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| 1 | A Green Strategy to Synthesize Ag/Ag3PO4/Chitosan Composite Photocatalysts and Their Photocatalytic Degradation Performance under Visible Light Irradiation显示文摘In this work, the plasmonic Ag/Ag3PO4/chitosan(Ag/Ag3PO4/CS) composite photocatalyst was prepared by a low-temperature strategy. Environmentally friendly CS plays triple vital roles in this composite. First, it was devoted to in situ reducing metallic silver from silver ions of Ag3PO4. Also, as the carrier of Ag/Ag3PO4 nanoparticles,CS can effectively prevent aggregation. Furthermore, benefitting from the settlement of hydrophilic CS, the prepared composite could be easily separated and recovered from the solution system. X-ray diffraction(XRD), the scanning electron microscope, energy-dispersive X-ray spectroscopy(EDS), ultraviolet-visible(UV-vis) diffused reflectance spectroscopy, and X-ray photoelectron spectroscopy(XPS) were employed to characterize the properties of materials. The results of photo-decomposition testing showed that the Ag/Ag3PO4/CS composite possessed good activity for the decomposition of Rhodamine B(Rh B) under visible light. | Peng-Cheng Wu Hui-Li Peng Yu-Han Wu Lei Li Xiao-Rui Hao Bang-Hua Peng Gui-Hua Meng Jian-Ning Wu Zhi-Yong Liu | 2020 | Journal of Electronic Science and Technology2020，18，2： | 2 |
| 2 | Construction of ternary heterojunction Agl/C-MoS_(2) nanosheets with enhanced visible-light photocatalytic property and self-cleaning performance显示文摘Carbon-molybdenum disulfide(C-MoS_(2))ultrathin nanosheets were prepared by a hydrothermal process,and then Agl/C-MoS_(2) were synthesized via an/n-situ deposition method.This ternary heterojunction composite exhibited better photo-catalytic activity compared with those of one-component(pristine MoS_(2))and bicomponent(Agl/MoS_(2) and C-MoS_(2))materials for the degradation of organic dyes under the visible-light irradiation.In particular,by comparing with Agl/MoS_(2),the significant role of conductive amorphous carbon in Agl/C-MoS_(2) in enhancing the charge transfer during the photocatalytic degradation of dyes was first confirmed by photocurrent response and electrochemical impedance spectroscopy(EIS).A possible photocatalytic mechanism was proposed based on the capture experiment results.Furthermore,a straightforward and interesting way had been applied to test the recycled/newly-prepared Agl/C-MoS_(2) composite for revealing its distinctive self-cleaning performance and recyclability characteristic besides its good photocatalytic activity.This work could provide a reference for the design of other new ternary heterojunction composite materials with special structures and properties. | Yan DU Ziwen NIU Tingjiang YAN Kunlei ZHU Yang YU Zhihong JING | 2021 | Frontiers of Materials Science2021，15，2： | 0 |
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