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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/127064
Dual emission and multi-stimuli-response in iiridium(III) complexes with aggregation-induced enhanced emission: application for quantitative CO<sub>2</sub> detection
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Four new Ir(III) complexes with the general formula [IrHCl(C^N)(PPh3)2] containing different conjugated Schiff base ligands (C^N) have been synthesized and characterized by 1H, 13C, and 31P NMR, HRMS, and IR spectra and one of them by single crystal X-ray diffraction. Their photophysical properties in solution and in the solid state have been analyzed and three main practical results have been obtained: (i) a dual fluorescent and phosphorescent emissive complex in solution, (ii) successful acid/base sensing in the solid state and (iii) quantitative CO2 detection. Quantum chemical calculations have been employed to assign the character of the lowest excited states. A plausible explanation for the observed aggregation induced enhanced emission (AIEE) is given, based on the restriction of intramolecular motions due to the effect of intermolecular C-Hp and C-HCl type interactions upon aggregation.
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CLIMENT BIESCAS, Claudia, ALAM, Parvej, PASHA, Sheik saleem, KAUR, Gurpreet, CHOUDHURY, Angshuman roy, LASKAR, Inamur rahaman, ALEMANY I CAHNER, Pere, CASANOVA I CASAS, David. Dual emission and multi-stimuli-response in iiridium(III) complexes with aggregation-induced enhanced emission: application for quantitative CO<sub>2</sub> detection. _Journal of Materials Chemistry C_. 2017. Vol. 5, núm. 7784-7798. [consulta: 14 de gener de 2026]. ISSN: 2050-7526. [Disponible a: https://hdl.handle.net/2445/127064]