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Elaboration of low-band-gap π-conjugated systems based on thieno[3,4-b]pyrazines
- Source :
- Pure and Applied Chemistry, Pure and Applied Chemistry, De Gruyter, 2020, pp.353. ⟨10.1515/pac-2018-1009⟩
- Publication Year :
- 2020
- Publisher :
- HAL CCSD, 2020.
-
Abstract
- In order to understand the electronic contribution of the thienopyrazine building block on the electronic properties of π-conjugated systems, small molecules containing thiophene and thienopyrazine moieties are synthesized and jointly studied by theoretical (DFT) and experimental methods (UV-Vis, UPS). Taking advantages of these preliminar attractive results, four low band gap extended structures have been elaborated on the base of Donor-Acceptor-Donor sequences (DAD); these elongated π-conjugated molecules exhibit noticeable electronic and absorption properties spreading from the near UV to NIR regions.
- Subjects :
- Band gap
General Chemical Engineering
low band-gap
02 engineering and technology
Conjugated system
010402 general chemistry
01 natural sciences
chemistry.chemical_compound
[CHIM.ANAL]Chemical Sciences/Analytical chemistry
Thiophene
Molecule
π-conjugated systems
Organic electronics
Chemistry
General Chemistry
[CHIM.MATE]Chemical Sciences/Material chemistry
POC-17
021001 nanoscience & nanotechnology
Block (periodic table)
Small molecule
0104 chemical sciences
organic electronics
[CHIM.THEO]Chemical Sciences/Theoretical and/or physical chemistry
Crystallography
[CHIM.POLY]Chemical Sciences/Polymers
Absorption (chemistry)
0210 nano-technology
Subjects
Details
- Language :
- English
- ISSN :
- 00334545 and 13653075
- Database :
- OpenAIRE
- Journal :
- Pure and Applied Chemistry, Pure and Applied Chemistry, De Gruyter, 2020, pp.353. ⟨10.1515/pac-2018-1009⟩
- Accession number :
- edsair.doi.dedup.....912ab15975d10707b33936105cfd5ec1