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.