Conjugated oligomers based on various combinations of thiophene and 3,4-ethylenedioxythiophene (EDOT) moieties have been synthesised. Comparison of the optical and electrochemical properties shows that the introduction of a bis-EDOT core in the middle of the system produces a decrease of the HOMO-LUMO gap which is attributed to an enhancement of the planarity and rigidity of the pi-conjugated system. (C) 2000 Elsevier Science Ltd. All rights reserved.
Direct C–H arylation of 3-methoxythiophene catalyzed by Pd. Application to a more efficient synthesis of π-alkoxy-oligothiophene derivatives
作者:A. Borghese、G. Geldhof、L. Antoine
DOI:10.1016/j.tetlet.2006.10.130
日期:2006.12
The direct regioselective C-H arylation of 3-methoxythiophene and 3,4-ethylenedioxythiophene (EDOT) was performed successfully under 'Heck-type' experimental conditions. This novel synthetic methodology has been used to prepare in a more simple way a series of oligothiophenes interesting for the electronic industry to build new synthetic organic materials. (c) 2006 Elsevier Ltd. All rights reserved.
US6323309B1
申请人:——
公开号:US6323309B1
公开(公告)日:2001-11-27
[DE] PHOTOAKTIVES, ORGANISCHES MATERIAL FÜR OPTOELEKTRONISCHE BAUELEMENTE<br/>[EN] PHOTOACTIVE, ORGANIC MATERIAL FOR OPTOELECTRONIC COMPONENTS<br/>[FR] MATÉRIAU ORGANIQUE, PHOTO-ACTIF POUR COMPOSANTS OPTOÉLECTRONIQUES
申请人:HELIATEK
公开号:WO2014128277A1
公开(公告)日:2014-08-28
Die Erfindung betrifft Verbindungen der allgemeinen Formel A-D-A`, wobei der Donorblock unsymmetrisch ist, und deren Verwendung in optoelektronischen Bauelementen.
Design of Organic Semiconductors: Tuning the Electronic Properties of π-Conjugated Oligothiophenes with the 3,4-Ethylenedioxythiophene (EDOT) Building Block
Hybrid oligothiophenes based on a various combinations of thiophene and 3,4-ethylenedioxythiophene (EDOT) groups have been synthesized. UV/Vis absorption spectra show that the number and relative positions of the EDOT groups considerably affect the width of the HOMO-LUMO gap and the rigidity of the conjugated system. Analysis of the crystallographic structure of two hybrid quaterthiophenes confirms