Synthesis and characterization of Gd-doped PbMoO4 nanoparticles used for UV-light-driven photocatalysis

• 作者: Anukorn Phuruangrat Somchai Thongtem Titipun Thongtem
• 来源期刊: 稀土学报（英文版）
• 年，卷（期）: 2021,（9）
• 所属期刊栏目: RARE EARTH CATALYSIS
• 页码范围: 1056-1061
• 页数: 6页
• 语种: 英文

摘要

Gd-doped PbMoO4 nanoparticles were prepared by a refluxing method at 80 °C for 2 h. Effect of molar content of Gd dopant on phase, morphology and optical properties was studied. The as-prepared Gd-doped PbMoO4 samples can be indexed to pure tetragonal PbMoO4 phase. The particles size of PbMoO4 is decreased with increasing in the molar content of Gd dopant from 15.20 ± 3.04 nm for pure PbMoO4 to 8.72 ± 1.53 nm for 5 mol％Gd-doped PbMoO4. The absorption of 5 mol％Gd-doped PbMoO4 nanoparticles shows red-shift caused by lattice distortion of PbMoO4. The photocatalytic performance of 5 mol％ Gd-doped PbMoO4 nanoparticles shows the highest degradation of rhodamine B (RhB) of 97.92％ under UV radiation and 67.65％under visible radiation because Gd3+dopant as an electron acceptor plays the role in enhancing the separation of electron-hole pair.