Journal
NANO RESEARCH
Volume -, Issue -, Pages -Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-023-6114
Keywords
thermal evaporation; molybdenum disulfide; two-dimensional; memristors; hydrogen evolution reaction
Ask authors/readers for more resources
In this study, a vacuum thermal evaporation system was designed specifically for large-scale preparation of uniform MoS2 thin films. The obtained films showed potential applications in electronic devices and electrocatalysis, and could be patterned using shadow masks.
Two-dimensional (2D) molybdenum disulfide (MoS2) holds great potential for various applications such as electronic devices, catalysis, lubrication, anti-corrosion and so on. Thermal evaporation is a versatile thin film deposition technique, however, the conventional thermal evaporation techniques face challenges in producing uniform thin films of MoS2 due to its high melting temperature of 1375 degrees C. As a result, only thick and rough MoS2 films can be obtained using these methods. To address this issue, we have designed a vacuum thermal evaporation system specifically for large-scale preparation of MoS2 thin films. By using K2MoS4 as the precursor, we achieved reliable deposition of uniform polycrystalline MoS2 thin films with a size of 50 mm x 50 mm and controllable thickness ranging from 0.8 to 2.4 nm. This approach also allows for patterned deposition of MoS2 using shadow masks and sequential deposition of MoS2 and tungsten disulfide (WS2), similar to conventional thermal evaporation techniques. Moreover, we have demonstrated the potential applications of the obtained MoS2 thin films in field effect transistors (FETs), memristors and electrocatalysts for hydrogen evolution reaction (HER).
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available