A new Ag/Bi7Ta3O18 plasmonic photocatalyst with a visible-light-driven photocatalytic activity
作者： HongWei Li , Hekai Zhu , Meng Wang , Xin Min , Minghao Fang
DOI: 10.1557/JMR.2017.299
关键词:
摘要: A new plasmonic photocatalyst Ag/Bi7Ta3O18 was fabricated by photodeposition-hydrothermal method. The phase composition, microstructure, surface areas, average pore size, UV-vis diffuse reflection spectra, and photocatalytic activities of composite photocatalysts were investigated in detail. results the measurements indicated that Ag0 nanoparticle successfully loads on Bi7Ta3O18, 0.06 exhibited best activity for degradation Rhodamine B (RhB). improved could be contributed to localized plasmon resonance caused collective oscillation electrons Ag nanoparticles. Additionally, reaction mechanism studied photoluminescence photocurrent, electron spin analysis. As a result, nanoparticles onto Bi7Ta3O18 enlarged electron-hole separation, (˙OH) dominated active species RhB process.
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