Journal
INFOMAT
Volume 3, Issue 1, Pages 3-21Publisher
WILEY
DOI: 10.1002/inf2.12164
Keywords
2D materials; optoelectronic devices; van der Waals heterostructures; wafer-scale
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Funding
- National Nature Science Foundation of China [21825103]
- Natural Science Foundation of Hubei Province of China [2019CFA002]
- Fundamental Research Funds for the Central University [2019kfyXMBZ018]
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The article reviews the latest research activities on wafer-scale vdWHs and their applications, outlining preparation strategies and applications to showcase their potential in electronic, optoelectronic, and flexible devices fields.
Wafer-scale van der Waals heterostructures (vdWHs), benefitting from the rich diversity in materials available and stacking geometry, precise controllability in devices structure and performance, and unprecedented potential in practical application, have attracted considerable attention in the field of two-dimensional (2D) materials. This article reviews the state-of-the-art research activities that focus on wafer-scale vdWHs and their (opto)electronic applications. We begin with the preparation strategies of vdWHs with wafer size and illustrate them from four key aspects, that is, mechanical-assembly stack, successive deposition, synchronous evolution, and seeded growth. We discuss the fundamental principle, underlying mechanism, advantages, and disadvantages for each strategy. We will then review the applications of large-area vdWHs based devices in electronic, optoelectronic and flexible devices field, unveiling their promising potential for practical application. Ultimately, we will demonstrate the challenges they face and provide some viable solutions on wafer-scale heterostructure synthesis and device fabrication.
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