Photophysical and Photoconductive Properties of Novel Organic Semiconductors

被引：0
|
作者：
Platt, A. D. [1 ]
Day, J. [1 ]
Shepherd, W. E. B. [1 ]
Ostroverkhova, O. [1 ]
机构：
[1] Oregon State Univ, Dept Phys, Corvallis, OR 97331 USA
来源：
ORGANIC THIN FILMS FOR PHOTONIC APPLICATIONS | 2010年 / 1039卷
关键词：
PHOTOREFRACTIVE POLYMERS; FLUOROPHORES; MECHANISMS; PENTACENE;
D O I：
暂无
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：
Optical, fluorescent, and photoconductive properties of novel functionalized anthradithiophene (ADT), pentacene, and dicyanomethylenedihydrofuran (DCDHF) derivatives are presented. Fast charge carrier photogeneration and high photoconductive gains were observed in solution-deposited films. By creating mixtures of various derivatives, different charge carrier dynamics could be achieved at ps-mu s time-scales after 100-fs pulsed photoexcitation. In most derivatives, high fluorescent quantum yields (QYs) of 70-85% were observed in solutions. In fluorinated ADT films, QYs were at least 40-50% at room temperature and decreased by a factor of 3-5 as the temperature increased from 20 degrees C to 80 degrees C.
引用
收藏
页码：211 / 227
页数：17
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