10.1021/ic201423q.s001 Eladio J. Rivera Eladio J. Rivera Cindy Barbosa Cindy Barbosa Rafael Torres Rafael Torres Harry Rivera Harry Rivera Estevao R. Fachini Estevao R. Fachini Tyler W. Green Tyler W. Green William B. Connick William B. Connick Jorge L. Colón Jorge L. Colón Luminescence Rigidochromism and Redox Chemistry of Pyrazolate-Bridged Binuclear Platinum(II) Diimine Complex Intercalated into Zirconium Phosphate Layers American Chemical Society 2012 600 nm material solution Diffuse reflectance spectra Pt Redox Chemistry Zirconium Phosphate LayersThe platinum dimer salt Zirconium phosphate layers zirconium phosphate platinum oxidation states intercalated spectroscopic properties Luminescence Rigidochromism luminescence spectroscopies emission ZrP 2012-03-05 00:00:00 Journal contribution https://acs.figshare.com/articles/journal_contribution/Luminescence_Rigidochromism_and_Redox_Chemistry_of_Pyrazolate_Bridged_Binuclear_Platinum_II_Diimine_Complex_Intercalated_into_Zirconium_Phosphate_Layers/2544274 The direct intercalation of a pyrazolate-bridged platinum­(II) bipyridyl dimer ([{Pt­(dmbpy)­(μ-pz)}<sub>2</sub>]<sup>2+</sup>; dmbpy = 4,4′-dimethyl-2,2′-bipyridine, pz<sup>–</sup> = pyrazolate) within a zirconium phosphate (ZrP) framework has been accomplished. The physical and spectroscopic properties of [{Pt­(dmbpy)­(μ-pz)}<sub>2</sub>]<sup>2+</sup> intercalated in ZrP were investigated by X-ray powder diffraction and X-ray photoelectron, infrared, absorption, and luminescence spectroscopies. Zirconium phosphate layers have a special microenvironment that is capable of supporting a variety of platinum oxidation states. Diffuse reflectance spectra from powders of the blue-gray intercalated materials show the formation of a low-energy band at 600 nm that is not present in the platinum dimer salt. The nonintercalated complex is nonemissive in room-temperature fluid solution, but gives rise to intense blue-green emission in a 4:1 ethanol/methanol 77 K frozen glassy solution. Powders and colloidal suspensions of [{Pt­(dmbpy)­(μ-pz)}<sub>2</sub>]<sup>2+</sup>-exchanged ZrP materials exhibit intense emissions at room-temperature.