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The 1B(u)-type singlet state of beta-carotene as a precursor of the radical cation found in chloroform solution by sub-picosecond time-resolved absorption spectroscopy
Zhang, JP; Fujii, R; Koyama, Y; Rondonuwu, FS; Watanabe, Y; Mortensen, A; Skibsted, LH
2001-11-09
Source PublicationCHEMICAL PHYSICS LETTERS
ISSN0009-2614
Volume348Issue:3-4Pages:235-241
AbstractGeneration of the radical cation from 1B(u)-type states (1B(u)(+) and/or 1B(u)(-)) of all-trans-beta -carotene in chloroform was demonstrated by sub-picosecond time-resolved absorption spectroscopy. In the visible region, ground-state absorption bleaching completely recovered in n-hexane but not in chloroform. In near-infrared, broad transient absorptions from 1B(u)(+) and 1B(u)(+) states appeared and decayed within I ps in both solvents, while weak transient absorption ascribable to the cation appeared and stayed until 40 ps after excitation in chloroform, but not in n-hexane. In chloroform, direct transformation from the 1B(u)-type singlet state to the radical cation had a time constant 0.14 +/- 0.03 ps. (C) 2001 Elsevier Science B.V. All rights reserved.
Indexed BySCI
Language英语
WOS IDWOS:000172089900011
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76704
Collection中国科学院化学研究所
Corresponding AuthorSkibsted, LH
Affiliation1.Royal Vet & Agr Univ, Dept Dairy & Food Sci, DK-1958 Frederiksberg C, Denmark
2.Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem & Unstable & Stable Spe, Beijing 100080, Peoples R China
3.Kwansei Gakuin Univ, Fac Sci, Sanda 6691337, Japan
Recommended Citation
GB/T 7714
Zhang, JP,Fujii, R,Koyama, Y,et al. The 1B(u)-type singlet state of beta-carotene as a precursor of the radical cation found in chloroform solution by sub-picosecond time-resolved absorption spectroscopy[J]. CHEMICAL PHYSICS LETTERS,2001,348(3-4):235-241.
APA Zhang, JP.,Fujii, R.,Koyama, Y.,Rondonuwu, FS.,Watanabe, Y.,...&Skibsted, LH.(2001).The 1B(u)-type singlet state of beta-carotene as a precursor of the radical cation found in chloroform solution by sub-picosecond time-resolved absorption spectroscopy.CHEMICAL PHYSICS LETTERS,348(3-4),235-241.
MLA Zhang, JP,et al."The 1B(u)-type singlet state of beta-carotene as a precursor of the radical cation found in chloroform solution by sub-picosecond time-resolved absorption spectroscopy".CHEMICAL PHYSICS LETTERS 348.3-4(2001):235-241.
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