Microcrystalline Bi2WO6 co-modified by oxygen vacancies and bismuth metal deposits for the efficient photocatalytic oxidation of nitric oxide

Surfaces and Interfaces, Год журнала: 2025, Номер unknown, С. 106262 - 106262

Опубликована: Март 1, 2025

Язык: Английский

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A Review on Bi₂WO₆‐Based Materials for Photocatalytic CO₂ Reduction

Small, Год журнала: 2024, Номер unknown

Опубликована: Окт. 6, 2024

Abstract Photocatalytic reduction of CO 2 (PCR) technology offers the capacity to transmute solar energy into chemical through an eco‐friendly and efficacious process, concurrently facilitating storage carbon diminution, this innovation harbors significant potential for mitigating shortages ameliorating environmental degradation. Bismuth tungstate (Bi WO 6 ) is distinguished by its robust visible light absorption distinctive perovskite‐type crystal architecture, rendering it highly efficiency in PCR. In recent years, numerous systematic strategies have been investigated synthesis modification Bi enhance photocatalytic performance, aiming achieve superior applications. This review provides a comprehensive latest research progress on based materials field photocatalysis. Firstly, outlining fundamental principles, associated reaction mechanisms pathways Then, strategy ‐based introduced regulation properties. Furthermore, accentuating extant applications reduction, including metal‐Bi , semiconductor‐Bi carbon‐based composites etc. while concludes with examination future landscape challenges faced. hopes serve as effective reference continuous improvement implementation photocatalysts

Язык: Английский

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Usage of Bi–O Channels and Internal Electric Field in Nanosheet/Hollow-Cube Heterojunction for Photocatalytic NO Purification

ACS Applied Nano Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 2, 2025

Catalytic purification of nitrogen oxide (NOx) in the air environment is imperative due to increasingly strict emission regulations. The photocatalytic performance NOx removal often suffers from mobility carriers; therefore, encouraging separation and transfer photogenerated carriers by establishing an internal electric field (IEF) effective strategy. Herein, a simple reduction method successfully synthesized series nanosheet/hollow-cube BiOCl/ZnSn(OH)6 (BOC/ZSH) photocatalysts. Material characterization density-functional theory (DFT) calculations verified that established at BOC/ZSH interface can drive directional migration electrons further accelerate via formation Bi–O channels. maximum NO efficiency optimized catalyst (BOC-15/ZSH) was 53.99%, which 30.16 1.92 times higher than those pure ZSH BOC, respectively. Density functional revealed had abundant active sites for strengthening adsorption activation reactant molecules. Incorporated with situ DRIFTS, explored reaction pathways illustrated heterojunctions could diminish energy barrier oxidation assist nitrate (NO3–). This work lends insights into fabrication pathway analyses highly efficient photocatalysts pollution purification.

Язык: Английский

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Constructing fast charge transfer channels by multi-active sites on Bi2MoO6 photocatalyst enhance NO deep purification and inhibit NO2 generation

Separation and Purification Technology, Год журнала: 2025, Номер unknown, С. 131463 - 131463

Опубликована: Янв. 1, 2025

Язык: Английский

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In3+-doping and oxygen vacancies co-engineering active sites of Bi2WO6 hollow nanospheres to achieve efficient photoreduction of CO2 to CO with nearly 100 % selectivity

Fuel, Год журнала: 2025, Номер 397, С. 135454 - 135454

Опубликована: Апрель 22, 2025

Язык: Английский

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Defects and polarization charge cooperatively optimized Z-scheme NVs-g-C3N4/Bi/BiO1-I heterojunction for full-spectrum catalytic organic pollutants mineralization and NO deep oxidation

Journal of Alloys and Compounds, Год журнала: 2025, Номер unknown, С. 180651 - 180651

Опубликована: Апрель 1, 2025

Язык: Английский

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Fe3+-Induced surface hole generation for selective •OH formation and efficient NO2 Suppression in photocatalytic NO oxidation

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 163634 - 163634

Опубликована: Май 1, 2025

Язык: Английский

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Oxygen Vacancy Sites Enable Efficient Photocatalytic Oxidation of Nitric Oxide: The Role of W/Mo Valence Transition in Bi₂W(Mo)O_6‐x

Advanced Energy Materials, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 5, 2024

Abstract Oxygen vacancy (O v ) sites play a critical role in the activation and deep oxidation of nitric oxide (NO). However, controlling concentration type O remains significant challenge. In this study, Bi 2 W(Mo)O 6‐x is investigated as model system demonstrates that increasing substantially enhances efficiency air NO removal. Increasing concentrations WO MoO improves removal ≈12‐ 11‐fold, respectively, compared to their low‐O counterparts. This enhancement attributed improved adsorption NO/O molecules, better separation transfer photogenerated carriers, increased visible light absorption. Notably, highly stable over ten recycling tests for continuous photooxidation, while shows 43.5% decrease after runs. sustained performance s without changes metal ion valence, unlike , where instability arises from reduction Mo 6+ 4+ . situ DRIFTS reveals possible pathways photooxidation nitrate (NO 3 − ). study provides valuable insights into designing high‐performance, durable catalysts by effectively type, paving way efficient photocatalytic purification technologies.

Язык: Английский

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Self-assembled flower-like spherical Bi2WO6/BiOBr S-scheme heterojunction: Improved charge transfer and excellent photocatalytic activity

Journal of Alloys and Compounds, Год журнала: 2024, Номер 1010, С. 177573 - 177573

Опубликована: Ноя. 14, 2024

Язык: Английский

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Photoredox-promoted from full spectrum photo-driven co-production of dihydroxyacetone and hydrogen peroxide over OV-Bi2O2S/ZnIn2S4 with Bi-S-In bridges

Chemical Engineering Journal, Год журнала: 2024, Номер unknown, С. 155967 - 155967

Опубликована: Сен. 1, 2024

Язык: Английский

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