New functional benzo[ghi]perylene derivatives: Synthesis and photophysical properties

被引：4
|
作者：
Raouafi, Sondes [1 ]
Aloui, Faouzi [1 ]
机构：
[1] Univ Monastir, Fac Sci, Lab Asymmetr Organ Synth & Homogenous Catalysis U, Ave Environm, Monastir 5019, Tunisia
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2019年 / 1196卷
关键词：
Couplings; Photocyclization; Benzo[ghi]perylene; Optical properties; Energy levels; EXCITED-STATE DYNAMICS; ELECTROCHEMICAL PROPERTIES; ELECTRON; BATHOCUPROINE; FLUORESCENCE; PERYLENE; DYES;
D O I：
10.1016/j.molstruc.2019.07.022
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：
New benzo[ghilperylene derivatives bearing valuable functional groups at well defined positions were synthesized in two steps, in 59%-72% over all yields, using vinyl bridges as precursors. These pi-conjugated hexacyclic frameworks have been characterized experimentally using UV-vis absorption and photoluminescence spectroscopies and an emission in the visible region was identified. After characterization by cyclic voltammetry, all derivatives showed electrochemical band gap (Eg-el) less than 2.35 eV indicating that they might be suitable candidates for electron-injection hole-blocking layers. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：685 / 690
页数：6
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