Crystalline WS2 via Room Temperature, Solution-Phase Synthesis

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• 作者：He ZhangAdam S. Hock
• 刊名：Inorganic Chemistry
• 出版年：2017
• 出版时间：January 3, 2017
• 年：2017
• 卷：56
• 期：1
• 页码：106-109
• 全文大小：330K
• ISSN：1520-510X

文摘

Crystalline tungsten disulfide (WS<sub>2sub>) has been prepared from the reaction of bis(cyclopentadienyl)tungsten dihydride with sulfur at room temperature and ambient pressure in organic solvents. WS<sub>2sub> was characterized by scanning electron microscopy, energy-dispersive X-ray spectroscopy, resonance Raman spectroscopy, transmission electron microscopy, and X-ray absorption spectroscopy, and the resulting WS<sub>2sub> is highly crystalline by X-ray diffraction. The low-temperature synthesis is hypothesized to be a result of highly mobile surface W–Cp groups that are able to facilitate crystallization.