Absorption, luminescence and Raman spectroscopy of poly(p-phenylene vinylene) at high pressure

被引：65
|
作者：
Webster, S [1 ]
Batchelder, DN [1 ]
机构：
[1] UNIV LEEDS,DEPT PHYS & ASTRON,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND
来源：
POLYMER | 1996年 / 37卷 / 22期
关键词：
conjugated polymer; optical spectroscopy; high pressure;
D O I：
10.1016/0032-3861(96)00425-9
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Optical absorption, photoluminescence and Raman spectra of poly(p-phenylene vinylene) have been recorded as a function of pressure to 50 kbar. Both absorption and emission spectra are observed to red shift with pressure. The photoluminescence spectrum is observed to decrease in integrated intensity and lose vibronic structure with increasing pressure. Possible explanations of the observed results are discussed. In particular the possible role of intermolecular effects is highlighted. Copyright (C) 1996 Elsevier Science Ltd.
引用
收藏
页码：4961 / 4968
页数：8
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