硫族元素
堆积
钨化合物
材料科学
亚稳态
过渡金属
纳米技术
钼
范德瓦尔斯力
钨
化学物理
二硫化钼
化学
结晶学
催化作用
冶金
有机化学
生物化学
分子
作者
Jyah Strachan,A. F. Masters,Thomas Maschmeyer
出处
期刊:ACS applied energy materials
[American Chemical Society]
日期:2021-07-28
卷期号:4 (8): 7405-7418
被引量:37
标识
DOI:10.1021/acsaem.1c00638
摘要
Transition metal dichalcogenides (TMDs) of molybdenum and tungsten are layered van der Waals materials that exhibit a rich array of polytypes. The different possible arrangements of the constituents of the “two-dimensional” MX2 sheets (where M = group 4–10 elements, X = chalcogen) give rise to a host of interesting and tunable phenomena. Molybdenite, or molybdenum disulfide (MoS2) in its most abundant and thermodynamically stable form, 2H-MoS2, is perhaps the most widely used TMD, though the potential applications of its metastable polytypes have been recognized only recently. From among the polytypes, the 3R-MoS2 (rhombohedral) phase has attracted the most interest because of its thermodynamic stability, ABC stacking (as opposed to the AA′ of the more common 2H-MoS2), and lack of inversion symmetry. These properties make it an excellent candidate for photonics, optoelectronics, and catalysis. Because the literature on this material is rapidly expanding, this review seeks to summarize the history, known and predicted characteristics, syntheses, and applications, as well as common misconceptions of, and surrounding, 3R-MoS2. Although the review is chemically focused, it includes suggested reading to cover a broader scope.
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