Advances in the structural engineering of layered bismuth-based semiconductors for visible light-driven photocatalytic water splitting

Tao, Xiaoping; Zhou, Xiaoyuan; Li, Rengui

doi:10.1039/d4cc00455h

Chem. Commun.

2024

DOI: 10.1039/d4cc00455h

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Advances in the structural engineering of layered bismuth-based semiconductors for visible light-driven photocatalytic water splitting

Xiaoping Tao,

Xiaoyuan Zhou,

Rengui Li

Abstract: Hydrogen production via photocatalytic water splitting reaction on semiconductors presents a promising avenue to directly achieve the solar energy conversion and storage. Bismuth-based semiconductors with layered structures, a hierarchical arrangement...

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Cited by 8 publications

References 91 publications

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Surface Hydroxyl‐Assisted BiOBr Nanostructure Evolution for Remarkable Visible Light Photocatalytic Capability

Chen,

Bao

et al. 2024

Energy Tech

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Herein, various BiOBr nanostructures are successfully synthesized using a facile solvothermal method. A series of structural and morphological analyses clearly indicate that due to the nucleation protection provided by KOH and the presence of surface‐absorbed hydroxyl groups, BiOBr transforms from nanosheet microspheres to nanopillow aggregations (BNP) and finally to nanoneedle matrix. The open‐porous nanostructure of the BiOBr nanopillows (BNPs), along with their enhanced visible light absorption capacity and the presence of surface hydroxyls, enables them to adsorb nearly 100% of organic dyes, including rhodamine B (RhB), methylene blue, and methyl red. Furthermore, the BNP exhibits remarkable visible light photocatalytic activity, degrading higher concentrations of RhB in ≈20 min.

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Surface Hydroxyl‐Assisted BiOBr Nanostructure Evolution for Remarkable Visible Light Photocatalytic Capability

Chen,

Bao

et al. 2024

Energy Tech

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Strategic facet engineering of bismuth‐based photocatalysts for the applications in solar‐to‐chemical conversion

Foo,

Chiah,

et al. 2024

InfoScience

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Semiconductor photocatalysis is a promising tactic to simultaneously overcome global warming and the energy crisis as it can directly convert inexhaustible solar energy into clean fuels and valuable chemicals, hence being employed in various energy applications. However, the current performance of photocatalysis is largely impeded by the fast recombination of photogenerated charge carriers and insufficient light absorption. Among various materials, bismuth‐based photocatalysts have stood out as excellent candidates for efficient photocatalysis due to their unique controllable crystal structures and relatively narrow band gap. These features endow the selective exposure of active facets (facet engineering) and wide light absorption range, resulting in tunable photocatalytic activity, selectivity, and stability. Therefore, it is of great potential to use facet‐engineered bismuth‐based photocatalysts for efficient energy applications (e.g., water splitting, CO2 reduction, N2 fixation, and H2O2 production) to achieve sustainable development. Herein, the introduction provides the overview of this research, while the synthesis, modification strategy, and the latest progress of facet‐engineered bismuth‐based photocatalysts in energy application were summarized and highlighted in this review paper. Lastly, the conclusion and outlooks of this topic were concluded to give some insights into the direction and focus of future research.

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Innovations in photocatalytic trifluoromethylation: Role of heterogeneous Bi4NbO8Cl in radical generation

Wang,

Li,

Sun

et al. 2024

Journal of Catalysis

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Advances in the structural engineering of layered bismuth-based semiconductors for visible light-driven photocatalytic water splitting

Abstract: Hydrogen production via photocatalytic water splitting reaction on semiconductors presents a promising avenue to directly achieve the solar energy conversion and storage. Bismuth-based semiconductors with layered structures, a hierarchical arrangement...

Cited by 8 publications

References 91 publications

Surface Hydroxyl‐Assisted BiOBr Nanostructure Evolution for Remarkable Visible Light Photocatalytic Capability

Surface Hydroxyl‐Assisted BiOBr Nanostructure Evolution for Remarkable Visible Light Photocatalytic Capability

Strategic facet engineering of bismuth‐based photocatalysts for the applications in solar‐to‐chemical conversion

Innovations in photocatalytic trifluoromethylation: Role of heterogeneous Bi4NbO8Cl in radical generation

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