Enlarging {110} exposed facets of anatase TiO2 by the synergistic action of capping agents†
Abstract
Anatase TiO2 microcrystals containing ∼15% highly reactive {110} facets were successfully synthesized by a one-step hydrothermal method, in which H2O2, HF, and Cl− ions showed a synergistic effect on the formation of {110} facets. Benefiting from the surface heterojunction structure, TiO2 microcrystals with {110} facets showed an enhanced photocatalytic activity for dye degradation.