催化作用
光催化
金属
镍
Crystal(编程语言)
氧化物
晶体结构
材料科学
无机化学
纳米晶
化学
纳米技术
结晶学
有机化学
冶金
程序设计语言
计算机科学
作者
Wei Yang,Hongjuan Wang,Rui‐Rui Liu,Jia‐Wei Wang,Chao Zhang,Chao Li,Di‐Chang Zhong,Tong‐Bu Lu
标识
DOI:10.1002/anie.202011068
摘要
Abstract It is common that different crystal facets in metal and metal oxide nanocrystals display different catalytic performances, whereas such phenomena have been rarely documented in metal–organic frameworks (MOFs). Herein, we demonstrate for the first time that a nickel metal–organic layer (MOL) exposing rich (100) crystal facets (Ni‐MOL‐100) shows a much higher photocatalytic CO 2 ‐to‐CO activity than the one exposing rich (010) crystal facets (Ni‐MOL‐010) and its bulky counterpart (bulky Ni‐MOF), with a catalytic activity up to 2.5 and 4.6 times more active than Ni‐MOL‐010 and bulky Ni‐MOF, respectively. Theoretical studies reveal that the two coordinatively unsaturated Ni II ions with a close distance of 3.50 Å on the surface of Ni‐MOL‐100 enables synergistic catalysis, leading to more favorable energetics in CO 2 reduction than that of Ni‐MOL‐010.
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