95098 20230914083304.0 doi 10.1039/d0tc00642d sideral 118673 ART-2020-118673 eng Giménez, Raquel Universidad de Zaragoza (orcid)0000-0002-7854-6316 Liquid crystalline copper(i) complexes with bright room temperature phosphorescence 2020 Access copy available to the general public Unrestricted Phosphorescence in the liquid crystal state with one of the highest quantum yield values, 42%, at room temperature is reported. This property is achieved with cyclic trinuclear copper(i) complexes prepared using 3, 5-dimethyl-4-(trialkoxyphenyl)pyrazolate ligands. The compounds show well-organized hexagonal columnar mesophases that are stable at room temperature or near room temperature with intracolumnar order at distances of 3.6 Å, red emission and lifetimes consistent with the excimeric metal-centered phosphorescence typical of copper trinuclear pyrazolato complexes. A non-mesogenic analogue shows similar properties, and the single crystal structure is formed by stacked molecules forming a supramolecular extended structure with two different intermolecular Cu¿Cu contacts, 3.368 Å and 3.666 Å, which are in the range of previously reported weak cuprophilic interactions. The results demonstrate that metallomesogens with efficient room temperature phosphorescence can be obtained with metal complexes other than the widely explored and precious metal-based iridium or platinum complexes. info:eu-repo/grantAgreement/ES/DGA/E07-17R info:eu-repo/grantAgreement/ES/DGA/E08-17R info:eu-repo/grantAgreement/ES/DGA/E47-17R info:eu-repo/grantAgreement/ES/MICINN/PGC2018-093761-B-C31 info:eu-repo/grantAgreement/ES/MINECO/CTQ2017-83421-P info:eu-repo/grantAgreement/ES/MINECO-FEDER/CTQ2016-75816-C2-1-P info:eu-repo/semantics/openAccess by-nc http://creativecommons.org/licenses/by-nc/3.0/es/ 7.393 2020 PHYSICS, APPLIED 25 / 160 = 0.156 2020 Q1 T1 MATERIALS SCIENCE, MULTIDISCIPLINARY 65 / 333 = 0.195 2020 Q1 T1 1.899 2020 Materials Chemistry 2020 Q1 Chemistry (miscellaneous) 2020 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Crespo, Olga Universidad de Zaragoza (orcid)0000-0001-9522-5840 Diosdado, Beatriz (orcid)0000-0002-9512-3913 Elduque, Anabel Universidad de Zaragoza (orcid)0000-0002-1373-4850 2010 760 Universidad de Zaragoza Dpto. Química Inorgánica Área Química Inorgánica 2013 765 Universidad de Zaragoza Dpto. Química Orgánica Área Química Orgánica 8, 19 (2020), 6552-6557 J. mater. chem. C JOURNAL OF MATERIALS CHEMISTRY C 2050-7526 3810806 http://zaguan.unizar.es/record/95098/files/texto_completo.pdf Versión publicada 62543 http://zaguan.unizar.es/record/95098/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:95098 articulos driver 2023-09-13-10:55:24 ARTICLE