Nanoscale halide perovskites for photocatalytic CO<sub>2</sub> reduction: product selectivity, strategies implemented, and charge-carrier separation

Wang, Zhe; Mak, Chun Hong; Feng, Jianpei; Shen, Hsin-Hui; Han, Bin; Santoso, Shella Permatasari; Yuan, Mingjian; Li, Fang-Fang; Song, Haisheng; Lee, Duu-Jong; Colmenares, Juan Carlos; Hsu, Hsien-Yi

doi:10.1039/d4ta02446j

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta02446j

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Nanoscale halide perovskites for photocatalytic CO₂ reduction: product selectivity, strategies implemented, and charge-carrier separation

Zhe Wang,

Chun Hong Mak,

Jianpei Feng

et al.

Abstract: The over-use of fossil fuels leads to a sharp increase in atmospheric concentrations of carbon dioxide (CO2), which seriously contributes to the energy crisis and climate problems. The direct transformation...

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Cited by 2 publications

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Unlocking Interfacial Interactions of In Situ Grown Multidimensional Bismuth‐Based Perovskite Heterostructures for Photocatalytic Hydrogen Evolution

Feng,

Mak,

Jia

et al. 2024

Advanced Energy Materials

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To combat the energy crisis and environmental pollution, developing renewable energy technology such as hydrogen (H2) production is necessary. The sulfur–iodine thermochemical cycle has high commercial potential in conducting hydrogen iodide (HI) splitting for H2 generation, but it requires high‐temperature conditions. In comparison, photocatalytic HI splitting of halide perovskites is non‐polluted and low‐cost for H2 production at room temperature. Herein, an in situ constructed multidimensional bismuth (Bi)‐based 3D/2D EDABiI5/MA3Bi2I9 perovskite heterojunction is developed first by synergistically integrating dimensionality control with heterostructure engineering. Accordingly, the optimal EDABiI5/MA3Bi2I9 without any co‐catalysts exhibits the H2 evolution rate of 213.63 µmol h−1g−1 under irradiation. Equally importantly, interfacial dynamics of solid/solid and solid/liquid interfaces play a crucial role in photocatalytic performance. Therefore, using temperature‐dependent transient photoluminescence and electrochemical voltammetric techniques, it is confirmed that the exciton transportation of EDABiI5/MA3Bi2I9 is accelerated by stronger electronic coupling arising from an enhanced overlap of electronic wavefunctions. Moreover, the effective diffusion coefficient and electron transfer rate of EDABiI5/MA3Bi2I9 demonstrate efficient heterogeneous electron transfer, resulting in improved photocatalytic hydrogen production. Consequently, the in situ formation of perovskite heterostructures studied by a combination of photophysical and electrochemical techniques provides new insights into green hydrogen evolution and interfacial interaction dynamics for commercial applications of solar‐to‐fuel technology.

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Unlocking Interfacial Interactions of In Situ Grown Multidimensional Bismuth‐Based Perovskite Heterostructures for Photocatalytic Hydrogen Evolution

Feng,

Mak,

Jia

et al. 2024

Advanced Energy Materials

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Recent Advances in Metal Halide Perovskites for CO₂ Photocatalytic Reduction: An Overview and Future Prospects

Lv,

Guo,

Zhu

et al. 2024

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The photocatalytic reduction of CO2 into valuable chemicals and fuels has become a significant research focus in recent years due to its environmental sustainability and energy efficiency. Metal halide perovskites (MHPs), renowned for their remarkable optoelectronic properties and tunable structures, are regarded as promising photocatalysts. Yet, their practical uses are constrained by inherent instability, severe electron–hole recombination, and a scarcity of active sites, prompting substantial research efforts to optimize MHP‐based photocatalysts. This review summarizes the latest advancements in MHP‐based photocatalysis. First the fundamental principles of photocatalysis are outlined and the structural and optical characteristics of MHPs are evaluated. Then key strategies for enhancing MHP photocatalysts, including morphology and surface modification, encapsulation, metal cation doping, heterojunction engineering, and molecular immobilization are highlighted. Finally, considering recent research progress and the needs for industrial application, challenges and future prospects are explored. This review aims to support researchers in the development of more efficient and stable MHP‐based photocatalysts.

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Nanoscale halide perovskites for photocatalytic CO₂ reduction: product selectivity, strategies implemented, and charge-carrier separation

Abstract: The over-use of fossil fuels leads to a sharp increase in atmospheric concentrations of carbon dioxide (CO2), which seriously contributes to the energy crisis and climate problems. The direct transformation...

Cited by 2 publications

References 188 publications

Unlocking Interfacial Interactions of In Situ Grown Multidimensional Bismuth‐Based Perovskite Heterostructures for Photocatalytic Hydrogen Evolution

Unlocking Interfacial Interactions of In Situ Grown Multidimensional Bismuth‐Based Perovskite Heterostructures for Photocatalytic Hydrogen Evolution

Recent Advances in Metal Halide Perovskites for CO₂ Photocatalytic Reduction: An Overview and Future Prospects

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Nanoscale halide perovskites for photocatalytic CO2 reduction: product selectivity, strategies implemented, and charge-carrier separation

Abstract: The over-use of fossil fuels leads to a sharp increase in atmospheric concentrations of carbon dioxide (CO2), which seriously contributes to the energy crisis and climate problems. The direct transformation...

Cited by 2 publications

References 188 publications

Unlocking Interfacial Interactions of In Situ Grown Multidimensional Bismuth‐Based Perovskite Heterostructures for Photocatalytic Hydrogen Evolution

Unlocking Interfacial Interactions of In Situ Grown Multidimensional Bismuth‐Based Perovskite Heterostructures for Photocatalytic Hydrogen Evolution

Recent Advances in Metal Halide Perovskites for CO2 Photocatalytic Reduction: An Overview and Future Prospects

Contact Info

Product

Resources

About

Nanoscale halide perovskites for photocatalytic CO₂ reduction: product selectivity, strategies implemented, and charge-carrier separation

Recent Advances in Metal Halide Perovskites for CO₂ Photocatalytic Reduction: An Overview and Future Prospects