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Pre-planarized triphenylamine-based linear mixed-valence charge-transfer systems: dedicated to Professor Fred Wudl on the occasionof his 80th birthday

Three linear dimers with two redox-active planarized triphenylamines were synthesized and their structures verified by X-ray crystallography. Their radical cations, which exhibit electron self-exchange between the two redox centers, are of great interest. This process was thoroughly investigated by...

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Hauptverfasser: Krug, Marcel (VerfasserIn) , Fröhlich, Nina (VerfasserIn) , Fehn, Dominik (VerfasserIn) , Vogel, Alexander (VerfasserIn) , Rominger, Frank (VerfasserIn) , Meyer, Karsten (VerfasserIn) , Clark, Timothy (VerfasserIn) , Kivala, Milan (VerfasserIn) , Guldi, Dirk M. (VerfasserIn)
Dokumenttyp: Article (Journal) Festschrift
Sprache:Englisch
Veröffentlicht: March 15, 2021
In: Angewandte Chemie. International edition
Year: 2021, Jahrgang: 60, Heft: 12, Pages: 6771-6777
ISSN:1521-3773
DOI:10.1002/anie.202014567
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Festschrift
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1002/anie.202014567
Verlag, kostenfrei, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.202014567
Volltext
Verfasserangaben:Marcel Krug, Nina Fröhlich, Dominik Fehn, Alexander Vogel, Frank Rominger, Karsten Meyer, Timothy Clark, Milan Kivala and Dirk M. Guldi
Beschreibung
Zusammenfassung:Three linear dimers with two redox-active planarized triphenylamines were synthesized and their structures verified by X-ray crystallography. Their radical cations, which exhibit electron self-exchange between the two redox centers, are of great interest. This process was thoroughly investigated by means of electron paramagnetic resonance spectroscopy, absorption spectroscopy, and (time-dependent) density functional theory calculations. A comparison of the key parameters of electron transfer with non-planarized nitrogen-centered building blocks emphasizes the impact of using redox centers with low internal reorganization energies. However, the distance-dependence attenuation factor of the super-exchange mechanisms remains similar.
Beschreibung:First published: 11 December 2020
Gesehen am 20.09.2022
Beschreibung:Online Resource
ISSN:1521-3773
DOI:10.1002/anie.202014567

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