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Singlet exciton migration in a conjugated polymer by picosecond time-resolved photoluminescence
Ma, GH; Qian, SX; Lei, H; Wang, HZ; Wang, RQ; Li, YF
2001-07-01
Source PublicationCHINESE PHYSICS LETTERS
ISSN0256-307X
Volume18Issue:7Pages:944-946
AbstractThe transient photoluminescence (PL) of DO-PPV (poly-(2,5-dioctyloxy-1,4-phenylene vinylene)) solution in chloroform was investigated by picosecond time-resolved PL spectroscopy. An ultrafast rise of PL and the following single exponential decay with a time constant of about 400 ps were assigned to the formation of the intrachain exciton and its decay process, respectively. The redshift of the PL emission spectrum with time was caused by the subsequent exciton migration among the different conjugated segments in the DO-PPV polymer.
Indexed BySCI
Language英语
WOS IDWOS:000170056200033
PublisherALLERTON PRESS INC
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77074
Collection中国科学院化学研究所
Corresponding AuthorMa, GH
Affiliation1.Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
2.Fudan Univ, Key Lab Appl Surface Phys, Shanghai 200433, Peoples R China
3.Zhongshan Univ, Inst Ultrafast Laser Spect, Guangzhou 510275, Peoples R China
4.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Ma, GH,Qian, SX,Lei, H,et al. Singlet exciton migration in a conjugated polymer by picosecond time-resolved photoluminescence[J]. CHINESE PHYSICS LETTERS,2001,18(7):944-946.
APA Ma, GH,Qian, SX,Lei, H,Wang, HZ,Wang, RQ,&Li, YF.(2001).Singlet exciton migration in a conjugated polymer by picosecond time-resolved photoluminescence.CHINESE PHYSICS LETTERS,18(7),944-946.
MLA Ma, GH,et al."Singlet exciton migration in a conjugated polymer by picosecond time-resolved photoluminescence".CHINESE PHYSICS LETTERS 18.7(2001):944-946.
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