Control of the organization of 4,4′-bis(carbazole)-1,1′-biphenyl (CBP) molecular materials through siloxane functionalization
Abstract
We show that through the introduction of short dimethylsiloxane chains, it was possible to suppress the crystalline state of CBP in favor of various types of organization, transitioning from a soft crystal to a fluid liquid crystal mesophase, then to a liquid state. Characterized by X-ray scattering, all organizations reveal a similar layered configuration in which layers of edge-on lying CBP cores alternate with siloxane. The difference between all CBP organizations essentially lay on the regularity of the molecular packing that modulates the interactions of neighboring conjugated cores. As a result, the materials show quite different thin film absorption and emission properties, which could be correlated to the features of the chemical architectures and the molecular organizations.
Citation
Shaya , J , Ribierre , J-C , Correia , G , Dappe , Y J , Mathevet , F , Mager , L , Heinrich , B & Méry , S 2023 , ' Control of the organization of 4,4′-bis(carbazole)-1,1′-biphenyl (CBP) molecular materials through siloxane functionalization ' , Molecules , vol. 28 , no. 5 , 2038 . https://doi.org/10.3390/molecules28052038
Publication
Molecules
Status
Peer reviewed
ISSN
1420-3049Type
Journal article
Description
Funding: This research was funded by the French National Research Agency (ANR) through the Programme d’Investissement d’Avenir under contract ANR-11-LABX-0058-NIE within the Investissement d’Avenir program ANR-10-IDEX-0002-02.Collections
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