UV-Vis Absorption Properties of New Aromatic Imines and Their Compositions with Poly({4,8-bis[(2-Ethylhexyl)oxy]Benzo[1,2-b:4,5-b']Dithiophene-2,6-diyl}{3-Fluoro-2-[(2-Ethylhexyl)Carbonyl]Thieno[3,4-b]Thiophenediyl}).
PTB7
UV–Vis
imines
molar absorption coefficient
organic solar cells
thermographic camera
Journal
Materials (Basel, Switzerland)
ISSN: 1996-1944
Titre abrégé: Materials (Basel)
Pays: Switzerland
ID NLM: 101555929
Informations de publication
Date de publication:
13 Dec 2019
13 Dec 2019
Historique:
received:
07
11
2019
revised:
29
11
2019
accepted:
09
12
2019
entrez:
19
12
2019
pubmed:
19
12
2019
medline:
19
12
2019
Statut:
epublish
Résumé
In this paper, four new aromatic imines containing at least one thiazole-based heterocycle were analyzed in detail by UV-Vis spectroscopy, taking into consideration their chemical structures and interactions with PTB7, a known polymeric electron donor widely used in bulk heterojunction organic solar cells. It is demonstrated that the absorption spectra of the investigated active compositions can be modified not only by changing the chemical structure of imine, but also via formulations with PTB7. For all investigated imines and PTB7:imine compositions, calibration curves were obtained in order to find the optimum concentration in the composition with PTB7 for expansion and optimization of absorption spectra. All imines and PTB7:imine compositions were investigated in 1,2-dichlorobenzene by UV-Vis spectroscopy in various concentrations, monitoring the changes in the
Identifiants
pubmed: 31847154
pii: ma12244191
doi: 10.3390/ma12244191
pmc: PMC6947379
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : The Polish National Centre of Research and Development
ID : V4-Korea/1/2018
Organisme : The Polish National Centre of Research and Development
ID : TECHMATSTRATEG1/347431/14/NCBR/2018
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