TY - JOUR
T1 - Direct measurement of the lowest excited singlet state lifetime of all-trans-β-carotene and related carotenoids
AU - Wasielewski, Michael R.
AU - Kispert, Lowell D.
N1 - Funding Information:
The authorsw ish to thank ProfessorsT . Moore and D. Gust of Arizona State University for helpful discussions concerningt his problem. This work was supported by the Division of Chemical Sciences,O ffice of Basic Energy Science,D epartmento f Energy under contractsW -31-109-Eng-38( ANL) and DE-ASOS-76ER04062 (U of A).
Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.
PY - 1986/7/25
Y1 - 1986/7/25
N2 - A 4 ps, 510 nm laser pulse was used to electronically excite toluene solutions of all-trans-β-carotene, canthaxanthin, and β-8'-apocarotenal. The 430-510 nm electronic absorption band of each carotene bleaches immediately upon excitation and recovers with single-exponential kinetics: τ = 8.4 ± 0.6 ps for all-trans-β-carotene, 5.2 ± 0.6 ps for canthaxanthin, and 25.4 ± 0.2 ps for β-8'-apocarotenal. The results are discussed in terms of the excited singlet state properties of carotenoids.
AB - A 4 ps, 510 nm laser pulse was used to electronically excite toluene solutions of all-trans-β-carotene, canthaxanthin, and β-8'-apocarotenal. The 430-510 nm electronic absorption band of each carotene bleaches immediately upon excitation and recovers with single-exponential kinetics: τ = 8.4 ± 0.6 ps for all-trans-β-carotene, 5.2 ± 0.6 ps for canthaxanthin, and 25.4 ± 0.2 ps for β-8'-apocarotenal. The results are discussed in terms of the excited singlet state properties of carotenoids.
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U2 - 10.1016/0009-2614(86)80332-3
DO - 10.1016/0009-2614(86)80332-3
M3 - Article
AN - SCOPUS:0001615731
VL - 128
SP - 238
EP - 243
JO - Chemical Physics Letters
JF - Chemical Physics Letters
SN - 0009-2614
IS - 3
ER -