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以吡啶（Ｐｙ）、Ｎ，Ｎ二甲基苯胺（ＤＭＡ）和１２钨锗酸为原料，用化学法合成了两个新的１２钨锗酸电荷转移配合物．用元素分析和热重分析确定它们的分子式为（ＨＰｙ）３ＨＧｅＷ１２Ｏ４０·Ｐｙ·２ＤＭＦ和（ＨＤＭＡ）３ＨＧｅＷ１２Ｏ４０·ＤＭＡ·２ＤＭＦ．红外和紫外光谱表明有机电子给体与杂多阴离子间有强烈的相互作用，生成了电荷转移配合物．紫外可见光谱测试发现在６４５ｎｍ附近有一个新的吸收峰，对应于Ｗ（Ⅴ）→Ｗ（Ⅵ）的ＩＶＣＴ跃迁，结合极谱循环伏安测试，发现合成产物在光的作用下发生可逆的光还原反应．
Two new 12-wolframite acid charge-transfer complexes were synthesized by chemical methods using pyridine (Py), N, N-dimethylaniline (DMA) and 12-wolfram acid as starting materials. Their molecular formulas were (HPy) 3HGeW12O40 · Py · 2DMF and (HDMA) 3HGeW12O40 · DMA · 2DMF as determined by elemental analysis and thermogravimetric analysis. Infrared and ultraviolet spectroscopy showed that the organic electron donor and heteropolyanion have a strong interaction, generating a charge-transfer complex. UV-visible spectroscopy test found a new absorption peak near 645nm, which corresponds to the IVCT transition of W (Ⅴ) → W (Ⅵ). Combined with the cyclic voltammetry of polarography, it was found that the synthesized product was reversible under the action of light Reduction reaction.