Comparison of solid-state and solution photophysical properties of a platinum(II) biphenyl dicarbonyl complex: a multiple-state emission study

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Authors
Zheng, Greg Y.
Rillema, D. Paul
Advisors
Issue Date
1998-03-23
Type
Article
Keywords
Research Projects
Organizational Units
Journal Issue
Citation
Inorganic chemistry. 1998 Mar 23; 37(6): 1392-1397.
Abstract

Pt(bph)(CO)(2), where bph is the biphenyl dianion, displays multiple emission by altering the temperature, solvent, or its state. Emission spectra and emission quantum yields are concentration and excitation wavelength dependent. In dilute 4:1 ethanol/methanol at room temperature, a structured emission at high energy ( approximately 500 nm) occurs, but in the solid state a nonstructured emission centered at ( approximately 750 nm) is found. Between these extremes, two other emissions located at approximately 540 and approximately 650 nm are observed. Emissions from high energy to low energy are attributed to the following: triplet emission centered on the bph ligand, emission from a dimer (exciplex), emission from an aggregate, and emission from "stacked" platinum(II) crystals.

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Publisher
American Chemical Society
Journal
Book Title
Series
Inorganic chemistry
Inorg Chem
PubMed ID
DOI
ISSN
1520-510X
0020-1669
EISSN