All rights reserved
URI
http://pr.ibs.re.kr/handle/8788114/2254
DOI
10.1038/srep16710
ISSN
2045-2322
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > Journal Papers (저널논문)
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > Journal Papers (저널논문)
Files in This Item:
H. K. Seo Scientific Reports 2015.pdfDownload

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