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比较了用稀土和白川催化体系,制备的70%顺式含量及全反式聚乙炔的拉曼光谱及其随激发光源波长的变化。报道了用稀土催化体系制备的可溶性聚乙炔的拉曼光谱。这些实验结果支持导致反式聚乙炔拉吏异常的主要原因是反式聚乙炔链段共轭长度分散的解释。
The Raman spectra of 70% cis-content and all-trans-polyacetylene prepared by using rare earth and Shirakawa catalytic systems were compared and their variations with the wavelength of the excitation light source were compared. The Raman spectra of soluble polyacetylene prepared with rare earth catalyst system were reported. The main reason that these experimental results support the anomalies of trans-polyacetylene is the interpretation of the conjugation length dispersion of trans-polyacetylene chains.