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American Chemical Society, Journal of Physical Chemistry Letters, 16(4), p. 2721-2726, 2013

DOI: 10.1021/jz4013855

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Thermomagnetic Molecular System Based on TTF-PTM Radical: Switching the Spin and Charge Delocalization

Journal article published in 2013 by Manuel Souto ORCID, Vega Lloveras, Judith Guasch ORCID, Paula Mayorga ORCID, Juan T. Lopez Navarrete, Imma Ratera ORCID, Juan Casado, Concepció Rovira, Anna Painelli ORCID, Jaume Veciana ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The electron donor–acceptor dyad 1, based on a polychlorotriphenylmethyl radical subunit linked to a tetrathiafulvalene moiety, shows in DMF solution a reversible temperature-induced switching between diamagnetic dimers, observed at room temperature, and paramagnetic monomers at high temperature. Different optical and magnetic properties are observed for the two states of this supramolecular switch, related to the subtle interplay between intramolecular electron-transfer and intermolecular charge-transfer processes.