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Singlet-triplet splitting of geminate electron-hole pairs in conjugated polymers
Kadashchuk, A; Vakhnin, A; Blonski, I; Beljonne, D; Shuai, Z; Bredas, JL; Arkhipov, VI; Heremans, P; Emelianova, EV; Bassler, H
2004-08-06
Source PublicationPHYSICAL REVIEW LETTERS
ISSN0031-9007
Volume93Issue:6
AbstractThe singlet-triplet splitting of geminate polaron pairs in a ladder-type conjugated polymer has been studied by the thermally stimulated luminescence technique. The energy gap separating the singlet and triplet states of the geminate pairs is measured to be in the range of 3-6 meV, depending on the polymer morphology. The results of correlated quantum-chemical calculations on a long ladder-type oligomer are fully consistent with the observed values of the geminate polaron pair singlet-triplet gap. Such low splitting values have important implications for the spin-dependent exciton formation in conjugated polymers.
DOI10.1103/PhysRevLett.93.066803
Indexed BySCI
Language英语
WOS IDWOS:000223138200038
PublisherAMERICAN PHYSICAL SOC
Citation statistics
Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81670
Collection中国科学院化学研究所
Corresponding AuthorKadashchuk, A
Affiliation1.Natl Acad Sci Ukraine, Inst Phys, UA-03028 Kiev, Ukraine
2.Univ Mons Hainaut, B-7000 Mons, Belgium
3.Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA
4.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
5.IMEC, B-3001 Heverlee, Belgium
6.Univ Leuven, B-3001 Heverlee, Belgium
7.Univ Marburg, Inst Phys Chem, D-35032 Marburg, Germany
Recommended Citation
GB/T 7714
Kadashchuk, A,Vakhnin, A,Blonski, I,et al. Singlet-triplet splitting of geminate electron-hole pairs in conjugated polymers[J]. PHYSICAL REVIEW LETTERS,2004,93(6).
APA Kadashchuk, A.,Vakhnin, A.,Blonski, I.,Beljonne, D.,Shuai, Z.,...&Bassler, H.(2004).Singlet-triplet splitting of geminate electron-hole pairs in conjugated polymers.PHYSICAL REVIEW LETTERS,93(6).
MLA Kadashchuk, A,et al."Singlet-triplet splitting of geminate electron-hole pairs in conjugated polymers".PHYSICAL REVIEW LETTERS 93.6(2004).
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