Pentadecatungstotrivanadodiphosphoric heteropoly acid with Dawson structure: Synthesis, conductivity and conductive mechanism

Dalton Transactions : an International Journal of Inorganic Chemistry
Xia TongWenfu Yan

Abstract

A general strategy in terms of degradating and ion-exchange synthesis was used to design pentadecatungstotrivanadodiphosphoric heteropoly acid H(9)P(2)W(15)V(3)O(62)·28H(2)O with Dawson structure and excellent conductivity. The product was characterized by ICP-MS, IR, UV, XRD, (31)P NMR, TG-DTA and electrochemical impedance spectroscopy (EIS). The results indicate that H(9)P(2)W(15)V(3)O(62)·28H(2)O possesses the Dawson structure. EIS measurements show a high conductivity (3.64 × 10(-2) S cm(-1) at 26 °C and 75% relative humidity), with an activation energy of 31.34 kJ mol(-1) for proton conduction. Its mechanism for proton conduction is the Vehicle mechanism.

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Citations

Dec 6, 2016·Chemical Society Reviews·Xing MengHong-Jie Zhang
Mar 10, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Jian-Ping BaiZai-Ming Zhu
Feb 4, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Tianpei HuangWenfu Yan
Jun 29, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Xuefei WuWenfu Yan
Nov 26, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Xuefei WuLin Xu
Sep 22, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Di QuLixin Wu
May 8, 2015·Soft Matter·Tianpei HuangWenfu Yan
Aug 7, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Yunyan LiWenfu Yan
Aug 26, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Jun MiaoQingyin Wu
Jul 19, 2013·Inorganic Chemistry·Lu YangJingyang Niu

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