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Intriguing Near-Infrared Solid-State Luminescence of Binuclear Silver(I) Complexes Based on Pyridylphospholane
Aliia V Shamsieva1, Elvira I Musina1, Tatiana P Gerasimova1
1Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center, Russian Academy of Sciences , Arbuzov Street 8 , 420088 Kazan , Russian Federation.
Abstract:
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 4-6 in the solid state is mainly due to crystal packing effects.
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