Orientation-modulated oxygen evolution reaction in epitaxial SrRuO3 films

Shencheng Pan; Lianjin Wei; Junlong Xie; Zhenjie Lu; Jiajia Yuan; Tian Tang; Leichao Meng; Xin Wang; Junwu Zhu; Yongsheng Fu

doi:10.1039/D4CC05379F

Orientation-modulated oxygen evolution reaction in epitaxial SrRuO₃ films†

Shencheng Pan,

^a Lianjin Wei,^a Junlong Xie,^a Zhenjie Lu,^a Jiajia Yuan,^a Tian Tang,^a Leichao Meng,^b Xin Wang,

^a Junwu Zhu

^a and Yongsheng Fu

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China

^b Qinghai Provincial Key Laboratory of Nanomaterials and Technology, Qinghai Minzu University, Xi’ning 81007, China
E-mail: fuyongsheng@njust.edu.cn

Abstract

The SrRuO₃ films were grown on SrTiO₃ using a lattice matching strategy. Scanning electrochemical microscopy imaged local oxygen evolution reaction (OER) performance, exploring the relationship between micro-area activity and the termination layer. Combined with traditional electrochemical methods and DFT calculations, the OER activity was correlated with the electronic structure.

Chemical Communications

Orientation-modulated oxygen evolution reaction in epitaxial SrRuO₃ films†

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Orientation-modulated oxygen evolution reaction in epitaxial SrRuO₃ films

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Chemical Communications