Citation: Chenxi Shang, Boxuan Lu, Chongbei Wu, Shuqing Zhou, Luyan Shi, Tayirjan Taylor Isimjan, Xiulin Yang. Inducing electronic rearrangement through Co₃B-Mo₂B₅ catalysts: Efficient dual-function catalysis for NaBH₄ hydrolysis and 4-nitrophenol reduction[J]. Chinese Chemical Letters, ;2025, 36(9): 111152. doi: 10.1016/j.cclet.2025.111152 shu

Inducing electronic rearrangement through Co₃B-Mo₂B₅ catalysts: Efficient dual-function catalysis for NaBH₄ hydrolysis and 4-nitrophenol reduction

a.
Guangxi Key Laboratory of Low Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
b.
Hebei Center for Industrial Energy-saving and Pollution Control Research, Hebei Vocational University of Technology and Engineering, Xingtai 054000, China
c.
Saudi Arabia Basic Industries Corporation (SABIC) at King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia

isimjant@sabic.com

xlyang@gxnu.edu.cn

Received Date: 11 January 2025
Revised Date: 23 March 2025
Accepted Date: 26 March 2025
Available Online: 27 March 2025

Figures(5)

Amorphous bimetallic borides, as a new generation of catalytic nanomaterials with modifiable electronic properties, are of great importance in the design of high-efficiency catalysts for NaBH₄ hydrolysis. This study synthesizes an amorphous Co₃B-Mo₂B₅ catalyst using a self-sacrificial template strategy and NaBH₄ reduction for both NaBH₄ hydrolysis and the reduction of 4-nitrophenol. The catalyst delivers an impressive hydrogen generation rate of 7690.5 mL min⁻¹ g⁻¹ at 25 ℃, coupled with a rapid reaction rate of 0.701 min⁻¹ in the reduction of 4-nitrophenol. The enhanced catalytic performance is attributed to the unique amorphous structure and the electron rearrangement between Co₃B and Mo₂B₅. Experimental and theoretical analyses suggest electron transfer from Co₃B to the Mo₂B₅, with the electron-deficient Co₃B site favoring BH₄⁻ adsorption, while the electron-rich Mo₂B₅ site favoring H₂O adsorption. Furthermore, Co₃B-Mo₂B₅ demonstrated potential for energy applications, delivering a power output of 0.3 V in a hydrogen-air fuel cell.
- Amorphous Co₃B-Mo₂B₅,
- Bimetallic boride,
- NaBH₄ hydrolysis,
- Hydrogen generation,
- 4-Nitrophenol reduction
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Inducing electronic rearrangement through Co3B-Mo2B5 catalysts: Efficient dual-function catalysis for NaBH4 hydrolysis and 4-nitrophenol reduction

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通讯作者: 陈斌, bchen63@163.com

Inducing electronic rearrangement through Co₃B-Mo₂B₅ catalysts: Efficient dual-function catalysis for NaBH₄ hydrolysis and 4-nitrophenol reduction