期刊
MATERIALS
卷 14, 期 24, 页码 -出版社
MDPI
DOI: 10.3390/ma14247590
关键词
chemical vapour deposition; 2D materials; MoS2
Two-dimensional materials like graphene, transition metal dichalcogenides, and boron nitride show great potential for novel applications in sensing and electronic devices; among various methods, chemical vapour deposition is a promising technique for obtaining 2D layers of different materials. Control and reproducibility of synthesis are crucial for driving the development of 2D materials.
Two-dimensional (2D) materials such as graphene, transition metal dichalcogenides, and boron nitride have recently emerged as promising candidates for novel applications in sensing and for new electronic and photonic devices. Their exceptional mechanical, electronic, optical, and transport properties show peculiar differences from those of their bulk counterparts and may allow for future radical innovation breakthroughs in different applications. Control and reproducibility of synthesis are two essential, key factors required to drive the development of 2D materials, because their industrial application is directly linked to the development of a high-throughput and reliable technique to obtain 2D layers of different materials on large area substrates. Among various methods, chemical vapour deposition is considered an excellent candidate for this goal thanks to its simplicity, widespread use, and compatibility with other processes used to deposit other semiconductors. In this review, we explore the chemical vapour deposition of MoS2, considered one of the most promising and successful transition metal dichalcogenides. We summarize the basics of the synthesis procedure, discussing in depth: (i) the different substrates used for its deposition, (ii) precursors (solid, liquid, gaseous) available, and (iii) different types of promoters that favour the growth of two-dimensional layers. We also present a comprehensive analysis of the status of the research on the growth mechanisms of the flakes.
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