Synergistic effects of Au and PdO<sub><i>x</i></sub> on the solar-assisted catalytic ozonation of VOCs

Gao, Junxian; Shen, Zhizhang; Dong, Yuming; Wang, Zhenyu; Lyu, Jinze; Li, Ji; Yu, Han‐Qing

doi:10.1039/d3ta00562c

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta00562c

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Synergistic effects of Au and PdO_x on the solar-assisted catalytic ozonation of VOCs

Junxian Gao

Zhizhang Shen

Yuming Dong

et al.

Abstract: Solar-assisted catalytic ozonation is a low-consumption and high-efficiency strategy for removing low-concentration VOCs. In this work, we coloaded Au and Pd on CeO2 to enhance photo-assisted catalytic ozonation performance through...

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Cited by 6 publications

References 51 publications

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Core–Shell–Satellite Au@CeO₂–Pd Plasmonical Photocatalysts for Suzuki–Miyaura Coupling Reaction

Zhao,

Liu,

Liu

et al. 2024

Applied Organom Chemis

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Integration of localized surface plasmon resonance (LSPR) metallic nanocrystals into photocatalysis is an intriguing approach for light‐driven organic transformations. However, uncertain direction of hot carriers is a grand challenge, which fails to take full advantage of the LSPR excitation. In this work, core–shell gold@ceria nanosphere–supported segregated palladium species (Au@CeO2–Pd) have developed to steer the light absorption capability and charge carrier migration. Under simulated solar light irradiation, the core–shell–satellite Au@CeO2–Pd exhibited efficient light harvesting and colossal activity in the Suzuki coupling reaction. The plasmon‐induced hot electrons overpassed the Schottky barrier at the Au@CeO2 interfaces and migrated from Au core to CeO2 shell accordingly. Subsequently, the photogenerated electrons and hot electrons migrated from Au@CeO2 core–shells to Pd, which acted as an electron acceptor. Detailed photocatalytic mechanism studies revealed that both photoexcited electrons and holes were the main active species involved in the photocatalytic Suzuki coupling reaction process. In particular, the diphenyl yield over Au@CeO2–Pd catalyst was ~1.7 times higher than that of core–shell–satellite Au@SiO2–Pd, where a 19‐nm‐thick SiO2 shell was introduced to prevent the migration of hot electrons. This distinctly certified that the hot electrons transfer in the core–shell–satellite Au@CeO2–Pd under illumination played an important role to drive Suzuki reaction. Overall, this design of core–shell–satellite Au@CeO2–Pd plasmonic photocatalyst has the potential in the field of photo‐driven organic transformations.

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Core–Shell–Satellite Au@CeO₂–Pd Plasmonical Photocatalysts for Suzuki–Miyaura Coupling Reaction

Zhao,

Liu,

Liu

et al. 2024

Applied Organom Chemis

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Application of modified cerium dioxide for photocatalytic air pollution purification

Zhu,

Tian,

Wang

et al. 2024

Rare Met.

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Uncovering the role of unsaturated coordination defects in manganese oxides for concentrated solar-heating photothermal OVOCs oxidation: Experimental and DFT explorations

Mo,

Zhao,

Huang

et al. 2024

Applied Catalysis B: Environmental

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Synergistic effects of Au and PdO_x on the solar-assisted catalytic ozonation of VOCs

Abstract: Solar-assisted catalytic ozonation is a low-consumption and high-efficiency strategy for removing low-concentration VOCs. In this work, we coloaded Au and Pd on CeO2 to enhance photo-assisted catalytic ozonation performance through...

Cited by 6 publications

References 51 publications

Core–Shell–Satellite Au@CeO₂–Pd Plasmonical Photocatalysts for Suzuki–Miyaura Coupling Reaction

Core–Shell–Satellite Au@CeO₂–Pd Plasmonical Photocatalysts for Suzuki–Miyaura Coupling Reaction

Application of modified cerium dioxide for photocatalytic air pollution purification

Uncovering the role of unsaturated coordination defects in manganese oxides for concentrated solar-heating photothermal OVOCs oxidation: Experimental and DFT explorations

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Synergistic effects of Au and PdOx on the solar-assisted catalytic ozonation of VOCs

Abstract: Solar-assisted catalytic ozonation is a low-consumption and high-efficiency strategy for removing low-concentration VOCs. In this work, we coloaded Au and Pd on CeO2 to enhance photo-assisted catalytic ozonation performance through...

Cited by 6 publications

References 51 publications

Core–Shell–Satellite Au@CeO2–Pd Plasmonical Photocatalysts for Suzuki–Miyaura Coupling Reaction

Core–Shell–Satellite Au@CeO2–Pd Plasmonical Photocatalysts for Suzuki–Miyaura Coupling Reaction

Application of modified cerium dioxide for photocatalytic air pollution purification

Uncovering the role of unsaturated coordination defects in manganese oxides for concentrated solar-heating photothermal OVOCs oxidation: Experimental and DFT explorations

Contact Info

Product

Resources

About

Synergistic effects of Au and PdO_x on the solar-assisted catalytic ozonation of VOCs

Core–Shell–Satellite Au@CeO₂–Pd Plasmonical Photocatalysts for Suzuki–Miyaura Coupling Reaction

Core–Shell–Satellite Au@CeO₂–Pd Plasmonical Photocatalysts for Suzuki–Miyaura Coupling Reaction