【摘要】 合成了一种大π共轭高分子———聚3 辛酰基吡咯(POPY)。利用1H NMR、FT IR和UV Vis对反应中间产物及目标产物POPY进行了结构表征。热重分析(TGA)表明,POPY可耐285℃的高温。通过真空I2掺杂处理,POPY的电导率提高了3个数量级,为0.023S/cm。采用标准后向简并四波混频(DFWM)系统对POPY的三阶非线性光学效应进行了研究。结果表明,在532nm处,POPY的三阶非线性极化率为9.2×10-10esu。光致发光(PL)研究表明,在360nm的紫外光的激发下,POPY能够发出很强的波长为414nm和437nm的蓝色荧光。更多还原

【Abstract】 A novel π-conjugated polymer,poly（3-octanoylpyrrole） （POPY） was synthesized firstly.The chemical structures of the intermediate and the POPY were characterized by ¹ H-NMR,FT-IR and UV-Vis spectroscopy.The thermal stability by TGA indicates that POPY decomposes at temperature of 285 ℃.The conductivity of POPY doped with iodine is 0.023 S/cm which is 3 order of magnitude higher than that of the intrinsic sample.The third-order nonlinear optical property of POPY was studied by the backward degenerate four wave mixing（DFWM） at 532 nm.The third-order nonlinear optical susceptibility of POPY is about 9.2×10^-10 esu.The photoluminescence（PL） of POPY is also investigated.The result shows that POPY is a good photoluminescence material and strong blue fluorescence can be observed when the excitation wavelength is 360 nm.更多还原