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Incorporation of Thienylenevinylene and Triphenylamine Moieties into Polythiophene Side Chains for All-Polymer Photovoltaic Applications
Sang, Guangyi1,2; Zhou, Erjun1; Huang, Yu1,2; Zou, Yingping1; Zhao, Guangjin1,2; Li, Yongfang1
2009-04-09
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume113Issue:14Pages:5879-5885
AbstractWe report all-polymer photovoltaic cells using poly(1,4-dioctyloxyl-p-2,5-dicyanophenylenevinylene) (DOCN-PPV) as electron acceptor and a series of polythiophene (PT) derivatives P1 to P3 as electron donors. Among the polymer donors, P2 and P3 are new PT derivatives with functionalized and conjugated tri(thienylenevinylene) (TTV) and triphenylaminevinylene (TPAV) side chains, and they are characterized by absorption spectroscopy, cyclic voltammetry, and hole mobility, as well as morphology measurements. Photovoltaic results indicate that the device performance is sensitive to the presence of functionalized side chains within the molecular structure. To be specific, P1, without the functionalized side chains, yields the lowest power conversion efficiency (PCE) while P3, with both the TTV and TPAV side chains, shows a 2-fold increase in efficiency over P2 with only the TTV side chain, reaching a PCE of 0.44% under simulated AM 1.5 illumination at 100 mW/cm(2). We attribute the enhancement of PCE to the improved absorption and enhanced hole mobility, as well as a better morphological structure of P3.
DOI10.1021/jp9000048
Indexed BySCI
Language英语
WOS IDWOS:000264805700074
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66864
Collection中国科学院化学研究所
Corresponding AuthorLi, Yongfang
Affiliation1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, CAS Key Lab Organ Solids, Inst Chem, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Sang, Guangyi,Zhou, Erjun,Huang, Yu,et al. Incorporation of Thienylenevinylene and Triphenylamine Moieties into Polythiophene Side Chains for All-Polymer Photovoltaic Applications[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2009,113(14):5879-5885.
APA Sang, Guangyi,Zhou, Erjun,Huang, Yu,Zou, Yingping,Zhao, Guangjin,&Li, Yongfang.(2009).Incorporation of Thienylenevinylene and Triphenylamine Moieties into Polythiophene Side Chains for All-Polymer Photovoltaic Applications.JOURNAL OF PHYSICAL CHEMISTRY C,113(14),5879-5885.
MLA Sang, Guangyi,et al."Incorporation of Thienylenevinylene and Triphenylamine Moieties into Polythiophene Side Chains for All-Polymer Photovoltaic Applications".JOURNAL OF PHYSICAL CHEMISTRY C 113.14(2009):5879-5885.
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