BiOCl and TiO 2 deposited on exfoliated ZnCr-LDH to enhance visible-light photocatalytic decolorization of Rhodamine B

2017 ◽  
Vol 43 (7) ◽  
pp. 5751-5758 ◽  
Author(s):  
Qing Liu ◽  
Jianfeng Ma ◽  
Kai Wang ◽  
Ting Feng ◽  
Mingguo Peng ◽  
...  
Keyword(s):  
Visible Light ◽  
Rhodamine B ◽  
Photocatalytic Decolorization ◽  
Visible Light Photocatalytic

scholarly journals Enhancement of Visible-Light Photocatalytic Activity of Mesoporous Au-TiO2Nanocomposites by Surface Plasmon Resonance

2012 ◽  
Vol 2012 ◽  
pp. 1-10 ◽  
Author(s):  
Minghua Zhou ◽  
Jun Zhang ◽  
Bei Cheng ◽  
Huogen Yu
Keyword(s):  
Electron Microscopy ◽  
Aqueous Solution ◽  
Photocatalytic Activity ◽  
Surface Plasmon Resonance ◽  
Visible Light ◽  
Hydroxyl Radicals ◽  
Rhodamine B ◽  
Au Nanoparticles ◽  
Photocatalytic Decolorization ◽  
Visible Light Photocatalytic

Mesoporous Au-TiO2nanocomposite plasmonic photocatalyst with visible-light photoactivity was prepared by a simple spray hydrolytic method using photoreduction technique at90∘C. The prepared samples were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and N2adsorption-desorption isotherms. The formation of hydroxyl radicals (•OH) on the surface of visible-light illuminated Au-TiO2nanocomposites was detected by the luminescence technique using terephthalic acid as probe molecules. The photocatalytic activity was evaluated by photocatalytic decolorization of Rhodamine-B (RhB) aqueous solution under visible-light irradiation (λ >  420 nm). The results revealed that the TiO2could be crystallizedviaspray hydrolysis method, and the photoreduction technique was facilitated to prepare Au nanoparticles in the mesoporous TiO2at90∘C. The light absorption, the formation rate of hydroxyl radicals, and photocatalytic decolorization of Rhodamine-B aqueous solution were significantly enhanced by those embedded Au nanoparticles in the Au-TiO2nanocomposites. The prepared Au-TiO2nanocomposites exhibit a highly visible-light photocatalytic activity for photocatalytic degradation of RhB in water, and their photocatalytic activity is higher than that of the pristine TiO2nanoparticles due to the surface plasmon resonance.

BiOI/BiVO4 Two-Dimensional Heteronanostructures for Visible-Light Photocatalytic Degradation of Rhodamine B

2018 ◽  
Vol 1 (9) ◽  
pp. 5128-5141 ◽  
Author(s):  
Shining Ni ◽  
Tiantian Zhou ◽  
Haonan Zhang ◽  
Yongqiang Cao ◽  
Ping Yang
Keyword(s):  
Visible Light ◽  
Photocatalytic Degradation ◽  
Rhodamine B ◽  
Two Dimensional ◽  
Visible Light Photocatalytic
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