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Intriguing Near-Infrared Solid-State Luminescence of Binuclear Silver(I) Complexes Based on Pyridylphospholane Scaffolds

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journal contribution
posted on 30.05.2019, 12:08 by Aliia V. Shamsieva, Elvira I. Musina, Tatiana P. Gerasimova, Robert R. Fayzullin, Ilya E. Kolesnikov, Aida I. Samigullina, Sergey A. Katsyuba, Andrey A. Karasik, Oleg G. Sinyashin
A series of novel charged disilver­(I) complexes with pyridyl-containing phospholanes was synthesized. These complexes were characterized using a range of spectroscopic techniques and single-crystal and powder X-ray diffraction. The complexes demonstrate solid-state near-infrared (NIR) luminescence (765–902 nm) that is unique for dinuclear AgI complexes. Combined spectroscopic/quantum chemical analysis suggests that the NIR luminescence of complexes 46 in the solid state is mainly due to crystal packing effects.