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EnglishAn extensive investigation of aggregation phenomena occurring in solution for a family of electron donor–acceptor derivatives, based on polychlorotriphenylmethyl radicals (PTM) linked via a vinylene-bridge to tetrathiafulvalene (TTF) units, is presented. A large set of temperature and/or concentration dependent optical absorption and electron spin resonance (ESR) spectra in a solution of dyads bearing different number of electrons and/or with a hydrogenated PTM residue offer reliable information on the formation of homo dimers and mixed valence dimers. The results shed light on the reciprocal influence of intramolecular electron transfer (IET) within a dyad and the intermolecular charge transfer (CT) occurring in a dimer between the TTF residues and are rationalized based on a theoretical model that describes both interactions.
| Titolo: | Intra- and Intermolecular Charge Transfer in Aggregates of Tetrathiafulvalene-Triphenylmethyl Radical Derivatives in Solution | |
| Autori: | J. Guasch; L. Grisanti; M. Souto; V. Lloveras; J. Vidal- Gancedo; I. Ratera; A. Painelli; C. Rovira; J. Veciana | |
| Rivista: | ||
| Data di pubblicazione: | 2013 | |
| Volume: | 135 | |
| Pagina iniziale: | 6958 | |
| Pagina finale: | 6967 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1021/ja400281b | |
| Appare nelle tipologie: | 1.1 Journal article |
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http://hdl.handle.net/20.500.11767/32947
