摘要
采用氟离子辅助的乙醇和水混合溶剂热法制备得到了形貌均一的削角双六棱锥氧化铁多面体微米晶体。调节混合溶剂中乙醇的体积分数可实现对该削角双六棱锥多面体氧化铁暴露晶面的精细调控。通过可见光催化降解RhB染料实验发现,利用该法所得的各多面体氧化铁对RhB表现出了良好的可见光催化活性,且各削角双六棱锥多面体氧化铁的光催化活性与其形貌之间表现出典型的性质与结构的依赖构效关系。
Uniform truncated hexagonal bipyramid iron oxide microcrystals were successfully synthesized by simple fluoride anion-assisted mixed solvothermal method. Exposed crystal planes of truncated hexagonal bipyramid iron oxide can be regulated finely by varying the volume fraction of ethanol in mixed solvent. The well-defined truncated hexagonal bipyramid micocrystals exhibit excellent and typically morphology-dependent photocatalytic properties on visible-light-induced RhB degradation.
出处
《电子显微学报》
CAS
CSCD
2014年第1期25-33,共9页
Journal of Chinese Electron Microscopy Society
基金
The Project was supported by the State Key Development Program for Basic Research of China(No.2009CB930400)
the National Natural Science Foundation of China(Nos.21121063,51362009,51362010)
关键词
Α-FE2O3
溶剂热合成
削角多面体
晶面调控
光催化
iron oxide
solvothermal synthesis
truncated polyhedron
crystal plane regulation
photo catalysis
