Transient Absorption and Raman
Studies on Exciplex Formation
Dynamics of Photoexcited
Cu(II)(TMpy-P4) With Synthetic
Polynucleotide

Jeoung, Sae Chae; Eom, Hyo Soon; Kim, Dongho

doi:https://doi.org/10.1155/1999/52027

Laser Chemistry

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Proceedings of the Eighth Conference on Time-Resolved Vibrational Spectroscopy

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Volume 19 | Article ID 052027 | https://doi.org/10.1155/1999/52027

Transient Absorption and Raman Studies on Exciplex Formation Dynamics of Photoexcited Cu(II)(TMpy-P4) With Synthetic Polynucleotide

Sae Chae Jeoung,¹Hyo Soon Eom,¹and Dongho Kim¹

Received07 Apr 1997

Abstract

Exciplex formation dynamics of photoexcited copper(II) tetrakis (4-N-methylpyridyl) porphyrin (Cu(II)(TMpy-P4)) with added poly(dA-dT)₂ and poly(dG-dC)₂ has been investigated by using femtosecond transient absorption and nanosecond and picosecond transient Raman spectroscopic methods. It was observed that the decay time constant of the exciplex is strongly dependent on the polynucleotide and has a strong correlation with the appearance of new transient Raman bands.

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Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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