MHP-based heterojunctions are designed to promote effective charge separation, which reduces charge carrier recombination and increases photocatalytic efficiency. By passivating surfaces with stable materials, these heterojunctions also improve the durability of MHPs in demanding environments.
The review details the structure and function of various MHP heterojunctions, including Schottky, Type-I/II, Z-scheme, and S-scheme types. These structures offer distinct charge transfer mechanisms and redox properties. Methods for synthesizing the heterojunctions include physical mixing, electrostatic self-assembly, in situ growth, and hybrid techniques to create high-quality interfaces.
Performance highlights include hydrogen production rates reaching 13.6 mmol per gram per hour and CO2 conversion to CO with 90 percent selectivity. The review also summarizes their effectiveness in degrading pollutants and facilitating green organic synthesis reactions under visible light. Mechanistic findings are strengthened by advanced characterization tools and computational modeling.
According to the research team, MHP heterojunctions offer potential in scalable solar hydrogen production, CO2 utilization, environmental remediation, and selective organic transformations. The authors emphasize the importance of further research on interface optimization, long-term stability, sacrificial-agent-free reactions, and multi-electron transfer processes to enable broader applications.
The publication offers a roadmap for advancing MHP-based photocatalysts from laboratory studies to practical solar-to-chemical conversion technologies.
Research Report:Solar-Driven Redox Reactions with Metal Halide Perovskites Heterogeneous Structures
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