二硫化钼
催化作用
石油化工
钼
氢
分子
GSM演进的增强数据速率
吡啶
二硫键
化学
活动站点
海水
材料科学
结晶学
无机化学
计算机科学
有机化学
冶金
地质学
电信
生物化学
海洋学
作者
Hemamala I. Karunadasa,Elizabeth Montalvo,Yujie Sun,Marcin Majda,Jeffrey R. Long,Christopher J. Chang
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2012-02-10
卷期号:335 (6069): 698-702
被引量:1106
标识
DOI:10.1126/science.1215868
摘要
Edging In on MoS 2 Molybdenum disulfide is a widely used catalyst in the petrochemical industry that has recently shown promise for water-splitting applications. Its activity appears to be confined to edge sites with exposed disulfide groups, although the precise geometric details underlying the chemistry remain uncertain. Karunadasa et al. (p. 698 ) prepared a molecular complex modeling one of these edge sites, in which a triangular Mo-S-S unit is supported by metal coordination to five tethered pyridine rings. The molecule was characterized crystallographically and proved robustly active toward electrochemical generation of hydrogen from water, even when applied to crudely filtered seawater.
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