Amorphous CoB layer cooperates with piezoelectric polarization to boost carrier separation of Bi<sub>2</sub>WO<sub>6</sub> for efficient piezo-PEC performance

You, Jingke; Chen, Xingfei; Liu, Zhifeng; Guo, Zhengang; Ruan, Mengnan

doi:10.1039/d3se00721a

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2025

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Cited by 4 publications

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Cooperation of acetate regulating and rGO modification of Bi2WO6 for enhancing the H2O2 photosynthesis coupled with selective glucose oxidation

Zhang,

Qu,

Liang

et al. 2025

Journal of Alloys and Compounds

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Cooperation of acetate regulating and rGO modification of Bi2WO6 for enhancing the H2O2 photosynthesis coupled with selective glucose oxidation

Zhang,

Qu,

Liang

et al. 2025

Journal of Alloys and Compounds

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Ni-Alloyed Co₄N Nanowire Arrays for the Photoassisted Electrochemical Water Oxidation

Long,

Liu,

Wang

et al. 2024

ACS Appl. Nano Mater.

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Photoelectrochemical hydrogen production technology holds promise for directly and swiftly generating green hydrogen, which is pivotal for human welfare; however, it faces challenges posed by the energetically sluggish oxygen evolution reaction (OER). Cobalt-based nitrides are considered excellent photoelectrochemically active in the OER (PEOER) catalysts, and their conductivity and photoconversion efficiency remain relatively low. This paper presents the fabrication of Ni-alloyed Co4N nanowire arrays on carbon cloth ((Co1–x Ni x )4N NWAs/CC) as PEOER catalysts. By analyzing advanced in situ Raman and X-ray photoelectron spectroscopy (XPS) results, we discovered that Ni not only enhances the conductivity of the catalyst but, more importantly, also creates more photoexcited Co2+ OER centers and favors its reconstruction to CoOOH to charge PEOER. Furthermore, nitrogen plays a critical role in transforming pyridinic nitrogen into other forms of nitrogen to stabilize the catalyst’s structure. These advantages endow (Co0.74Ni0.26)4N NWAs/CC with remarkable PEOER enhancement (988%), which drives the standard current density of 10 mA cm–2 with only a 283 mV overpotential along with good durability. This research provides insights into the PEOER mechanisms of cobalt-based transition metal nitrides, providing a way for designing next-generation PEOER catalysts.

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Insight into the Catalytic Mechanism of Ni-Alloyed Co4n Nanowire Arrays Towards Photo-Assisted Electrochemical Water Oxidation

Long,

Liu,

Wang

et al. 2024

Preprint

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Amorphous CoB layer cooperates with piezoelectric polarization to boost carrier separation of Bi₂WO₆ for efficient piezo-PEC performance

Abstract: Poor surface charge reaction efficiency and conductivity limit the further application of Bi2WO6 in piezoelectric photocatalytic water splitting. Here, amorphous cobalt-boron (CoB) layers were deposited on bismuth tungstate nanoplates by...

Cited by 4 publications

References 60 publications

Cooperation of acetate regulating and rGO modification of Bi2WO6 for enhancing the H2O2 photosynthesis coupled with selective glucose oxidation

Cooperation of acetate regulating and rGO modification of Bi2WO6 for enhancing the H2O2 photosynthesis coupled with selective glucose oxidation

Ni-Alloyed Co₄N Nanowire Arrays for the Photoassisted Electrochemical Water Oxidation

Insight into the Catalytic Mechanism of Ni-Alloyed Co4n Nanowire Arrays Towards Photo-Assisted Electrochemical Water Oxidation

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Amorphous CoB layer cooperates with piezoelectric polarization to boost carrier separation of Bi2WO6 for efficient piezo-PEC performance

Abstract: Poor surface charge reaction efficiency and conductivity limit the further application of Bi2WO6 in piezoelectric photocatalytic water splitting. Here, amorphous cobalt-boron (CoB) layers were deposited on bismuth tungstate nanoplates by...

Cited by 4 publications

References 60 publications

Cooperation of acetate regulating and rGO modification of Bi2WO6 for enhancing the H2O2 photosynthesis coupled with selective glucose oxidation

Cooperation of acetate regulating and rGO modification of Bi2WO6 for enhancing the H2O2 photosynthesis coupled with selective glucose oxidation

Ni-Alloyed Co4N Nanowire Arrays for the Photoassisted Electrochemical Water Oxidation

Insight into the Catalytic Mechanism of Ni-Alloyed Co4n Nanowire Arrays Towards Photo-Assisted Electrochemical Water Oxidation

Contact Info

Product

Resources

About

Amorphous CoB layer cooperates with piezoelectric polarization to boost carrier separation of Bi₂WO₆ for efficient piezo-PEC performance

Ni-Alloyed Co₄N Nanowire Arrays for the Photoassisted Electrochemical Water Oxidation