Missing-linker metal-organic frameworks for oxygen evolution reaction

被引：581

作者：

Xue, Ziqian ^{[1
]}

Liu, Kang ^{[2
]}

Liu, Qinglin ^{[1
]}

Li, Yinle ^{[1
]}

Li, Manrong ^{[1
]}

Su, Cheng-Yong ^{[1
]}

Ogiwara, Naoki ^{[3
]}

Kobayashi, Hirokazu ^{[3
,4
]}

Kitagawa, Hiroshi ^{[3
]}

Liu, Min ^{[2
]}

Li, Guangqin ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Chem, Lehn Inst Funct Mat, MOE Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China

[2] Cent S Univ, Sch Phys & Elect, Inst Super Microstruct & Ultrafast Proc Adv Mat, State Key Lab Powder Met, 932 South Lushan Rd, Changsha 410083, Hunan, Peoples R China

[3] Kyoto Univ, Grad Sch Sci, Div Chem, Sakyo Ku, Kitashirakawa Oiwakecho, Kyoto 6068502, Japan

[4] JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 3320012, Japan

来源：

NATURE COMMUNICATIONS | 2019年 / 10卷 / 1期

基金：

国家重点研发计划;

关键词：

HYDROGEN; DEFECTS; SURFACE; ELECTROCATALYSIS; POROSITY; COBALT; UIO-66; MOFS; NI;

D O I：

10.1038/s41467-019-13051-2

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Metal-organic frameworks (MOFs) have been recognized as compelling platforms for the development of miscellaneous applications because of their structural diversity and functional tunability. Here, we propose that the electrocatalytic properties could be well modified by incorporating missing linkers into the MOF. Theoretical calculations suggest the electronic structure of MOFs can be tuned by introducing missing linkers, which improves oxygen evolution reaction (OER) performance of the MOF. Inspired by these aspects, we introduced various missing linkers into a layered-pillared MOF Co-2(OH)(2)(C8H4O4) (termed as CoBDC) to prepare missing-linker MOFs. Transmission electron microscope and synchrotron X-ray measurements confirmed that the missing linkers in the MOF could be introduced and well controlled by our strategy. The self-supported MOF nanoarrays with missing linkers of carboxyferrocene exhibit excellent OER performance with ultralow overpotential of 241 mV at 100 mA cm(-2). This work opens a new prospect to develop efficient MOF-based electro-catalysts by introducing missing linkers.

引用

页数：8

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