Nanocrystalline mesoporous Ta2O5-based photocatalysts prepared by surfactant-assisted templating sol-gel process for photocatalytic H2 evolution

Typical TEM image of nanocrystalline mesoporous Ta2O5 prepared by surfactant-assisted templating sol-gel process of laurylamine hydrochloride/tantalum pentaethoxide modified with acetylacetone system and calcined at 700 °C for 4 h, exhibiting high photocatalytic H2 evolution activity.