ICCAS OpenIR
Delayed Fluorescent Emission from Pyrene Doped Phenanthrene Nanoparticles Based on Triplet-triplet Energy Transfer
Jiang Ziwen1,2; Zhao Yongsheng1; Luo Zhixun1,2; Peng Aidong1; Wang Hao1,2; Yao Jiannian1
2010-11-01
Source PublicationCHINESE JOURNAL OF CHEMISTRY
ISSN1001-604X
Volume28Issue:11Pages:2103-2108
AbstractDoped nanoparticles were prepared from pyrene and phenanthrene using a facile reprecipitation method. The doped nanoparticles presented unique delayed fluorescent emissions of pyrene under the unprotected condition. The ratio of the intensity of delayed fluorescence (I(DF)) to that of phosphorescence (I(P)) is about 4: 1, which almost keeps unchanged with the decrease of pyrene content at room temperature. The intensity of the delayed fluorescence emissions is dependent on the relative content of pyrene, as well as the aggregation degree of nanoparticles. The delayed emissions are contributed to efficient triplet-triplet energy transfer from phenanthrene (donor) to pyrene (acceptor). Steady fluorescence measurement have proved that the singlet-singlet energy transfer process was also existent dominated by the radiation energy transfer mechanism.
KeywordNanoparticles Energy Transfer Delayed Fluorescence
DOI10.1002/cjoc.201090349
Indexed BySCI
Language英语
WOS IDWOS:000285261700001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/70840
Collection中国科学院化学研究所
Corresponding AuthorYao Jiannian
Affiliation1.Chinese Acad Sci, Inst Chem, Key Lab Photochem, BNLMS, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Jiang Ziwen,Zhao Yongsheng,Luo Zhixun,et al. Delayed Fluorescent Emission from Pyrene Doped Phenanthrene Nanoparticles Based on Triplet-triplet Energy Transfer[J]. CHINESE JOURNAL OF CHEMISTRY,2010,28(11):2103-2108.
APA Jiang Ziwen,Zhao Yongsheng,Luo Zhixun,Peng Aidong,Wang Hao,&Yao Jiannian.(2010).Delayed Fluorescent Emission from Pyrene Doped Phenanthrene Nanoparticles Based on Triplet-triplet Energy Transfer.CHINESE JOURNAL OF CHEMISTRY,28(11),2103-2108.
MLA Jiang Ziwen,et al."Delayed Fluorescent Emission from Pyrene Doped Phenanthrene Nanoparticles Based on Triplet-triplet Energy Transfer".CHINESE JOURNAL OF CHEMISTRY 28.11(2010):2103-2108.
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