A tri-vanadium-capped Keggin phosphomolybdate: synthesis, characterization, photocatalytic and bifunctional electrocatalytic properties  

作　　者：Feng-Rui Li Tuo Ji Wei-Lin Chen 

机构地区：[1]Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education Department of Chemistry,Northeast Normal University,Changchun,130024,China

出　　处：《Tungsten》2022年第2期99-108,共10页钨科技（英文）

基　　金：financially supported by the National Natural Science Foundation of China (Grant No. 21871041);the Natural Science Foundation of Jilin Province (Grant No. 20180101298JC);the Technology Foundation for Selected Overseas Chinese Scholars of Personnel Ministry of China, Science and Technology Research Project of the Education Department of Jilin Province (Grant No. JJKH20211286KJ);Science and Technology Activities Project Preferential Funding for Selected Overseas Chinese Scholars of Jilin Province Human Resources and Social Bureau

摘　　要：A purely inorganic tri-vanadium-capped Keggin phosphomolybdate[Na_(3)PMo_(12)V_(3)O_(43)]·4H_(2)O(compound 1)has been synthesized by hydrothermal means and characterized via powder X-ray diffraction,infrared spectrum,thermogravimetric analysis,single-crystal X-ray diffraction,scanning electron microscope,ultraviolet–visible absorption spectroscopy,ultraviolet–visible diffuse reflection spectra as well as electrochemical cyclic voltammetry tests.The structure analysis displays that compound 1 is a symmetric tri-vanadium-capped cluster through six half occupancy{VO_(5)}units.Compound 1 remains a purely inorganic Keggin phosphomolybdate,which presents electrocatalytic properties for the oxidization of ascorbic acid and reduction of H_(2)O_(2).At the same time,it possesses high-efficiency degradation capability for typical methylene blue,Rhodamine B and methyl orange dyes under ultraviolet light.

关 键 词：POLYOXOMETALATES Hydrothermal method Photocatalysis ELECTROCATALYSIS 

分 类 号：O643.36[理学—物理化学]