Zr–Al co-doped SrTiO3 with suppressed charge recombination for efficient photocatalytic overall water splitting

Jiwei Cui; Xinmin Yang; Zhongshan Yang; Yanhui Sun; Xin Chen; Xiaolu Liu; Defa Wang; Shaokun Jiang; Lequan Liu; Jinhua Ye

doi:10.1039/D1CC04514H

Zr–Al co-doped SrTiO₃ with suppressed charge recombination for efficient photocatalytic overall water splitting†

Jiwei Cui,^a Xinmin Yang,^a Zhongshan Yang,^a Yanhui Sun,^a Xin Chen,^a Xiaolu Liu,^a Defa Wang,

^a Shaokun Jiang,^b Lequan Liu

*^a and Jinhua Ye

^ac

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* Corresponding authors

^a TJU-NIMS International Collaboration Laboratory, Key Lab of Advanced Ceramics and Machining Technology (Ministry of Education) and Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, P. R. China
E-mail: Lequan.Liu@tju.edu.cn

^b Purification Equipment Research Institute of Handan, Handan 056000, Hebei, China

^c International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan

Abstract

Zr–Al co-doped SrTiO₃ with reduced Ti³⁺ concentration demonstrates more than 2 times enhancement compared with Al-doped SrTiO₃ in photocatalytic overall water splitting. Systematic studies reveal that the co-doping of Zr⁴⁺ can reduce the substitution of Ti⁴⁺ by Al³⁺ and effectively suppress the formation of charge carrier recombination centers (Ti³⁺).

Chemical Communications

Zr–Al co-doped SrTiO₃ with suppressed charge recombination for efficient photocatalytic overall water splitting†

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Zr–Al co-doped SrTiO₃ with suppressed charge recombination for efficient photocatalytic overall water splitting

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