Laser-induced oxygen vacancies in FeCo2O4 nanoparticles for boosting oxygen evolution and reduction

Qiu Kang-Wen; Cong Xi; Yan Zhang; Rui Zhang; Zhe Li; Gu-Rong Sheng; Hui Liu; Cun-Ku Dong; Yong-Jun Chen; Xi-Wen Du

doi:10.1039/C9CC04283K

Laser-induced oxygen vacancies in FeCo₂O₄ nanoparticles for boosting oxygen evolution and reduction†

Qiu Kang-Wen,

^a Cong Xi,^a Yan Zhang,^ab Rui Zhang,^a Zhe Li,^a Gu-Rong Sheng,^a Hui Liu,*^a Cun-Ku Dong,^a Yong-Jun Chen*^c and Xi-Wen Du

*^a

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* Corresponding authors

^a Institute of New-Energy Materials, School of Materials Science and Engineering, Tianjin Unviersity, Tianjin 300072, P. R. China
E-mail: liu_hui@tju.edu.cn, xwdu@tju.edu.cn

^b Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA

^c State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
E-mail: yongchen@hainu.edu.cn

Abstract

FeCo₂O₄ nanoparticles with abundant oxygen vacancies were produced by laser fragmentation. The oxygen vacancies can lower the thermodynamic energy barriers as well as accelerate the electron transfer, eventually promoting oxygen evolution and reduction reactions simultaneously.

Chemical Communications

Laser-induced oxygen vacancies in FeCo₂O₄ nanoparticles for boosting oxygen evolution and reduction†

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Laser-induced oxygen vacancies in FeCo₂O₄ nanoparticles for boosting oxygen evolution and reduction

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Chemical Communications