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<p>Photoelectrochemical (PEC) synthesis presents a transformative strategy for the sustainable production of value-added chemicals by synergistically utilizing light and electrical energy. This approach overcomes critical limitations of standalone photocatalysis and electrocatalysis. The strategic shift from PEC water splitting to synthesizing high-value chemicals (<i>e.g.</i>, fuels, pharmaceuticals, polymers) addresses economic viability and environmental challenges. Key advantages include precise control over reaction pathways <i>via</i> bias/light tuning, enhanced selectivity, and the potential to utilize earth-abundant materials. Despite significant advances in materials and understanding, challenges remain in efficiency, stability, achieving high selectivity in complex reactions, and system scalability. This review discusses the current state of PEC synthesis and the progress needed to advance this technology toward industrial-scale green chemical manufacturing.</p>

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Recent Advances in Photoelectrochemical Synthesis of Value-added Chemicals

  • 期刊论文

  • 发表日期：

    2026年6月20日

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  • Huan Chai,
  • Qi-Yuan Li,
  • Jie-Sheng Chen,
  • Xin-Hao Li

摘要

Photoelectrochemical (PEC) synthesis presents a transformative strategy for the sustainable production of value-added chemicals by synergistically utilizing light and electrical energy. This approach overcomes critical limitations of standalone photocatalysis and electrocatalysis. The strategic shift from PEC water splitting to synthesizing high-value chemicals (e.g., fuels, pharmaceuticals, polymers) addresses economic viability and environmental challenges. Key advantages include precise control over reaction pathways via bias/light tuning, enhanced selectivity, and the potential to utilize earth-abundant materials. Despite significant advances in materials and understanding, challenges remain in efficiency, stability, achieving high selectivity in complex reactions, and system scalability. This review discusses the current state of PEC synthesis and the progress needed to advance this technology toward industrial-scale green chemical manufacturing.