Cuerva de Alaiz, CristianCampo Santillana, José AntonioCano Esquivel, María MercedesLodeiro, Carlos2024-01-122024-01-122016Cuerva C, Campo JA, Cano M, Lodeiro C. Platinum(II) metallomesogens: new external-stimuli-responsive photoluminescence materials. Chem. Eur. J, 2016, 22, 10168-101780947-653910.1002/chem.201601115https://hdl.handle.net/20.500.14352/92760New dicatenar isoquinoline-functionalized pyrazoles, [HpzR(n,n)iq] (R(n,n)=C6H3(OCnH2n+1)2; n=4, 6, 8, 10, 12, 14, 16, 18), have been strategically designed and synthesized to induce mesomorphic and luminescence properties into the corresponding bis(isoquinolinylpyrazolate)platinum(II) complexes [Pt(pzR(n,n)iq)2]. Thermal studies reveal that all platinum(II) compounds exhibit columnar mesophases over an exceptionally wide temperature range, above 300 °C in most cases. The photophysical behavior was also investigated in solution and in the solid state. As a consequence of the formation of Pt⋅⋅⋅Pt interactions, the weak greenish emission of the platinum derivatives turns bright orange in the mesophase. Additionally, the complexes are sensitive to a great variety of external inputs, such as temperature, mechanical grinding, pressure, solvents, and vapors. On this basis, they are used as dopant agents of a polyvinylpyrrolidone or poly(methyl methacrylate) polymer matrix to achieve stimuli-responsive thin films.engAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/journal article1521-3765https://doi.org/10.1002/chem.201601115open access546Pt(II) metallomesogensLiquid crystalsLuminescenceSmart materialsStimuli-responsive materialsQuímica2303 Química Inorgánica