Spin-polarized charge separation in In2O3 hollow spheres for efficiently boosting photo-driven CO2 hydrogenation

Dawei Liu; Zhengdao Li; Zhisheng Shi; Zhe Lu; Yongcai Zhang; San Zhang; Lu Wang; Chunfeng Zhang; Zhigang Zou; Yong Zhou

doi:10.1039/D5CC01496D

Spin-polarized charge separation in In₂O₃ hollow spheres for efficiently boosting photo-driven CO₂ hydrogenation†

Dawei Liu,^a Zhengdao Li,

*^b Zhisheng Shi,*^c Zhe Lu,

^d Yongcai Zhang,

^e San Zhang,^a Lu Wang,

^c Chunfeng Zhang,^a Zhigang Zou^ad and Yong Zhou

*^ad

Author affiliations

* Corresponding authors

^a Key Laboratory of Modern Acoustics (MOE), Institute of Acoustics, School of Physics, Eco-materials and Renewable Energy Research Center (ERERC), Jiangsu Key Laboratory of Nanotechnology, National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
E-mail: zhouyong1999@nju.edu.cn

^b Chemistry and Pharmaceutical Engineering College, Engineering Technology Research Center of Henan Province for Solar Catalysis, Nanyang Normal University, Nanyang, Henan 473061, P. R. China
E-mail: nylzd@nynu.edu.cn

^c School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui, P. R. China
E-mail: shizhisheng@ahpu.edu.cn

^d School of Science and Engineering, The Chinese University of Hongkong (Shenzhen), Shenzhen, Guangdong, P. R. China

^e School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, P. R. China

Abstract

A highly surface O-defected hollow In₂O₃ sphere was facilely synthesized. These defects induce ferromagnetism, introducing spin polarization that enhances photogenerated charge separation and transfer efficiency, extends carrier lifetimes, and ultimately boosts photo-driving CO₂ hydrogenation with H₂ into CO with a production rate of 21.28 mmol h⁻¹ g⁻¹, a ∼4000-fold enhancement over commercial In₂O₃.

Chemical Communications

Spin-polarized charge separation in In₂O₃ hollow spheres for efficiently boosting photo-driven CO₂ hydrogenation†

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Spin-polarized charge separation in In₂O₃ hollow spheres for efficiently boosting photo-driven CO₂ hydrogenation

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