Citation: Xi YANG, Chunxiang CHANG, Yingpeng XIE, Yang LI, Yuhui CHEN, Borao WANG, Ludong YI, Zhonghao HAN. Co-catalyst Ni₃N supported Al-doped SrTiO₃: Synthesis and application to hydrogen evolution from photocatalytic water splitting[J]. Chinese Journal of Inorganic Chemistry, ;2025, 41(3): 440-452. doi: 10.11862/CJIC.20240371 shu

Co-catalyst Ni₃N supported Al-doped SrTiO₃: Synthesis and application to hydrogen evolution from photocatalytic water splitting

Xi YANG ¹ ,
Chunxiang CHANG ¹ ,
Yingpeng XIE ^{1, 2,,} ,
Yang LI ¹ ,
Yuhui CHEN ¹ ,
Borao WANG ¹ ,
Ludong YI ² ,
Zhonghao HAN ¹

1.
College of Chemical Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
2.
Key Laboratory of Resources Chemicals and Materials, Ministry of Education, Shenyang 110142, China

Corresponding author: Yingpeng XIE, ypxie@syuct.edu.cn
Received Date: 15 October 2024
Revised Date: 12 January 2025

Figures(8)

Al-doped SrTiO₃ (Al-SrTiO₃) was prepared by the molten salt method, and then the Ni₃N cocatalyst was loaded closely on the Al-SrTiO₃ to obtain Ni₃N /Al-SrTiO₃ material by hydrothermal and gas phase nitrization method. Through fluorescence, impedance, surface photovoltage testing as well as density functional theory calculations, it is found that the photogenerated electrons on Al-SrTiO₃ can quickly transfer to Ni₃N under the effect of Fermi energy difference, effectively promoting the separation of photogenerated carriers on Al-SrTiO₃ and improving the performance hydrogen evolution from water splitting. The photocatalytic hydrogen evolution test results showed that 7%Ni₃N /Al-SrTiO₃ with a loading amount (a mass ratio of Ni to Al-SrTiO₃) of 7% had the highest hydrogen evolution rate, which was 82 times higher than that of Al-SrTiO₃.
- photocatalytic,
- Al-doped SrTiO₃,
- Ni₃N,
- hydrogen evolution reaction
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Co-catalyst Ni₃N supported Al-doped SrTiO₃: Synthesis and application to hydrogen evolution from photocatalytic water splitting