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Effect of covalent functionalization of C60 fullerene on its encapsulation by water soluble calixarenes |
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| Authors: | Sándor Kunsági-Máté Giuseppe Vasapollo Kornélia Szabó István Bitter Giuseppe Mele Luigia Longo László Kollár |
| Institution: | (1) Department of General and Physical Chemistry, University of Pécs, Ifjúság 6, Pecs, 7624, Hungary;(2) Dipartimento di Ingegnerià dell’Innovazione, University of Lecce, via Arnesano, Lecce, 73100, Italy;(3) Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budafoki út 3-6, Budapest, 1114, Hungary;(4) Department of Inorganic Chemistry, University of Pécs, Ifjúság 6, Pecs, 7624, Hungary |
| Abstract: | The molecular encapsulation of functionalized fullerenes (substituted fulleropyrrolidines) with water-soluble calixarenes was studied by photoluminescence and quantum-chemical methods. The results show that both the thiacalix4]arene-tetrasulfonate and calix6]arene-hexasulfonate are able to overcome the natural water-repulsive character of fullerenes. However, the functionalization of calixarenes and fullerenes induces significant changes in the molecular encapsulation processes, and the obtained thermodynamic behavior of the complex formation highlights the importance of the entropy. Our results can contribute to the development of the synthesis and design of functionalized calixarenes supporting their application in pharmaceutical and food chemistry. |
| Keywords: | Complex formation Molecular capsules Functionalized fullerenes |
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