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Shin, Hyeon Suk
Lab for Nanomaterials and Nanoanalysis(LNN)
Research Interests
  • Two-dimensional materials, graphene, transition metal dichalcogenides, h-BN, heterostructure

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Large-Scale Graphene Micropatterns via Self-Assembly-Mediated Process for Flexible Device Application

Cited 0 times inthomson ciCited 21 times inthomson ci
Title
Large-Scale Graphene Micropatterns via Self-Assembly-Mediated Process for Flexible Device Application
Author
Kim, TaeYoungKirn, HyeongkeunKwon, Soon WooKim, YenaPark, Won KyuYoon, Dae HoJang, A-RangShin, Hyeon SukSuh, Kwang S.Yang, Woo Seok
Keywords
Evaporation-induced self-assembly; Flexible device applications; Flexible substrate; large-area; Large-scale production; Low voltages; Micropatterns; patterning; Roll to roll; Two layers
Issue Date
201202
Publisher
AMER CHEMICAL SOC
Citation
NANO LETTERS, v.12, no.2, pp.743 - 748
Abstract
We report on a method for the large-scale production of graphene micropatterns by a self-assembly mediated process. The evaporation-induced self-assembly technique was engineered to produce highly ordered graphene patterns on flexible substrates in a simplified and scalable manner. The crossed stripe graphene patterns have been produced over a large area with regions consisting of single- and two-layer graphene. Based on these graphene patterns, flexible graphene-based field effect transistors have been fabricated with an ion-gel gate dielectric, which operates at low voltages of < 2 V with a hole and electron mobility of 214 and 106 cm(2)/V.s, respectively. The self-assembly approach described here may pave the way for the nonlithographic production of graphene patterns, which is scalable to large areas and compatible with roll-to-roll system.
URI
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DOI
http://dx.doi.org/10.1021/nl203691d
ISSN
1530-6984
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