助催化剂在光解水中的关键作用与设计策略

在光解水制氢的研究中，半导体光催化剂吸收光子产生电子-空穴对只是第一步。这些光生载流子能否有效分离并迁移到表面，参与水的还原与氧化反应，才是决定量子效率的关键。而助催化剂，正是扮演着“催化点”与“电子阱”双重角色的关键组分。

Full visible-light absorption of TiO2 nanotubes induced by anionic S22− doping and their greatly enhanced photocatalytic hydrogen production abilities

Full visible-light absorption of TiO2 nanotubes induced by anionic S22− doping and their greatly enhanced photocatalytic hydrogen production abilities

NiO/Ni/TiO2 nanocables with Schottky/p-n heterojunctions and the improved photocatalytic performance in water splitting under visible light

NiO/Ni/TiO2 nanocables with Schottky/p-n heterojunctions and the improved photocatalytic performance in water splitting under visible light