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Catalytic Conversion of Hexagonal Boron Nitride to Graphene for In-Plane Heterostructures

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Title
Catalytic Conversion of Hexagonal Boron Nitride to Graphene for In-Plane Heterostructures
Author(s)
Gwangwoo Kim; Hyunseob Lim; Kyung Yeol Ma; A-Rang Jang; Gyeong Hee Ryu; Minbok Jung; Hyung-Joon Shin; Zonghoon Lee; Hyeon Suk Shin
Publication Date
2015-07
Journal
NANO LETTERS, v.15, no.7, pp.4769 - 4775
Publisher
AMER CHEMICAL SOC
Abstract
Heterostructures of hexagonal boron nitride (h-BN) and graphene have attracted a great deal of attention for potential applications in 2D materials. Although several methods have been developed to produce this material through the partial substitution reaction of graphene, the reverse reaction has not been reported. Though the endothermic nature of this reaction might account for the difficulty and previous absence of such a process, we report herein a new chemical route in which the Pt substrate plays a catalytic role. We propose that this reaction proceeds through h-BN hydrogenation; subsequent graphene growth quickly replaces the initially etched region. Importantly, this conversion reaction enables the controlled formation of patterned in-plane graphene/h-BN heterostructures, without needing the commonly employed protecting mask, simply by using a patterned Pt substrate. © 2015 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/1965
ISSN
1530-6984
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
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