| 钴镍取代杂多酸盐甘氨酸超分子化合物的合成及性质 |
| Synthesis and Properties of Supermolecular Compounds of Glycine Cobalt(Nickel) Substituted Heteropolytungstates |
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| 摘要: |
| 关键词: 杂多钨酸盐 甘氨酸 超分子 |
| 基金项目: |
| Abstract: Supermolecular compounds of glycine monosubstituted heteropolytungstates isomer with Keggin structure βi-K6-n(HGly)n[SiW11M(H2O)O39]·xH2O (M=Co2+, Ni2+； βi=β2, β3) were synthesized and characterized by means of elementary analysis, IR, UV, TG-DTA, X-ray diffraction, polarography and CV. The results indicate that glycin combines the electrostatic effect with heteropolytungstates isomer. The heteropoly anion still remains its Keggin structure in supermolecular compounds. The electrochemical behavior of the compound in 1 mol·L-1 HAc-NaAc shows that two redox waves correspond to two two-electron processes attributing to the reduction of [SiW11Co(H2O)O39]6-. Steady-state fluorescence spectrum shows two intenser fluorescence emission peaks in 447 nm and 486 nm appeared after the supermolecular compound being excited by the excitation wavelength in 274 nm. |
| Keywords: heteropolytungstates glycine supermolecule |
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| 马荣华,王福平.钴镍取代杂多酸盐甘氨酸超分子化合物的合成及性质[J].无机化学学报,2006,22(6):1137-1142. |
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