Tuning the optical properties of spiro-centered charge-transfer dyes by extending the donor or acceptor part
Literature Information
Publication Date
2019-09-30
DOI
10.1039/C9QO01134J
Impact Factor
5.281
Authors
Jan S. Wössner, David C. Grenz, Daniel Kratzert
View Original
Abstract
Charge-transfer-based materials with intramolecular donor–acceptor structure are widely used in technological applications. A separation of donor and acceptor through a tetrahedral spiro center leads to a rigid orthogonal arrangement. Furthermore, spiroconjugation can enhance efficient charge transfer. We herein present the syntheses, structural, electrochemical and optical properties of spiro-based CT compounds with diamine donors and diketone acceptors supported by TDDFT calculations. All compounds showed strong charge transfer in their absorbance spectra. Extending the acceptor or donor part of these compounds led to materials with emissions from the CT states. These results can aid the future design of spiro-DA-compounds towards achieving the desired optical properties.
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Source Journal
Organic Chemistry Frontiers
CiteScore:
7.8
Self-citation Rate:
8.7%
Articles per Year:
724
Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry
Recommended Compounds
![2,2'-{2,2-Propanediylbis[(2,6-dibromo-4,1-phenylene)oxy]}diethanol structure](https://static.chemtradehub.com/structs/416/4162-45-2-b3d6.webp "2,2'-{2,2-Propanediylbis[(2,6-dibromo-4,1-phenylene)oxy]}diethanol structure")
2,2'-{2,2-Propanediylbis[(2,6-dibromo-4,1-phenylene)oxy]}diethanol
CAS Number:
4162-45-2
Molecular Formula:
C19H20Br4O4
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