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.
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页码：321 / 325
页数：4
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