在钯催化剂的作用下,通过4,7-二溴[2,1,3]苯并噻二唑与2,5-二乙炔基-3-辛基噻吩的偶联反应,合成了一种新的共轭高分子PTE-BT.采用紫外可见吸收光谱及荧光光谱对其光学性质进行了研究.紫外可见吸收谱结果表明,PTE-BT的固体膜光学带隙为1.86 ev;TiO2/PTE-BT共混固体膜的荧光发射谱结果表明,电子供体PTE-BT分子与电子受体TiO2分子间存在有效的电子转移.
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