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Título: | Tetrathiafulvalene–Polychlorotriphenylmethyl Dyads: Influence of Bridge and Open-Shell Characteristics on Linear and Nonlinear Optical Properties |
Autor: | Souto Salom, Manuel; Calbo, Joaquín; Ratera, Immaculada; Ortí, Enrique; Veciana, Jaume CSIC ORCID CVN | Palabras clave: | Donor–acceptor complexes Intramolecular charge transfer Nonlinear optics PTM radicals Tetrathiafulvalene |
Fecha de publicación: | 16-ago-2017 | Editor: | Wiley-VCH | Citación: | Chemistry - a European Journal 23(46): 11067-11075 (2017) | Resumen: | Three conjugated donor-π-acceptor radical systems (1 a–1 c) were prepared by bridging a tetrathiafulvalene (TTF) electron-donor unit to a polychlorotriphenylmethyl (PTM) electron-acceptor radical through vinylene units of different lengths. The dependence of the intramolecular charge transfer on the length of the conjugated bridge has been analyzed by different electrochemical and spectroscopic techniques. Linear optical properties and the second-order nonlinear optical (NLO) response of these derivatives have been computed by comparing systems 1 a–1 c with the non-radical analogues (2 a–2 c). Interestingly, an enhanced NLO response is predicted for dyads 1 a–1 c with PTM in the radical form and for compounds with longer vinylene bridges. Calculations confirm the active role the bridge plays for electronic communication between the donor TTF and the acceptor PTM units. | Versión del editor: | http://dx.doi.org/10.1002/chem.201701623 | URI: | http://hdl.handle.net/10261/160784 | ISSN: | 0947-6539 | E-ISSN: | 1521-3765 |
Aparece en las colecciones: | (ICMAB) Artículos |
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Souto_ChemEurJ_2017_postprint.pdf | Artículo principal | 983,43 kB | Adobe PDF | Visualizar/Abrir |
Souto_ChemEurJ_2017_suppl_postprint.pdf | Información complemetaria | 2,88 MB | Adobe PDF | Visualizar/Abrir |
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