Improved Photocatalytic Activity of La3+-Doped Bi2O3
In this paper, Bi2O3 doped with different amount of La3+ was prepared. The prepared photocatalysts were characterized by BET, XRD, UV-VIS diffuse reflectance and XPS. The results show that 3%La3+-Bi2O3 prepared has the highest BET surface area, pore volume, the smallest pore size. 3%La3+-Bi2O3 exhibits the best photocatalytic activity. The results of further experiments show that the specific surface area, UV-Vis diffuse reflectance and the binding energy all play an important role in promotion of photocatalytic activity of Bi2O3 nanostructure.
Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He
J. Zeng et al., "Improved Photocatalytic Activity of La3+-Doped Bi2O3", Advanced Materials Research, Vols. 239-242, pp. 86-89, 2011