Heterogeneous photocatalytic degradation of 4-nitrophenol in aqueous suspension by Ln (La3+, Nd3+ or Sm3+) doped ZnO nanoparticles
作者： M. Khatamian , A.A. Khandar , B. Divband , M. Haghighi , S. Ebrahimiasl
DOI: 10.1016/J.MOLCATA.2012.08.018
关键词:
摘要: Lanthanide doped ZnO nanoparticles with different Ln (Ln= La, Nd and Sm) contents were synthesized by polymer pyrolysis method and characterized by various techniques such as XRD, UV–vis, SEM, TGA, and TEM. The XRD results revealed that Ln3+ is uniformly dispersed on ZnO nanoparticles in the form of small Ln2O3 cluster. From SEM and TEM images it was found that the particle size of La-doped ZnO is much smaller as compared to that of pure ZnO. The photocatalytic activity of La-doped ZnO in the degradation of 4 …
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