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Diimine ligand structure effects on photophysical properties of tricarbonyl rhenium(I) complexes having arylborane charge transfer units

Paper ID Volume ID Publish Year Pages File Format Full-Text
26471 43954 2015 10 PDF Available
Title
Diimine ligand structure effects on photophysical properties of tricarbonyl rhenium(I) complexes having arylborane charge transfer units
Abstract

•Structure–property relationships of rhenium(I)–arylborane complexes (ReB) were discussed.•ReB showed broad and intense absorption irrespective of the ligand structure.•ReB showed low-energy and long-lived emission irrespective of the ligand structure.•More effective MLCT/π(aryl)-p(B) CT interactions were for the phen-type complex.•Substitution position effects were studied based on DFT calculations.

We report the synthesis and photophysical properties of a novel tricarbonyl rhenium(I) complex having a (dimesityl)boryldurylethynyl (DBDE) group at the 4-position of a 2,2′-bipyridine (bpy) ligand, fac-[Re(CO)3(DBDE-bpy)Br] = ReBbpy, and discuss the diimine ligand structure effects on the spectroscopic and photophysical properties of the complex by comparing with those of the relevant 4-DBDE-1,10-phenanthroline (phen) type complex: fac-[Re(CO)3(DBDE-phen)Br] = ReBphen. The present study demonstrated that ReBbpy showed smaller DBDE effects on the spectroscopic and photophysical properties compared with ReBphen, whose origin was discussed in terms of the redox, absorption/emission, and time-dependent density functional theory calculation data on the complexes.

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Keywords
Diimine ligand structure effects; Tricarbonyl rhenium(I) complexes; Charge transfer interaction; Photophysical properties
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Diimine ligand structure effects on photophysical properties of tricarbonyl rhenium(I) complexes having arylborane charge transfer units
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 313, 1 December 2015, Pages 107–116
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us