Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 751, Issue -, Pages 430-437Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2013.07.048
Keywords
Diarylethene photochromism; Pt(II) complexes; Metal alkynyls; Luminescence
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Funding
- University of Hong Kong under the URC Strategic Research Theme on New Materials
- University Grants Committee Areas of Excellence Scheme [AoE/P-03/08]
- General Research Fund (GRF) from the Research Grants Council of Hong Kong Special Administrative Region, PR China [HKU 7060/12P]
- University Postdoctoral Fellowship
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The synthesis and incorporation of a versatile photochromic dithienylethene-containing diimine ligand, 2-(2'-pyridyl)imidazole, into platinum(II) bis-alkynyl system have been described. All the platinum(II) complexes have been successfully characterized by H-1 NMR spectroscopy, ESI mass spectrometry as well as elemental analysis. One of the complexes has been characterized by X-ray crystallography. Their photochromic, photophysical and electrochemical properties have been studied. Upon photo-excitation, all the platinum(II) complexes exhibited reversible photochromism. Their photophysical and electrochemical behaviors were found to be tunable by various substituents on the ligands. (C) 2013 Elsevier B.V. All rights reserved.
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