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Oxide-Modified Nickel Photocatalyst for the Production of Hydrocarbons in Visible Light

Metallic nickel nanostructures that were partially decorated by discrete nickel oxide layers were fabricated by in situ reduction of calcinated Ni-containing layered double hydroxide nanosheets, the structure of which was confirmed by extended X-ray absorption fine structure spectroscopy, X-ray photoelectron spectroscopy, and transmission electron microscopy. The existence of the abundant interfaces between the surface Ni oxide overlayer and metallic Ni altered the geometric/electronic structure of the Ni nanoparticles, making them apt for CO activation under light irradiation. Most importantly, the unique structure favors the C−C coupling reaction on its surface, which confers the catalyst unexpected reaction power towards higher hydrocarbons at moderate reaction conditions. This study leads to a green and sustainable approach for the photocatalytic production of highly valuable chemical fuels.



原文链接:http://onlinelibrary.wiley.com/doi/10.1002/anie.201511334/epdf

中文报道N(iO修饰Ni纳米颗粒可见光催化制备高级烃类)链接:http://news.sciencenet.cn//htmlpaper/20163151414457938928.shtm

发布日期:2016/03/16 发布者: 点击数: