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聚(3-丁基噻吩)多晶型的红外光谱研究

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Key Words:聚(3-丁基噻吩);;多晶型;;链堆叠;;红外光谱
Abstract:借助低温红外光谱,在低于玻璃化转变温度的温区内考察了立构规整的聚(3-丁基噻吩)(RRP3BT)三种晶型(fomⅠ,formⅠ'以及formⅡ)的晶体结构及链间相互作用。结果表明formⅠ和formⅠ'晶型中存在两种沿π—π堆砌方向的主链排列方式,而formⅡ晶型中只存在一种主链排列。此外,侧链的排列方式在三种晶型中也有差异:丁基侧链在formⅠ晶型中呈现与在非晶区中相同的无序排列,在formⅠ'晶型中采取的是有序排列,而在formⅡ晶型中则可以观察到侧链的"链间交错"结构。
Volume:VOL.32
Translation or Not:no

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