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Preparation of single-crystal metal substrates for growth of high-quality two-dimensional materials

Abstract

Single-crystal metals are promising substrates for epitaxial growth of two-dimensional (2D) materials owing to the absence of grain boundaries and distinctive symmetries. The rich arrangements of atoms on various crystal facets serves as an ideal platform for the cutting-edge research on regulating the structures of as-grown 2D materials. However, it is challenging to obtain large single-crystal metal materials, which hinders the in-depth exploration of single-crystal metal-2D materials interface interactions. This review provides a critical summary of the recent progress towards achieving large-area single-crystal metals via anomalous grain growth and epitaxial deposition. Then, crucial roles of single-crystal metal substrates on controlled growth of 2D materials are highlighted by discussing epitaxial growth of single crystals, rapid and low-temperature preparation, and wrinkle elimination. Finally, perspective into the future research on the preparation of single-crystal metals and 2D materials is provided, which is intended to inspire novel growth frontiers for 2D materials.

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Article information


Submitted
31 Jul 2020
Accepted
30 Sep 2020
First published
03 Oct 2020

Inorg. Chem. Front., 2020, Accepted Manuscript
Article type
Review Article

Preparation of single-crystal metal substrates for growth of high-quality two-dimensional materials

Y. Li, L. Sun, H. Liu, Y. Wang and Z. Liu, Inorg. Chem. Front., 2020, Accepted Manuscript , DOI: 10.1039/D0QI00923G

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