We report for the first time that biomimetic polydopamine (PDA) nanoparticles are catalytically active for formaldehyde (HCHO) reforming into hydrogen (H₂), where O₂ acts as a co-catalyst. The catechol in PDA can activate O₂ molecules to form ˙OOH and semiquinone radicals, which facilitate water dissociation and HCHO decomposition to realize efficient H₂ production. This work offers new insights into the design of organic catalysts for aqueous-phase hydrogen evolution reactions.

中文翻译：

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具有氧化还原活性的仿生聚多巴胺催化剂，用于通过甲醛水溶液重整制氢

我们首次报道了仿生聚多巴胺 (PDA) 纳米粒子对甲醛 (HCHO) 重整为氢 (H ₂ )具有催化活性，其中 O ₂充当助催化剂。PDA中的邻苯二酚可以激活O ₂分子形成˙OOH和半醌自由基，促进水的解离和HCHO分解，从而实现高效的H ₂生产。这项工作为设计用于水相析氢反应的有机催化剂提供了新的见解。