Self-Assembled Hierarchical Bi2WO6 Microspheres for Effective Photocatalytic Cr(VI) Reduction and H2 Evolution

Jin Chung Sin; Jin Han Tan; Sze Mun Lam; Hong Hu Zeng

doi:10.4028/p-q8Qy38

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HomeMaterials Science ForumMaterials Science Forum Vol. 1132Self-Assembled Hierarchical Bi2WO6 Microspheres...

Self-Assembled Hierarchical Bi₂WO₆ Microspheres for Effective Photocatalytic Cr(VI) Reduction and H₂ Evolution

Abstract:

Self-assembled hierarchical Bi₂WO₆ microsphere was synthesized via a facile hydrothermal method. The fabricated Bi₂WO₆ exhibited up to 85.3% Cr(VI) reduction efficacy which was much greater than that of commercially available P25 TiO₂ nanoparticles. Furthermore, Bi₂WO₆ microsphere also produced about 1.5-fold greater H₂ quantity in water splitting compared to P25 TiO₂. The photocatalytic enhancement of Bi₂WO₆ microsphere was ascribed to its unique hierarchical porous architecture and large surface area which can improve the charge carrier quantities for redox reactions. The present study could be useful for fabricating Bi₂WO₆ photocatalyst with improved performance in environmental remediation and renewable energy applications.

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Periodical:

Materials Science Forum (Volume 1132)

Pages:

73-78

DOI:

https://doi.org/10.4028/p-q8Qy38

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Online since:

November 2024

Authors:

Jin Chung Sin*, Jin Han Tan, Sze Mun Lam, Hong Hu Zeng

Keywords:

Bi₂WO₆ Microspheres, Cr(VI) Reduction, H₂ Evolution, Photocatalysis

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* - Corresponding Author

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