Scholarlink

Harnessing solar energy to convert CO2 into valuable fuels and chemicals offers a promising approach to alleviating global energy and environmental issues. Recently, halide perovskites (HPs) have emerged as effective catalysts for photocatalytic CO2 reduction, owing to their remarkable photoelectronic properties and cost-effective solution processing. In particular, lead-free HPs (LFHPs) have gained significant attention due to lower toxicity and improved stability than lead-containing counterparts. This chapter provides a comprehensive overview of recent advancements in LFHP-based CO2 photoreduction. The fundamentals of photocatalytic CO2 reduction are first elaborated, followed by articulating the structure, properties, and classification of LFHPs. The synthesis and morphology regulation of LFHPs and theoretical modeling related to CO2 reduction are also discussed. Subsequently, the recent progress in LFHP-based CO2 photoreduction is systematically examined and critically appraised. Considering the unique advantages and limitations of LFHPs, this chapter concludes with a personal perspective on current challenges and outlines potential opportunities for advancing LFHPs in CO2 photoreduction applications.

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State of the Art and Prospects for Lead-Free Halide Perovskites in Photocatalytic CO2 Reduction

  • 章节

  • 发表日期：

    2025年

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  • Chunhua Wang,
  • Zhirun Xie,
  • Ning Han,
  • Yang Ding,
  • Bao-Lian Su,
  • Yun Hau Ng

摘要

Harnessing solar energy to convert CO2 into valuable fuels and chemicals offers a promising approach to alleviating global energy and environmental issues. Recently, halide perovskites (HPs) have emerged as effective catalysts for photocatalytic CO2 reduction, owing to their remarkable photoelectronic properties and cost-effective solution processing. In particular, lead-free HPs (LFHPs) have gained significant attention due to lower toxicity and improved stability than lead-containing counterparts. This chapter provides a comprehensive overview of recent advancements in LFHP-based CO2 photoreduction. The fundamentals of photocatalytic CO2 reduction are first elaborated, followed by articulating the structure, properties, and classification of LFHPs. The synthesis and morphology regulation of LFHPs and theoretical modeling related to CO2 reduction are also discussed. Subsequently, the recent progress in LFHP-based CO2 photoreduction is systematically examined and critically appraised. Considering the unique advantages and limitations of LFHPs, this chapter concludes with a personal perspective on current challenges and outlines potential opportunities for advancing LFHPs in CO2 photoreduction applications.