One-step method to control the temperature of S and Mo source and its effect on the size and morphology of MoS2

• Published in: Ferroelectrics Vol. 615; no. 1; pp. 445 - 452
• Main Authors: Zhang, Y, Zhai, Y J, Li, J H, Chu, X Y, Fang, W H
• Format: Journal Article
• Language: English
• Published: Philadelphia Taylor & Francis Ltd 01.01.2023
• Subjects: Control methods; Energy consumption; Low temperature; Molybdenum; Molybdenum disulfide; Monolayers; Optical properties; Temperature; Temperature control; Tube furnaces; Two dimensional materials; Vulcanization
• ISSN: 0015-0193; 1563-5112
• DOI: 10.1080/00150193.2023.2262647

Molybdenum disulfide (MoS2) is a typical two-dimensional material, which is widely used in many fields because of its excellent electrical and optical properties. In recent years, the high-quality growth of MoS2 has attracted more and more attention from researchers. Many studies have reported a two-step method for the production of MoS2 by pre-deposition of molybdenum (Mo) source and then vulcanization, which is cumbersome and time-consuming, and the preparation temperature is mostly above 800 °C, increasing energy consumption and experimental risk. In this paper, S source and Mo source can be distinguished by double temperature zone tube furnace to prepare MoS2 material in one-step method. The temperatures of S and Mo sources were designed separately, and the effect of each temperature on the quality of MoS2 was investigated. And the monolayer MoS2 with high crystalline quality was obtained at a S source temperature of 165 °C and a Mo source temperature of 680 °C. We produce MoS2 in one-step method at low temperature, which provides a reference for the synthesis of high-quality monolayer MoS2.