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Three host peculiarities of a cycloalkane-based micelle toward large metal-complex guests

Author

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  • Mamiko Hanafusa

    (Tokyo Institute of Technology)

  • Yamato Tsuchida

    (Tokyo Institute of Technology)

  • Kyosuke Matsumoto

    (Tokyo Institute of Technology)

  • Kei Kondo

    (Tokyo Institute of Technology)

  • Michito Yoshizawa

    (Tokyo Institute of Technology)

Abstract

Linear alkanes are essential building blocks for natural and artificial assemblies in water. As compared with typical, linear alkane-based micelles and recent aromatic micelles, we herein develop a cycloalkane-based micelle, consisting of bent amphiphiles with two cyclohexyl frameworks. This uncommon type of micelle, with a spherical core diameter of ~ 2 nm, forms in water in a spontaneous and quantitative manner. The cycloalkane-based, hydrophobic cavity displays peculiar host abilities as follows: (i) highly efficient uptake of sterically demanding Zn(II)-tetraphenylporphyrin and rubrene dyes, (ii) selective uptake of substituted Cu(II)-phthalocyanines and spherical nanocarbons, and (iii) uptake-induced solution-state emission of [Au(I)-dimethylpyrazolate]3 in water. These host functions toward the large metal-complex and other guests studied herein remain unaccomplished by previously reported micelles and supramolecular containers.

Suggested Citation

  • Mamiko Hanafusa & Yamato Tsuchida & Kyosuke Matsumoto & Kei Kondo & Michito Yoshizawa, 2020. "Three host peculiarities of a cycloalkane-based micelle toward large metal-complex guests," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-19886-4
    DOI: 10.1038/s41467-020-19886-4
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