DataVXACS Materials LettersPaper
journal article·2021-02-01Open access

One-Pot Confined Epitaxial Growth of 2D Heterostructure Arrays

Dechao Geng, Ibrahim Abdelwahab, Xiaofei Xiao, Adrian Cernescu, Wei Fu, Vincenzo Giannini, Stefan A. Maier, Lin Li, Wenping Hu, Kian Ping Loh, Hui Ying Yang

ACS Materials Letters· Volume 3· Issue 2
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Source abstract

Abstract

Graphene and hexagonal boron nitride (h-BN) have attracted intensive interests in very recent years because of their unique physical and chemical properties. With similar crystal structures, graphene and h-BN pose great potential for constructing interesting heterostructures. Here, one-pot confined synthesis of large-area graphene/h-BN in-plane heterostructure arrays via sequential edge-epitaxy is first realized on liquid Cu surface. Extensive characterizations confirm the in-plane continuity between graphene and h-BN for the synthesized heterostructures. With increased growth time, the heterostructure arrays can be turned into a uniform centimeter-scale graphene/h-BN monolayer film. Furthermore, the plasmonic characteristics of the heterostructures are investigated and utilized to evaluate the quality of the hybrid structures. Our work demonstrates the designability of CVD process for large-area synthesis of graphene/h-BN heterostructures arrays, which might be generally applied to other 2D materials.
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Research context

Nanomaterials

OpenAlex topics: Graphene research and applications · 2D Materials and Applications · ZnO doping and properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore

Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072 China

Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore

The Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, United Kingdom

Neaspec GmbH, Eglfinger Weg 2, Haar, 85540, Munich Germany

Nanoinstitute Munich, Faculty of Physics, Ludwig-Maximilians-Universität München, 80539 München, Germany

Institute of Molecular Plus, Tianjin University, Tianjin, 300072 China

Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China

Funding

Agency for Science, Technology and Research · National Research Foundation Singapore · National Natural Science Foundation of China

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