李亞飛教授和蘭亞乾教授課題組合作在ANGEWANDTE CHEMIE-INTERNATIONAL EDITION發(fā)表研究論文
Exploring the Performance Improvement of the Oxygen Evolution Reaction in a Stable Bimetal-Organic Framework System
Wang, XL (Wang, Xiao-Li)[ 1 ] ; Dong, LZ (Dong, Long-Zhang)[ 1 ] ; Qiao, M (Qiao, Man)[ 1 ] ; Tang, YJ (Tang, Yu-Jia)[ 1 ] ; Liu, J (Liu, Jiang)[ 1 ] ; Li, YF (Li, Yafei)[ 1 ]*（李亞飛） ; Li, SL (Li, Shun-Li)[ 1 ] ; Su, JX (Su, Jia-Xin)[ 1 ] ; Lan, YQ (Lan, Ya-Qian)[ 1 ]*（蘭亞乾）
[ 1 ] Nanjing Normal Univ, Sch Chem & Mat Sci, Jiangsu Collaborat Innovat Ctr Biomed Funct Mat, Jiangsu Key Lab New Power Batteries, 1 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION，201807,57(31),9660-9664
Despite wide applications of bimetallic electrocatalysis in oxygen evolution reaction (OER) owing to their superior performance, the origin of the improved performance remains elusive. The underlying mechanism was explored by designing and synthesizing a series of stable metal-organic frameworks (MOFs: NNU-21-24) based on trinuclear metal carboxylate clusters and tridentate carboxylate ligands. Among the examined stable MOFs, NNU-23 exhibits the best OER performance; particularly, compared with monometallic MOFs, all the bimetallic MOFs display improved OER activity. DFT calculations and experimental results demonstrate that introduction of the second metal atom can improve the activity of the original atom. The proposed model of bimetallic electrocatalysts affecting their OER performance can facilitate design of efficient bimetallic catalysts for energy storage and conversion, and investigation of the related catalytic mechanisms.
文章鏈接：
https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201803587
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