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Issue 71, 2017
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Ionic manipulation of charge-transfer and photodynamics of [60]fullerene confined in pyrrolo-tetrathiafulvalene cage

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Abstract

A cage molecule incorporating three electron donating monopyrrolotetrathiafulvalene units was synthesised to host electron accepting [60]fullerenes. Formation of a strong 1 : 1 donor–acceptor (D–A) complex C60⊂1 was confirmed by solid state X-ray analysis as well as 1H NMR and absorption spectroscopic analyses of the arising charge-transfer (CT) band (λ = 735 nm, ε ≈ 840 M−1 cm−1). Inserting Li+ inside the [60]fullerene increased the binding 28-fold (Ka = 3.7 × 106 M−1) and a large bathochromic shift of the CT band to the near infrared (NIR) region (λ = 1104 nm, ε ≈ 4800 M−1 cm−1) was observed.

Graphical abstract: Ionic manipulation of charge-transfer and photodynamics of [60]fullerene confined in pyrrolo-tetrathiafulvalene cage

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Publication details

The article was received on 15 May 2017, accepted on 11 Aug 2017 and first published on 14 Aug 2017


Article type: Communication
DOI: 10.1039/C7CC03775A
Citation: Chem. Commun., 2017,53, 9898-9901
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    Ionic manipulation of charge-transfer and photodynamics of [60]fullerene confined in pyrrolo-tetrathiafulvalene cage

    S. Bähring, K. R. Larsen, M. Supur, K. A. Nielsen, T. Poulsen, K. Ohkubo, C. W. Marlatt, E. Miyazaki, K. Takimiya, A. H. Flood, S. Fukuzumi and J. O. Jeppesen, Chem. Commun., 2017, 53, 9898
    DOI: 10.1039/C7CC03775A

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