Synthesis and characterization of noble-metal-substituted Dawson-type polyoxometalates

被引：0

作者：

Huizhang Liu

Bin Yue

Wenliang Sun

Zhijiang Chen

Songlin Jin

Jiaqi Deng

Gaoyang Xie

Qianfen Shao

Tailiu Wu

机构：

[1] Fudan University,Department of Chemistry

[2] Fudan University,Research Center of Analysis and Measurement

来源：

Transition Metal Chemistry | 1997年 / 22卷

关键词：

Inorganic Chemistry; Catalysis; Tungsten; Cyclic Voltammetry; Noble Metal;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Polyoxometalates substituted by noble metal cations (PdII, RuIII, IrIV) of general formula (Bu4N)n[P2W17M(OH2)O61] are prepared by refilling the vacant site of the lacunary precursor α2-K10P2W17O61. Both 31P- and 183W-n.m.r. studies provide convincing evidence for the above structural assignment. The u.v.-vis and i.r. spectra are consistent with the first row transition metal substituted homologues. Electrochemical investigations by cyclic voltammetry in MeCN revealed four reversible one-electron redox couples, which are ascribed to the tungsten(VI→V) process of the tungsten-oxo framework.

引用

页码：321 / 325

页数：4

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