【摘 要】
：
A novel three-dimensional hierarchical WO3 photoelectrode was prepared by solvothermal method,and ZnO was deposited on its surface by electrochemical method.The WO3/ZnWO4/ZnO multiphase-heterojunction photoelectrode was prepared by further annealing treat
【机 构】
：
Key Laboratory of Marine Environmental Corrosion and Bio-fouling,Institute of Oceanology,Chinese Aca
论文部分内容阅读
A novel three-dimensional hierarchical WO3 photoelectrode was prepared by solvothermal method,and ZnO was deposited on its surface by electrochemical method.The WO3/ZnWO4/ZnO multiphase-heterojunction photoelectrode was prepared by further annealing treatment to explore the photoinduced cathodic protection (CP) performance.Compared with WO3 and ZnO,the photoinduced CP and electron storage capacity performance of WO3/ZnWO4/ZnO is significantly improved in 3.5％ NaCl solution without adding any hole scavenger.The electron storage capacity of the WO3/ZnWO4/ZnO heterojunction makes it possible to continuously protect metallic materials in the dark after switching off the light,which can realize long-term and effective photoinduced CP.
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