Lithium doped nickel oxide nanocrystals with a tuned electronic structure for oxygen evolution reaction

作者：Xiao, Ziyi; Zhou, Wei; Zhang, Ning^*; Liao, Chengan; Huang, Shicheng; Chen, Guoxin; Chen, Gen; Liu, Min; Liu, Xiaohe; Ma, Renzhi

来源：Chemical Communications, 2021, 57(49): 6070-6073.

DOI：10.1039/d1cc01655e

• CARBON
• NIO

The electronic structure of catalysts influences the electrocatalytic behavior. Herein, the electronic structure of NiO nanocrystals is modified by doping with a small amount of Li+. The Li+ doped NiO nanocrystals show much better OER activity than pristine NiO and LiNiO2, which is a result of tuned Fermi levels, stronger hybridization between Ni 3d and O 2p, and narrowed energy band gap. This work provides a facile strategy to regulate NiO electronic energy bands to promote OER performance.

• 单位
  中国科学院; 天津大学; 中国科学院宁波材料技术与工程研究所; 1