Zinc Imidazolate Metal-Organic Frameworks (ZIF-8) for Electrochemical Reduction of CO2 to CO

被引：160

作者：

Wang, Yulin ^{[1
]}

Hou, Pengfei ^{[1
,2
]}

Wang, Zhuo ^{[1
]}

Kang, Peng ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, 29 Zhongguancun East Rd, Beijing, Peoples R China

[2] Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China

来源：

CHEMPHYSCHEM | 2017年 / 18卷 / 22期

关键词：

adsorption; carbon dioxide; electrocatalysis; metal-organic frameworks; ZIF-8; SELECTIVE ELECTROCATALYTIC REDUCTION; IRIDIUM PINCER CATALYST; CARBON-DIOXIDE; AU NANOPARTICLES; THERMAL-CONVERSION; NANOPOROUS CARBON; PD NANOPARTICLES; FORMATE; ELECTRODES; WATER;

D O I：

10.1002/cphc.201700716

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Metal-organic frameworks (MOFs) are regarded as promising materials for CO2 adsorption, which is an important step in CO2 electrochemical reduction. In this work, zeolitic imidazolate framework (ZIF-8) nanomaterials were synthesized with various zinc sources and used as electrocatalysts for CO2 reduction to CO. Among them, ZIF-8, prepared using ZnSO4, delivers the best catalytic activity towards CO2 electroreduction, with 65% CO yield. The main catalytic center can be attributed to the discrete Zn nodes in ZIF-8. Electrolytes are important in increasing the CO selectivity, and NaCl is the best suitable electrolyte due to facile anion exchange.

引用

页码：3142 / 3147

页数：6

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