The absorption edge of TiO 2 thin films can be modified in a large range upon the addition ZnFe 2O 4 nanoparticles and subsequently heat-treatment. The results are analysed and discussed.

• 通过热处理和掺杂纳米ZnFe2O4 可以实现对纳米TiO2 薄膜光吸收边大范围的调制。