Regular arrays of C 60 -based molecular rotors mounted on the surface of tris( o -phenylenedioxy)cyclotriphosphazene nanocrystals

Dielectric spectroscopy has been used to determine the barriers of rotation of surface-mounted fullerenes (2.3 ± 0.1 and 4.3 ± 0.1 kcal mol −1 ). In order to achieve this, a C 60 derivative equipped with an anchoring group designed to form a surface inclusion with the hexagonal form of tris( o -phen...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2024-01, Vol.60 (8), p.960-963
Main Authors: Hurtado, Carina Santos, Bastien, Guillaume, Rončević, Igor, Dračínský, Martin, Tortorici, Teddy, Rogers, Charles T., Michl, Josef, Kaleta, Jiří
Format: Article
Language:English
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Summary:Dielectric spectroscopy has been used to determine the barriers of rotation of surface-mounted fullerenes (2.3 ± 0.1 and 4.3 ± 0.1 kcal mol −1 ). In order to achieve this, a C 60 derivative equipped with an anchoring group designed to form a surface inclusion with the hexagonal form of tris( o -phenylenedioxy)cyclotriphosphazene (TPP) has been synthesized. Solid-state NMR analysis revealed that approximately 50% of the surface-mounted molecules have a chemical environment different from the others suggesting two distinct insertion modes. These observations correlate with results of DFT calculations.
ISSN:1359-7345
1364-548X
DOI:10.1039/D3CC04559E