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采用静电纺丝技术将聚苯胺(PANI)和稀土配合物[Tb(BA)3phen]掺杂到高分子材料(PVP)中,制备出一类新型的具有光电双功能的Tb(BA)3phen/PANI/PVP复合纳米纤维.用扫描电子显微镜(SEM)、X射线能量色散谱仪(EDS)、荧光光谱仪及宽频介电松弛谱仪对样品进行了表征.结果表明,复合纳米纤维直径为(331±43)nm.在276 nm紫外光激发下,Tb(BA)3phen/PANI/PVP复合纳米纤维发射出主峰位于491,547和585 nm的绿光,对应Tb3+的5D4→7F6,5D4→7F5和5D4→7F4跃迁.当Tb(BA)3phen∶PANI∶PVP的质量比为15∶10∶100时,复合纳米纤维的荧光发射最强,其电导率随PANI含量的增大而升高,在PANI∶PVP为50%(wt%)时,其电导率在高频(106Hz)下达1.531×10-6S/cm.
A series of new photoelectrical bifunctional Tb (BA) 3phen / polyaniline complexes were prepared by electrospinning polyaniline (PANI) and rare earth complex [Tb (BA) 3phen] into polymer materials (PVP) The PANI / PVP composite nanofibers were characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), fluorescence spectroscopy and broadband dielectric relaxation spectroscopy.The results showed that the composite nanofibers had a diameter of (331 ± 43) nm. Tb (BA) 3phen / PANI / PVP nanofibers emitted green light with main peaks at 491, 547 and 585 nm under the excitation of 276 nm UV light, corresponding to 5D4 → 7F6, 5D4 → 7F5 and 5D4 → 7F4 transition.When the Tb (BA) 3phen: PANI: PVP mass ratio is 15:10:100, the fluorescence emission of the composite nanofibers is the strongest, the conductivity increases with the increase of PANI content, Is 50% (wt%), its electric conductivity reaches 1.53110-6 S / cm at high frequency (106 Hz).