In Situ Grown AgI/Bi12O17Cl2 Heterojunction Photocatalysts for Visible Light Degradation of Sulfamethazine: Efficiency, Pathway, and Mechanism
By Chengyun Zhou, Cui Lai, Piao Xu, Guangming Zeng, Danlian Huang, Chen Zhang, Min Cheng, L. Hu, Jia Wan, Yang Liu and 3 more. 2018
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Visible-light-driven photocatalysts attract great interest because they can utilize more sunlight for reactions than conventional photocatalysts. A novel visible-light-driven photocatalyst AgI/Bismuth oxychloride (Bi12O17Cl2) hybrid was synthesized by a hydrothermal-precipitation method. Several characterization tools, such as X-ray powder diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), and UV–vis diffuse reflectance spectroscopy (DRS) were employed to study the phase structures, morphologies, and optical properties of the fabricated photocatalysts. These characterizations indicated that AgI nanoparticles were evenly distributed on the surface of Bi12O17Cl2, and heterostructures were formed. The photochemical characterizations demonstrated that the promoted separation of carrier transfer in the AgI/Bi12O17Cl2 heterojunction was achieved. The degradation rate of sulfamethazine (SMZ) by AgI/Bi12O17Cl2 wa...
Subfields: Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment
View Paper: https://www.semanticscholar.org/paper/5447877c37e0568d13c212af7d32a988fdeaac93
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