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Effect of 3D pi-pi stacking on photovoltaic and electroluminescent properties in triphenylamine-containing poly(p-phenylenevinylene) derivatives
Shen, Ping2,3; Sang, Guangyi1; Lu, Junjian2,3; Zhao, Bin2,3; Wan, Meixiu2,3; Zou, Yingping1; Li, Yongfang1; Tan, Songting2,3
2008-08-12
Source PublicationMACROMOLECULES
ISSN0024-9297
Volume41Issue:15Pages:5716-5722
AbstractPoly(p-phenylenevinylene) (PPV) derivatives containing the 3D pi-pi stacking structures of the triphenylamine moieties as two side chains have been synthesized by the Wittig-Horner reaction. The presence of 2,5-bis(4-(N,N-diphenylamino)phenylenevinylene units along these pi-conjugated polymer backbone lowered the band gap, and thus the resulting polymers exhibited strong and broad absorption in the visible region. Triphenylamine groups effectively extended the conjugation length through 3D pi-pi stacking and enhanced the hole-tran sporting properties of the polymers. Furthermore, the 3D pi-pi stacking effects of the triphenylamine moieties on the properties of the polymer light-emitting devices (PLEDs) and photovoltaic solar cells were also investigated in detail. The maximum electroluminescence (EL) brightness of the single-layer light emitting devices for P1 and P2 achieved 3003 and 1697 cd/m(2), respectively. The bulk heterojunction polymer phot3voltaic cells (PPVCs) based on P1 or P2 and PCBM (1:1, w/w) showed power conversion efficiencies up to 0.27% and 0.45% under the illumination of AM 1.5, 90 mW/cm(2), which were 3-5 times higher than that of the device based on P3 (0.09%) without triphenylamine side chains.
DOI10.1021/ma800847f
Indexed BySCI
Language英语
WOS IDWOS:000258226200030
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:60[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65146
Collection中国科学院化学研究所
Corresponding AuthorLi, Yongfang
Affiliation1.Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China
2.Xiangtan Univ, Coll Chem, Xiangtan 411105, Peoples R China
3.Xiangtan Univ, Key Lab Environm Friendly Chem & Applicat, Minist Educ, Xiangtan 411105, Peoples R China
Recommended Citation
GB/T 7714
Shen, Ping,Sang, Guangyi,Lu, Junjian,et al. Effect of 3D pi-pi stacking on photovoltaic and electroluminescent properties in triphenylamine-containing poly(p-phenylenevinylene) derivatives[J]. MACROMOLECULES,2008,41(15):5716-5722.
APA Shen, Ping.,Sang, Guangyi.,Lu, Junjian.,Zhao, Bin.,Wan, Meixiu.,...&Tan, Songting.(2008).Effect of 3D pi-pi stacking on photovoltaic and electroluminescent properties in triphenylamine-containing poly(p-phenylenevinylene) derivatives.MACROMOLECULES,41(15),5716-5722.
MLA Shen, Ping,et al."Effect of 3D pi-pi stacking on photovoltaic and electroluminescent properties in triphenylamine-containing poly(p-phenylenevinylene) derivatives".MACROMOLECULES 41.15(2008):5716-5722.
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