Optimizing the surface state of cobalt-iron bimetallic phosphide via regulating phosphorus vacancies
Shuang Li1, Zhibin Geng1, Xiyang Wang1
1State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University, No. 2699, Qianjin Street, Changchun 130012, China. kkhuang@jlu.edu.cn.
Abstract:
Herein, we successfully regulated phosphorus vacancies in Co0.68Fe0.32P through Ar-plasma treatment. The Ar-plasma treated Co0.68Fe0.32P exhibits a delicate surface state where the surface Co and Fe ions show an unusual electron loss. The unique surface state enhances the oxygen evolving performance of the phosphide.


