Affiliation:
1. Institute of Chemical and Biological Science, Quanzhou normal university, Quanzhou 362000, Fujian, China
Abstract
12-tungstophosphoric acid (H3PW12O40) and Zinc oxide (ZnO) particles were encapsulated into mordenite by salt melting procedure. The material was characterized by X-ray diffraction (XRD), Ultraviolet-visible diffuse reflectance spectra (UV-Vis-DRS), High Resolution Transmission Electron Microscopy (HRTEM), Energy Dispersive Spectrometer (EDS), and Brunauer, Emmett and Teller surface area (BET). The characterization of ZnO/H3PW12O40-supported mordenite composite (ZnO/PW12/mordenite) clearly shows that some of ZnO and H3PW12O40 particles were encapsulated within the cavities and frameworks of mordenite, which effectively increases the photocatalytic activity on degradation of methyl orange. The ZnO/PW12/mordenite composite showed 1.7-fold increase amplitude of the photodegradation rate versus that of ZnO-supported mordenite composite (ZnO/mordenite) without H3PW12O40.