A comparison study was conducted on the performance of the Ag_(2)CO_(3) visible light catalysts synthesized in a surfactant-free microemulsion(SFME),water and water/propan-2-ol mixture,respectively.The XPS spectra sho...A comparison study was conducted on the performance of the Ag_(2)CO_(3) visible light catalysts synthesized in a surfactant-free microemulsion(SFME),water and water/propan-2-ol mixture,respectively.The XPS spectra show that all the synthesized Ag_(2)CO_(3) products have good purity.The SEM,XRD,BET and DRS characterizations indicate that the Ag_(2)CO_(3) product synthesized in the SFME template has higher crys-tallinity,more regular morphology,more uniform size,larger specific surface area,and stronger visible light absorption performance,thus having better catalytic photodegradation activity for rhodamine B(RhB),methylene blue(MB)and methyl orange(MO).When the degradation time reaches 45 min,the degradation rate of RhB is as high as 99.11%.Na_(2)CO_(3) has a good stabilizing effect when its concentration is 0.001 mol L^(-1).This research is of great significance to expand the application of SFMEs in the synthesis of high-efficiency catalytic materials.展开更多
基金This work was financially supported by Shandong Provincial Natural Science Foundation,China(No.ZR2020MB038).
文摘A comparison study was conducted on the performance of the Ag_(2)CO_(3) visible light catalysts synthesized in a surfactant-free microemulsion(SFME),water and water/propan-2-ol mixture,respectively.The XPS spectra show that all the synthesized Ag_(2)CO_(3) products have good purity.The SEM,XRD,BET and DRS characterizations indicate that the Ag_(2)CO_(3) product synthesized in the SFME template has higher crys-tallinity,more regular morphology,more uniform size,larger specific surface area,and stronger visible light absorption performance,thus having better catalytic photodegradation activity for rhodamine B(RhB),methylene blue(MB)and methyl orange(MO).When the degradation time reaches 45 min,the degradation rate of RhB is as high as 99.11%.Na_(2)CO_(3) has a good stabilizing effect when its concentration is 0.001 mol L^(-1).This research is of great significance to expand the application of SFMEs in the synthesis of high-efficiency catalytic materials.
