Nickel-oxido structure of a water-oxidizing catalyst film

被引:104
作者
Risch, Marcel [1 ]
Klingan, Katharina [1 ]
Heidkamp, Jonathan [1 ]
Ehrenberg, David [1 ]
Chernev, Petko [1 ]
Zaharieva, Ivelina [1 ]
Dau, Holger [1 ]
机构
[1] Free Univ Berlin, FB Phys, D-14195 Berlin, Germany
关键词
ABSORPTION FINE-STRUCTURE; OXYGEN-EVOLVING CATALYST; MANGANESE HYDROUS OXIDES; COORDINATION CHEMISTRY; LANIO3; PEROVSKITE; PHOTOSYSTEM-II; REDUCED FORMS; BOND VALENCE; SPECTROSCOPY; OXIDATION;
D O I
10.1039/c1cc15072c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The atomic structure of an electrodeposited Ni catalyst film is dominated by extensive di-mu-oxido bridging between Ni(III/IV) ions, as revealed by X-ray absorption spectroscopy. The structure is surprisingly similar to that of an analogous Co-based film and colloidal Mn-based catalysts. Structural requirements for water oxidation are discussed.
引用
收藏
页码:11912 / 11914
页数:3
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