学术探索
学术期刊
新闻热点
数据分析
智能评审

Trap state photoluminescence in solid state quaterthiophene

被引：4
作者：
Cerminara, M
Meinardi, F
Borghesi, A
Sassella, A
Tubino, R
机构：
[1] INFM, I-20125 Milan, Italy
[2] Univ Milan, Dipartimento Sci Mat, I-20125 Milan, Italy
来源：
THIN SOLID FILMS | 2005年 / 474卷 / 1-2期
关键词：
oligothiophenes; optical properties; organic semiconductors; defects;
D O I：
10.1016/j.tsf.2004.09.045
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Photoluminescence (PL) emissions from localized trap states in crystalline thin films of quaterthiophene (4T) were investigated. The analysis of the PL spectra as a function of temperature allows to characterize the main trap states involved in the light emission, obtaining their activation energy. From comparison with the data reported for other oligothiophenes (OT) with different number of conjugated rings, a general scheme for the trap-related energy levels is proposed. (C) 2004 Elsevier B.V All rights reserved.
引用
收藏
页码：230 / 234
页数：5
相关论文
共 27 条
[21]   Optical properties of highly oriented quaterthiophene thin films grown by organic molecular-beam deposition [J].
Sassella, A ;
Borghesi, A ;
Meinardi, F ;
Tubino, R ;
Gurioli, M ;
Botta, C ;
Porzio, W ;
Barbarella, G .
PHYSICAL REVIEW B, 2000, 62 (16) :11170-11176
[22]   Morphology and trap luminescence in thin oligothiophene films on HOPG [J].
Schneider, M ;
Brinkmann, M ;
Muccini, M ;
Biscarini, F ;
Taliani, C ;
Gebauer, W ;
Sokolowski, M ;
Umbach, E .
CHEMICAL PHYSICS, 2002, 285 (2-3) :345-353
[23]   Low temperature absorption and luminescence of oligothiophene single crystals [J].
Schön, JH ;
Kloc, C ;
Laudise, RA ;
Batlogg, B .
JOURNAL OF APPLIED PHYSICS, 1999, 85 (05) :2844-2847
[24]   Absorption and emission in pinwheel aggregates of oligo-phenylene vinylene molecules [J].
Spano, FC .
JOURNAL OF CHEMICAL PHYSICS, 2001, 114 (12) :5376-5390
[25]   Preparation of highly pure quaterthiophene and role of impurities on its photoluminescence properties [J].
Trabattoni, S ;
Laera, S ;
Mena, R ;
Papagni, A ;
Sassella, A .
JOURNAL OF MATERIALS CHEMISTRY, 2004, 14 (02) :171-178
[26]   A new apparatus for ultra-high vacuum organic molecular beam deposition [J].
Tubino, R ;
Borghesi, A ;
Dalla Bella, L ;
Destri, S ;
Porzio, W ;
Sassella, A .
OPTICAL MATERIALS, 1998, 9 (1-4) :437-444
[27]   Fluorescence from molecules and aggregates in polycrystalline thin films of α-oligothiophenes [J].
Yang, AP ;
Kuroda, M ;
Shiraishi, Y ;
Kobayashi, T .
JOURNAL OF CHEMICAL PHYSICS, 1998, 109 (19) :8442-8450
123