Grain boundary-engineered porous CuO/Co3O4 heterostructure as a pre-catalyst for enhanced oxygen evolution
Pengfeng Li1, Wenqian Zheng1, Min Guo1
1College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes (Ministry of Education), Shandong Normal University, Jinan, Shandong, 250014, P. R. China. xiejf@sdnu.edu.cn.
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In this work, a grain-boundary-engineered porous CuO/Co3O4 heterostructure was fabricated as a dynamic pre-catalyst, where tailored grain boundaries and nanopores facilitate pre-oxidation to activate high-valence species for robust oxygen evolution.
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