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Molecular structure control of intramolecular electronic energy transfer

✍ Scribed by Shammai Speiser; Frank Schael

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
565 KB
Volume
86
Category
Article
ISSN
0167-7322

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✦ Synopsis

We show that the rate of through-bond-mediated intramolecular singlet-singlet electronic energy transfer (EET) in the rigid novel 10-bond DMN-bridge-dione 2(10) is five orders of magnitude faster than that predicted for 1(10) DMN monoketone and observed in the steroid systems exhibiting comparable interchromophore separations of 12.5A. The efficiency of energy transfer (>99.5% calculated based on the measured rate) is also much larger than that observed in flexibly linked systems containing the same donor-acceptor chromophores, for which through space EET via exchange interaction is dominant, thus indicating the possibility of controlling EET by judicious molecular engineering.

πŸ“œ SIMILAR VOLUMES

Corrigendum to β€œMolecular structure cont
Corrigendum to β€œMolecular structure control of intramolecular electronic energy transfer”
✍ Shammai Speiser; Frank Schael πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 56 KB

Due to oversight and negligence on behalf of the authors no proper acknowledgement was given to the important collaboration they had with professor Michael Paddon-Row and Mr. Nigel Lokan from the University of NSW, Sydney Australia and to Professor Ken Ghiggino and Dr. Trevor Smith from the Universi