Radiationless transitions in linear polyenes

U. Dinur, B. Scharf

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Electronic radiationless transitions in linear polyenes are discussed from a theoretical point of view. Only in-plane relaxation is considered. It is concluded that for a given energy gap, the nonradiative decay rate is a decreasing function of the chain length. Model calculations of the nonradiative lifetime as a function of the polyene chain length are presented. For those cases where comparison with the experiment is possible (8 to 12 membered polyenes) agreement with the calculations is reasonable. The decrease in the rate of radiationless transitions with the increase in the molecular system is shown to have implications for biological systems, such as rhodopsin, that undergo a fast photochemical change.

Original languageEnglish
Pages (from-to)2600-2608
Number of pages9
JournalJournal of Chemical Physics
Issue number6
StatePublished - 1 Jan 1983

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


Dive into the research topics of 'Radiationless transitions in linear polyenes'. Together they form a unique fingerprint.

Cite this