Fluorescence spectroscopic behaviour of neat and blended conjugated polymer thin films

被引:88
作者
Holzer, W
Pichlmaier, M
Penzkofer, A [1 ]
Bradley, DDC
Blau, WJ
机构
[1] Univ Regensburg, Inst Expt & Angew Phys 2, D-93040 Regensburg, Germany
[2] Univ Sheffield, Dept Phys, Elect & Photon Mol Mat Grp, Sheffield S3 7RH, S Yorkshire, England
[3] Univ Sheffield, Ctr Mol Mat, Sheffield S3 7RH, S Yorkshire, England
[4] Univ Dublin Trinity Coll, Dept Pure & Appl Phys, Dublin 2, Ireland
关键词
fluorescence quantum yield; luminescent polymers; thin films; fluorescence quantum distribution; fluorescence polarisation;
D O I
10.1016/S0301-0104(99)00116-0
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The fluorescence quantum distributions, quantum yields, degrees of polarisation, and stimulated emission cross-section spectra of four para-phenylene vinylene and two para-phenylene ethynylene luminescent polymers were determined. Neat luminescent polymer films and polystyrene films doped with luminescent polymers were investigated. The fluorescence spectroscopic data analysis accounted for fluorescence absorption and reemission in thin films. The fluorescence spectroscopic behaviour of the solid thin films on fused silica substrates was compared with the corresponding behaviour of the luminescent polymers dissolved in liquid tetrahydrofuran. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:445 / 462
页数:18
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