DOI: 10.1063/1.1734311. Radiationless Triplet—Singlet Transitions in Naphthalene

Radiationless Triplet—Singlet Transitions in Naphthalene

10.1063/1.1734311

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The fluorescent intensity, phosphorescent intensity, and phosphorescent lifetime of naphthalene and naphthalene-ds, dissolved in durene, were measured as a function of temperature from 77° to 325°K. These measurements indicate that radiationless transitions from the first excited singlet state are temperature-independent but radiationless transitions from the lowest triplet are strongly temperature-dependent. Analysis of the data for the decay of the triplet state indicates that only one activated state is responsible for this temperature dependence. The activation energy and pre-exponential factor for decay from this state are 3559±79 cm—1 and (4.2±1.5)×107 sec—1 for naphthalene, and 3362±35 cm—1 and (1.30±0.24)×107 sec—1 for naphthalene-ds. These data can be interpreted as corresponding to the excitation of one of the intramolecular CC stretching modes to its second excited state or a combination of two CC fundamentals.

Bibliography

Hadley, S. G., Rast, H. E., & Keller, R. A. (1963). Radiationless TripletâSinglet Transitions in Naphthalene. The Journal of Chemical Physics, 39(3), 705â711.

Authors 3

Steven G. Hadley (first)
Howard E. Rast (additional)
Richard A. Keller (additional)

References 14 Referenced 44

10.1146/annurev.pc.07.100156.002155 / Ann. Rev. Phys. Chem. (1956)
10.1016/0022-2852(61)90233-8 / J. Mol. Spectry. (1961)
10.1063/1.1732389 / J. Chem. Phys. (1962)
10.1063/1.1733413 / J. Chem. Phys. (1962)
10.1063/1.1731693 / J. Chem. Phys. (1961)
10.1063/1.1733439 / J. Chem. Phys. (1962)
10.1080/00268976200100211 / Mol. Phys. (1962)
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10.1063/1.1747085 / J. Chem. Phys. (1949)
10.1063/1.1731296 / J. Chem. Phys. (1960)
10.1063/1.1747313 / J. Chem. Phys. (1949)
10.1063/1.1732789 / J. Chem. Phys. (1962)
10.1063/1.1741948 / J. Chem. Phys. (1955)
10.1063/1.1733804 / J. Chem. Phys. (1963)

Dates

Type	When
Created	20 years, 8 months ago (Jan. 5, 2005, 10:57 p.m.)
Deposited	1 year, 6 months ago (Feb. 8, 2024, 4:51 p.m.)
Indexed	1 year, 6 months ago (Feb. 9, 2024, 8:21 a.m.)
Issued	62 years, 1 month ago (Aug. 1, 1963)
Published	62 years, 1 month ago (Aug. 1, 1963)
Published Print	62 years, 1 month ago (Aug. 1, 1963)

Funders 0

None

BibTeX

@article{Hadley_1963, title={Radiationless Triplet—Singlet Transitions in Naphthalene}, volume={39}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1734311}, DOI={10.1063/1.1734311}, number={3}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Hadley, Steven G. and Rast, Howard E. and Keller, Richard A.}, year={1963}, month=aug, pages={705–711} }

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