采用原位脱氯化氢缩合聚合法制备了聚(2-甲氧基-5-辛氧基)对苯乙炔/二元稀土配合物Eu(phen)2Cl3(PMO-COPV/Eu(phen)2Cl3)杂化材料。红外光谱证实了在Eu(phen)2Cl3表面的包覆层为PMOCOPV。紫外-可见吸收光谱表明与PMOCOPV相比,PMOCOPV/Eu(phen)2Cl3的最大吸收峰发生红移且强度增强。荧光光谱研究表明PMOCOPV/Eu(phen)2Cl3的最大发射波长发生红移且强度增强,荧光寿命得到提高,Eu(phen)2Cl3与PMOCOPV之间形成了光致电子转移体系,使得π电子离域程度增加,导致荧光量子效率提高。
The photoelectric hybrid material poly(2-methoxy-5-octyloxy)-p-phenylene vinylene/Eu(phen)2Cl3(PMOCOPV/Eu(phen)2Cl3) was prepared by a dehydrochlorination in situ polymerization.Results from Fourier transform infrared spectroscopy indicate that PMOCOPV is coated onto the surface of Eu(phen)2Cl3.Compared with PMOCOPV,the absorption of PMOCOPV/Eu(phen)2Cl3 is strengthened,and a red shift of the absorption peak can be clearly observed in the UV-Vis spectrum.Photoluminescence spectroscopy indicates that the maximum emission wavelength of the PMOCOPV/Eu(phen)2Cl3 is red-shifted and intensity of photoluminescence increases in comparasion with PMOCOPV.PMOCOPV/Eu(phen)2Cl3 shows increased fluorescence due to an intermolecular photo-induced charge transfer process.
参考文献
[1] | Joan Marie D.Zapiter;Brian M.Tissue;Karen J.Brewer .Ruthenium and rhodium complexes anchored to europium oxide nanoparticles[J].Inorganic Chemistry Communications,2008(1):51-56. |
[2] | 张元元,邓振波,梁春军,程宝妹,肖静,徐登辉,王瑞芬.铽配合物TbY(o-MBA)6(phen)2与PVK掺杂体系的发光性质研究[J].中国稀土学报,2006(02):163-167. |
[3] | Chang WP.;Whang WT. .THE ELECTROLUMINESCENCE AND PHOTOLUMINESCENCE CHARACTERISTICS OF FILMS OF POLY(PHENYLENE VINYLENE)/GEL-GLASS INTERPENETRATING NETWORKS[J].Polymer: The International Journal for the Science and Technology of Polymers,1996(19):4229-4234. |
[4] | 唐爱伟,滕枫,高银浩,靳辉,梁春军,徐征,王永生.MEH-PPV/CdSe纳米复合器件的光电导特性的研究[J].光谱学与光谱分析,2006(12):2169-2172. |
[5] | Salafsky JS. .Exciton dissociation, charge transport, and recombination in ultrathin, conjugated polymer-TiO2 nanocrystal intermixed composites[J].Physical Review.B.Condensed Matter,1999(16):10885-10894. |
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