Issue 30, 2023

Recent progress in the synthesis and physical properties of 2D ternary TMDC-based vertical heterostructures

Abstract

Two-dimensional (2D) vertical heterostructures (HSs) constructed by two vertically stacked layers of binary transition metal dichalcogenides (TMDCs) had been widely researched during the past decade. However, it is still a huge challenge to achieve controllable synthesis of 2D ternary TMDC-based van der Waals (vdW) HSs, which have a significant impact on physical characteristics and device performance. In this review, we will introduce the fundamental characteristics and multifarious preparation strategies of various 2D ternary TMDC-based vdW HSs. Then, this highlight mainly introduces three fabrication strategies of 2D ternary TMDC-based vdW HSs, such as exfoliation, chemical vapor deposition (CVD), and combination method. The latest progress in vdW HS-related novel physical characteristics is summarized, including composition-dependent intralayer/interlayer excitons, stacking-order-dependent photoluminescence (PL) emission, long photocarrier lifetimes, improved electrical properties, and enhanced hydrogen evolution reaction (HER) catalytic activity. Finally, current challenges and prospects in this research field are clarified.

Graphical abstract: Recent progress in the synthesis and physical properties of 2D ternary TMDC-based vertical heterostructures

Article information

Article type
Highlight
Submitted
04 Kho 2023
Accepted
06 Maw 2023
First published
07 Maw 2023

CrystEngComm, 2023,25, 4256-4271

Recent progress in the synthesis and physical properties of 2D ternary TMDC-based vertical heterostructures

Q. An, T. Zhang, F. Chen and W. Su, CrystEngComm, 2023, 25, 4256 DOI: 10.1039/D3CE00562C

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