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Covalent organic frameworks comprising cobalt porphyrins for catalytic CO2 reduction in water | |
Lin, Song1,2; Diercks, Christian S.1,3; Zhang, Yue-Biao1,3,4; Kornienko, Nikolay1; Nichols, Eva M.1,2; Zhao, Yingbo1; Paris, Aubrey R.1; Kim, Dohyung; Yang, Peidong1,3,5,6; Yaghi, Omar M.1,3,6,7 | |
2015-09-11 | |
发表期刊 | SCIENCE |
ISSN | 0036-8075 |
卷号 | 349期号:6253页码:1208-1213 |
发表状态 | 已发表 |
DOI | 10.1126/science.aac8343 |
摘要 | Conversion of carbon dioxide (CO2) to carbon monoxide (CO) and other value-added carbon products is an important challenge for clean energy research. Here we report modular optimization of covalent organic frameworks (COFs), in which the building units are cobalt porphyrin catalysts linked by organic struts through imine bonds, to prepare a catalytic material for aqueous electrochemical reduction of CO2 to CO. The catalysts exhibit high Faradaic efficiency (90%) and turnover numbers (up to 290,000, with initial turnover frequency of 9400 hour(-1)) at pH 7 with an overpotential of -0.55 volts, equivalent to a 26-fold improvement in activity compared with the molecular cobalt complex, with no degradation over 24 hours. X-ray absorption data reveal the influence of the COF environment on the electronic structure of the catalytic cobalt centers. |
收录类别 | SCI |
语种 | 英语 |
资助项目 | DOE[DE-AC02-05CH11231] |
WOS研究方向 | Science & Technology - Other Topics |
WOS类目 | Multidisciplinary Sciences |
WOS记录号 | WOS:000360968400039 |
出版者 | AMER ASSOC ADVANCEMENT SCIENCE |
WOS关键词 | SELECTIVE ELECTROCATALYTIC REDUCTION ; CARBON-DIOXIDE ; ELECTROCHEMICAL REDUCTION ; THIN-FILMS ; MACROCYCLES ; OXIDATION ; NICKEL ; PLANET |
原始文献类型 | Article |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/2631 |
专题 | 物质科学与技术学院_PI研究组_章跃标组 |
通讯作者 | Yaghi, Omar M. |
作者单位 | 1.Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA 2.Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA 3.Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA 4.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China 5.Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA 6.Kavli Energy Nanosci Inst, Berkeley, CA 94720 USA 7.King Fahd Univ Petr & Minerals, Dhahran 34464, Saudi Arabia 8.Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA 9.Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA |
推荐引用方式 GB/T 7714 | Lin, Song,Diercks, Christian S.,Zhang, Yue-Biao,et al. Covalent organic frameworks comprising cobalt porphyrins for catalytic CO2 reduction in water[J]. SCIENCE,2015,349(6253):1208-1213. |
APA | Lin, Song.,Diercks, Christian S..,Zhang, Yue-Biao.,Kornienko, Nikolay.,Nichols, Eva M..,...&Chang, Christopher J..(2015).Covalent organic frameworks comprising cobalt porphyrins for catalytic CO2 reduction in water.SCIENCE,349(6253),1208-1213. |
MLA | Lin, Song,et al."Covalent organic frameworks comprising cobalt porphyrins for catalytic CO2 reduction in water".SCIENCE 349.6253(2015):1208-1213. |
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