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Photophysical and photochemical processes followed by 320 nm femtosecond laser excitation of IrCl62− complex in aqueous and methanol solutions

Paper ID Volume ID Publish Year Pages File Format Full-Text
26861 43982 2014 8 PDF Available
Title
Photophysical and photochemical processes followed by 320 nm femtosecond laser excitation of IrCl62− complex in aqueous and methanol solutions
Abstract

•Primary photophysical processes for IrCl62− complex in solutions were studied.•Mixed LMCT and d–d states in the near UV spectral region were excited.•The characteristic time of the ground state recovery is 20–30 ps.•Ground state recovery is consistent with low photochemical activity of near UV bands.

Ultrafast pump-probe spectroscopy (λpump = 320 nm) was applied to study the primary photochemical processes for IrCl62− complex in aqueous and methanol solutions. The excitation to the mixed LMCT and d–d states was followed by formation of an intermediate absorption completely decaying with the characteristic time of 20–30 ps. The almost complete recovery of the ground state is consistent with the low photochemical activity caused by the excitation of IrCl62− into the region of the near UV bands. Comparison with the recently published results on the visible excitation of the complex is presented.

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Keywords
Photophysics; IrCl62− complex; Aqueous solutions; Alcohol solutions; UV spectra; Ultrafast kinetic spectroscopy
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Photophysical and photochemical processes followed by 320 nm femtosecond laser excitation of IrCl62− complex in aqueous and methanol solutions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 292, 15 October 2014, Pages 34–41
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