Compared with pure TiO_2, the light absorption ability of NdPW_ 12 O_ 40 /TiO_2 gets enhanced, and the absorption region extends to long wavelengths by 20 nm.

• 与纯的TiO2相比；复合催化剂吸收光的能力增强；吸收带边向长波方向延伸了20nm.