Synthesis and Characterization of New Organic Dyes Containing the Indigo Core.
DSSC
cross coupling
indigo dyes
spectroscopy
synthesis
Journal
Molecules (Basel, Switzerland)
ISSN: 1420-3049
Titre abrégé: Molecules
Pays: Switzerland
ID NLM: 100964009
Informations de publication
Date de publication:
25 Jul 2020
25 Jul 2020
Historique:
received:
02
07
2020
revised:
17
07
2020
accepted:
21
07
2020
entrez:
30
7
2020
pubmed:
30
7
2020
medline:
4
3
2021
Statut:
epublish
Résumé
A new series of symmetrical organic dyes containing an indigo central core decorated with different electron donor groups have been prepared, starting from Tyrian Purple and using the Pd-catalyzed Stille-Migita coupling process. The effect of substituents on the spectroscopic properties of the dyes has been investigated theoretically and experimentally. In general, all dyes presented intense light absorption bands, both in the blue and red regions of the visible spectrum, conferring them a bright green color in solution. Using the same approach, an asymmetrically substituted D-A-π-A green dye, bearing a triarylamine electron donor and the cyanoacrylate acceptor/anchoring group, has been synthesized for the first time and fully characterized, confirming that spectroscopic and electrochemical properties are consistent with a possible application in dye-sensitized solar cells (DSSC).
Identifiants
pubmed: 32722406
pii: molecules25153377
doi: 10.3390/molecules25153377
pmc: PMC7435895
pii:
doi:
Substances chimiques
6,6'-dibromoindigo
0
Amines
0
Coloring Agents
0
Indoles
0
Indigo Carmine
D3741U8K7L
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
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