Bio-alcohol induced self-assembly of heterojunctioned TiO2/WO3 composites into a hierarchical yolk–shell structure for photocatalysis

Abstract

In the fabrication of efficient multicomponent semiconductors for photocatalysis, well-defined hierarchical structures and high-quality heterojunctions are still highly desired. A general preparation method was developed for a series of hierarchical TiO₂-based heterojunctions with tailored interior space from solid, core–shell and yolk–shell to fully hollow structures.