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Review Paper

Applied Science and Convergence Technology 2020; 29(6): 133-142

Published online November 30, 2020

https://doi.org/10.5757/ASCT.2020.29.6.133

Copyright © The Korean Vacuum Society.

Synthesis of Large-Scale Transition Metal Dichalcogenides for Their Commercialization

Seoung-Woong Parka , b , Yong Jun Joa , Sukang Baea , Byung Hee Hongb , and Seoung-Ki Leea , *

aFunctional Composite Materials Research Center, Institute of Advanced Composite Materials, Korea Institute of Science and Technology (KIST), Jeonbuk 55324, Republic of Korea
bDepartment of Chemistry, Seoul National University, Seoul 08826, Republic of Korea

Correspondence to:E-mail: sklee@kist.re.kr

Received: October 5, 2020; Revised: October 26, 2020; Accepted: October 29, 2020

Abstract

Transition metal dichalcogenides (TMDC) have been identified as excellent platforms for developing the next-generation commercial flexible logic devices and sensors, owing to their outstanding mechanical, optical, and electrical properties. The TMDCs can be used to produce novel form-factors for wearable electronic devices. Typically, synthesis of large-scale TMDC thin film have been achieved by complexity vacuum-based approach. Therefore, it is essential to develop a simple and effective method to boost-up mass production of TMDC thin films on a large scale upon arbitrary substrates. In this regard, the solution-based TMDC synthesis method is advantageous because it proposes a simplification of the fabrication processes and an easy scaling-up of the material with a non-vacuum system. In this review, we summarize the evolution of the solution-based thin-film preparation and synthesis of the TMDCs; subsequently, we discuss the merits and drawbacks of the recently developed methods to form TMDC thin films directly from the deposited precursor. Finally, we discuss the practical applications of the TMDC thin films, which demonstrate the feasibility of their commercialized applications in electronic devices and sensors.

Keywords: Transition metal dichalcogenide, Large-scale synthesis, Solution-based process, Transistor, Sensor, Hydrogen evolution reaction

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