alpha-Fe2O3 decorated ZnO nanorod-assembled hollow microspheres: Synthesis and enhanced visible-light photocatalysis

作者：Yin Qiaoqiao; Qiao Ru^*; Zhu Lanlan; Li Zhengquan; Li Miaomiao; Wu Wenjie

来源：Materials Letters, 2014, 135: 135-138.

DOI：10.1016/j.matlet.2014.07.149

• ZnO
• alpha-Fe2O3
• Impregnation deposition
• Semiconductors
• Microstructure
• Photocatalysis

alpha-Fe2O3 nanoparticles-decorated ZnO nanorod-assembled hollow spheres were successfully synthesized by a simple acetone-assisted impregnation deposition. SEM images showed a uniform distribution of alpha-Fe2O3 nanoparticles not only on the surfaces of ZnO spheres but also inside pores of ZnO parallel aligned nanorods. The alpha-Fe2O3/ZnO binary semiconductor composites exhibited a superior visible-light photocatalytic activity for degradation of rhodamine B (RhB) as compared with pure ZnO spheres. The enhancement was attributed to stronger visible light absorption ability and effective photogenerated charge separation of alpha-Fe2O3/ZnO composites.

• 出版日期2014-11-15
• 单位浙江师范大学