Formation and decay of styrene-amine exciplexes

Frederick D. Lewis; Dario M. Bassani

doi:10.1016/1010-6030(92)85117-D

Formation and decay of styrene-amine exciplexes

Frederick D. Lewis^*, Dario M. Bassani

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

The formation and decay of the fluorescent exciplexes formed between two styrenes (trans-1-phenylpropene and trans-1-(4-cyanophenyl)propene) and two trialkylamines (triethylamine and diisopropylethylamine) were investigated using steady state and transient fluorescence measurements. The standard exciplex kinetic scheme has been expanded for the first time to include quenching of a reversibly-formed exciplex by ground state amine. Analysis of the data for the four exciplex systems provides examples of the four possible modes of exciplex formation (reversible and irreversible) and decay (quenched and unquenched). An anticipated, an increase in the driving force for exciplex formation leads to a decrease in the rate constant for exciplex dissociation, while an increase in the steric bulk of the amine leads to a decrease in the rate constant for exciplex quenching by ground state amine.

Original language	English (US)
Pages (from-to)	43-52
Number of pages	10
Journal	Journal of Photochemistry and Photobiology, A: Chemistry
Volume	66
Issue number	1
DOIs	https://doi.org/10.1016/1010-6030(92)85117-D
State	Published - May 29 1992

Funding

Support for this research was provided by the National Science (Research Grant CHE-8922835 and Equipment Grant CBT-8908046).

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Physics and Astronomy

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10.1016/1010-6030(92)85117-D

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title = "Formation and decay of styrene-amine exciplexes",

abstract = "The formation and decay of the fluorescent exciplexes formed between two styrenes (trans-1-phenylpropene and trans-1-(4-cyanophenyl)propene) and two trialkylamines (triethylamine and diisopropylethylamine) were investigated using steady state and transient fluorescence measurements. The standard exciplex kinetic scheme has been expanded for the first time to include quenching of a reversibly-formed exciplex by ground state amine. Analysis of the data for the four exciplex systems provides examples of the four possible modes of exciplex formation (reversible and irreversible) and decay (quenched and unquenched). An anticipated, an increase in the driving force for exciplex formation leads to a decrease in the rate constant for exciplex dissociation, while an increase in the steric bulk of the amine leads to a decrease in the rate constant for exciplex quenching by ground state amine.",

author = "Lewis, {Frederick D.} and Bassani, {Dario M.}",

note = "Funding Information: Support for this research was provided by the National Science (Research Grant CHE-8922835 and Equipment Grant CBT-8908046).",

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T1 - Formation and decay of styrene-amine exciplexes

AU - Lewis, Frederick D.

AU - Bassani, Dario M.

N1 - Funding Information: Support for this research was provided by the National Science (Research Grant CHE-8922835 and Equipment Grant CBT-8908046).

PY - 1992/5/29

Y1 - 1992/5/29

N2 - The formation and decay of the fluorescent exciplexes formed between two styrenes (trans-1-phenylpropene and trans-1-(4-cyanophenyl)propene) and two trialkylamines (triethylamine and diisopropylethylamine) were investigated using steady state and transient fluorescence measurements. The standard exciplex kinetic scheme has been expanded for the first time to include quenching of a reversibly-formed exciplex by ground state amine. Analysis of the data for the four exciplex systems provides examples of the four possible modes of exciplex formation (reversible and irreversible) and decay (quenched and unquenched). An anticipated, an increase in the driving force for exciplex formation leads to a decrease in the rate constant for exciplex dissociation, while an increase in the steric bulk of the amine leads to a decrease in the rate constant for exciplex quenching by ground state amine.

AB - The formation and decay of the fluorescent exciplexes formed between two styrenes (trans-1-phenylpropene and trans-1-(4-cyanophenyl)propene) and two trialkylamines (triethylamine and diisopropylethylamine) were investigated using steady state and transient fluorescence measurements. The standard exciplex kinetic scheme has been expanded for the first time to include quenching of a reversibly-formed exciplex by ground state amine. Analysis of the data for the four exciplex systems provides examples of the four possible modes of exciplex formation (reversible and irreversible) and decay (quenched and unquenched). An anticipated, an increase in the driving force for exciplex formation leads to a decrease in the rate constant for exciplex dissociation, while an increase in the steric bulk of the amine leads to a decrease in the rate constant for exciplex quenching by ground state amine.

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Formation and decay of styrene-amine exciplexes

Abstract

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ASJC Scopus subject areas

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