Citation: ZHEN Yan-Zhong, WANG Jie, FU Meng-Xi, ZHANG Ying-Zheng, FU Feng. AgI/h-MoO₃ Heterojunctions:Fabrication and Photocatalytic Oxidative Desulfurization Activity of Simulation Fuel[J]. Chinese Journal of Inorganic Chemistry, ;2017, 33(10): 1731-1740. doi: 10.11862/CJIC.2017.236 shu

AgI/h-MoO₃ Heterojunctions:Fabrication and Photocatalytic Oxidative Desulfurization Activity of Simulation Fuel

1.
Shaanxi Key Laboratory of Chemical Reaction Engineering, Department of Petroleum Engineering and Environmental Engineering, Yan'an University, Yan'an, Shaanxi 716000, China
2.
School of Materials Science and Chemical Engineering, Xi'an Technological University, Xi'an 710072, China

Corresponding author: ZHEN Yan-Zhong, zyz943@163.com
Received Date: 17 July 2017
Revised Date: 10 September 2017

Figures(10)

AgI/h-MoO₃ heterojunction photocatalysts were successfully fabricated by a facile deposition method. XRD, SEM, UV-Vis-DRS, EDS, XPS, PL and EIS were employed to characterize the structure, morphology, optical absorption and photo-electrochemical properties of as-synthesized samples. The photocatalytic oxidative desulfurization activity of as-synthesized samples was investigated with thiophene simulated the catalytic cracking (FCC) gasoline as the probe. The results indicate that AgI/h-MoO₃-18 heterojunction has the highest photocatalytic activity and its removal efficiency for thiophene can be up to 98% with catalyst dosage (1.5 g·L^-1) under irradiation of visible light for 2 h. XRD, XPS and UV-Vis-DRS measurements reveal that a small amount of metallic Ag which facilitates photoinduced electrons transfer is formed on the surface of used AgI/h-MoO₃, thus leading to the transformation from AgI/h-MoO₃ to AgI/Ag/h-MoO₃. The photocatalytic oxidative desulfurization mechanism and stability performance of AgI/Ag/h-MoO₃ were also studied by the active species trapping experiment and recycling run experiment. The experimental results have exhibited that the as-prepared AgI/h-MoO₃ heterojunctions not only have higher photocatalytic oxidative desulfurization activity for thiophene, but also have good stability.
- deposition method,
- AgI/h-MoO₃ heterojunction,
- visible light,
- photocatalytic oxidative desulfurization
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

AgI/h-MoO3 Heterojunctions:Fabrication and Photocatalytic Oxidative Desulfurization Activity of Simulation Fuel

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通讯作者: 陈斌, bchen63@163.com

AgI/h-MoO₃ Heterojunctions:Fabrication and Photocatalytic Oxidative Desulfurization Activity of Simulation Fuel