Semiconductive coordination polymers with continuous π-π interactions and defined crystal structures

Two semiconductive coordination polymers based on a chelating redox-active ligand were synthesized and structurally characterized. Strong and continuous intermolecular π-π interactions are likely the reason for moderate electrical conductivity of about 10 −5 S m −1 in these materials. The results of...

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Published inChemical communications (Cambridge, England) Vol. 57; no. 8; pp. 147 - 141
Main Authors Yan, Yong, Henfling, Stefan, Zhang, Ning-Ning, Krautscheid, Harald
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 07.10.2021
Subjects
Charge transport
chelates
Chelation
chemical communication
chemical interactions
Coordination polymers
Crystal structure
Crystals
electrical conductivity
Electrical resistivity
ligands
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Summary:Two semiconductive coordination polymers based on a chelating redox-active ligand were synthesized and structurally characterized. Strong and continuous intermolecular π-π interactions are likely the reason for moderate electrical conductivity of about 10 −5 S m −1 in these materials. The results of DFT calculations indicate that the continuous π-π stacking structure contributes to the orbital overlap and thus improves charge transport performance. Two layered semiconducting coordination polymers with chelating redox-active ligands were synthesized. Their moderate electrical conductivity is assigned to orbital overlap originating in continuous π-π interactions.
Bibliography:2090235-2090237
For ESI and crystallographic data in CIF or other electronic format see DOI
Electronic supplementary information (ESI) available: Materials, methods, synthesis, X-ray structure data and additional Fig. S1-S14. CCDC
2106731
10.1039/d1cc03333f
and
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d1cc03333f