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Photophysical properties of cyclometalated Pt(II) complexes attached with pyrene by CC single bond

Paper ID Volume ID Publish Year Pages File Format Full-Text
29164 44127 2008 8 PDF Available
Title
Photophysical properties of cyclometalated Pt(II) complexes attached with pyrene by CC single bond
Abstract

Luminescent complexes, [(C^N^N)Pt(C≡CR)](HC^N^N = 4-(1-phenyl)-6-phenyl-2,2′-bipyridine, R = Ph (1, PPPt); HC^N^N = 4-(1-pyrene)-6-phenyl-2, 2′-bipyridine; R = Ph (2, PyPPt), p-Et-Ph (3, PyEPPt)), were synthesized and their photophysical properties were investigated in acetonitrile liquid solution and butyronitrile glasses at 77 K. These complexes display steady state dual emissions at room temperature and 77 K. The emission lifetime and transient absorption of these complexes illustrated that the 3IL triplet state of the molecules could be acquired through the intersystem crossing directly from 1MLCT state and the triplet–triplet internal conversion from the 3MLCT state to the 3IL state was negligible in the molecules.

Keywords
Photophysical properties; Cyclometalated Pt(II) complexes
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Photophysical properties of cyclometalated Pt(II) complexes attached with pyrene by CC single bond
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 194, Issues 2–3, 20 February 2008, Pages 230–237
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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