Issue 3, 2006
From the journal:

Organic & Biomolecular Chemistry

Control of self-aggregation of fullerenes by connection with calix[4]arene: solvent- and guest-effects to particle size†

Atsushi Ikeda,*a   Taishin Irisa,a   Tomoe Hamano,a   Toyokazu Kitahashi,a   Yoshihiro Sasaki,a   Mineo Hashizume,a   Jun-ichi Kikuchi,a   Toshifumi Konishib  and  Seiji Shinkaic  

* Corresponding authors

a Graduate School of Materials Science, Nara Institute of Science and Technology, Takayama, Ikoma, Nara, Japan
E-mail: aikeda@ms.naist.jp
Fax: 81-743-72-6099
Tel: 81-743-72-6091

b RIKEN (The Institute of Physical and Chemical Research), 2-1 Hirosawa, Wako, Saitama, Japan

c Department of Chemistry & Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka, Japan

Abstract

A new molecular design of fullerene derivatives exhibiting trigger-responsive self-aggregation in organic solvents has been established. Calix[4]arene was covalently connected with fullerene in order to apply host–guest interaction to the aggregation control. The self-assembly behaviour was studied in organic solvents by UV–vis absorption spectroscopy, dynamic light scattering and transmission electron microscopy. Results show that the bisfullerene formed self-aggregations with a low polydispersity index due to the fullerenes' tendency to aggregate in polar organic solvents. Furthermore, the aggregate sizes can be changed readily by solvent composition and the addition of guest cations. Especially, disaggregation of the bisfullerene was induced by addition of LiClO4 or NaClO4.

Graphical abstract: Control of self-aggregation of fullerenes by connection with calix[4]arene: solvent- and guest-effects to particle size

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Article information

DOI
https://doi.org/10.1039/B513123E
Article type
Paper
Submitted
16 Sep 2005
Accepted
25 Nov 2005
First published
19 Dec 2005

Org. Biomol. Chem., 2006,4, 519-523

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Control of self-aggregation of fullerenes by connection with calix[4]arene: solvent- and guest-effects to particle size

A. Ikeda, T. Irisa, T. Hamano, T. Kitahashi, Y. Sasaki, M. Hashizume, J. Kikuchi, T. Konishi and S. Shinkai, Org. Biomol. Chem., 2006, 4, 519 DOI: 10.1039/B513123E

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