Author
Jiacheng Yang
Bio: Jiacheng Yang is an academic researcher from Southwest University of Science and Technology. The author has contributed to research in topics: Tetragonal crystal system & Epitaxy. The author has co-authored 2 publications.
Papers
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TL;DR: In this article, the tetragonal distortion of CoO6 octahedra results in a decrease of ΔCF as well as Eg, enhancing the photoconductive performance of LaCoO3 thin films.
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TL;DR: In this paper, the synergistic effect of biaxially tensile strain and doping yttrium on the structural distortion and photoconductive process of the La1-xYxCoO3 films has been investigated.
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TL;DR: In this article , the bending state of LSCO thin film was changed by directly applying mechanical bending, and the curvature diameter of the catalytic electrode was directly controlled, which showed that the OER activity of the LSCo thin film electrode considerably improved under an in situ strain of only ∼ 0.24%.
Abstract: Cobaltate has multiple valence states of 3d orbitals, and its oxygen evolution reaction (OER) performance can be adjusted by adjusting the oxygen concentration, internal electronic structure and connection between the lattice to afford superior OER activity. Therefore, cobaltate is considered a promising OER catalyst in alkaline media. Herein, the bending state of LSCO thin film was changed by directly applying mechanical bending, and the curvature diameter of the catalytic electrode was directly controlled. The results show that the OER activity of the LSCO thin film electrode considerably improved under an in situ strain of only ∼0.24%. It also showed that the volcanic trend in OER performance involves two parameters: the tolerance factor of Co and activation energy of oxygen.