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Solution-Processable Multiarmed Organic Molecules Containing Triphenylamine and DCM Moieties: Synthesis and Photovoltaic Properties
Zhao, Guangjin1,3; Wu, Guanglong1; He, Chang1; Bai, Fu-Quan2; Xi, Hongxia1,3; Zhang, Hong-Xing2; Li, Yongfang1
2009-02-12
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume113Issue:6Pages:2636-2642
AbstractTwo new solution-processable multiarmed organic molecules, biarmed B(TPA-DCM-TPA) and triarmed T(TPA-DCM-TPA), were synthesized by a Heck reaction and characterized by UV-vis absorption spectroscopy and electrochemical cyclic voltammetry. The two molecules possess a D-pi-A-pi-D structure with triphenylamine (TPA) as donor (D) unit and 2-{2,6-bis-[2-(4-styryl)-vinyl]-pyran-4-ylidene}malononitrile (DCM) as acceptor (A) unit. The geometry and electronic properties of the molecules in ground-state as well as the absorption spectroscopic properties on the basis of the optimized ground-state structures were investigated by theoretical calculations. B(TPA-DCM-TPA) and T(TPA-DCM-TPA) films show broad and strong absorption band in the wavelength range of 300 similar to 709 and 300 similar to 755 nm with the lower band gap of 1.75 and 1.65 eV, respectively. B(TPA-DCM-TPA) was used as electron donor to fabricate organic solar cells (OSCs) with methanofullerene [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) as electron acceptor. The OSC with a structure of ITO/PEDOT:PSS/B(TPA-DCM-TPA):PCBM (1:2)/Ca/Al delivered a power conversion efficiency of 0.73% under the illumination of AM 1.5, 100 mW/cm(2).
DOI10.1021/jp809795p
Indexed BySCI
Language英语
WOS IDWOS:000263134700082
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68564
Collection中国科学院化学研究所
Corresponding AuthorLi, Yongfang
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS,Key Lab Organ Solids, Beijing 100190, Peoples R China
2.Jilin Univ, Inst Theoret Chem, State Key Lab Theoret & Computat Chem, Changchun 130023, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Guangjin,Wu, Guanglong,He, Chang,et al. Solution-Processable Multiarmed Organic Molecules Containing Triphenylamine and DCM Moieties: Synthesis and Photovoltaic Properties[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2009,113(6):2636-2642.
APA Zhao, Guangjin.,Wu, Guanglong.,He, Chang.,Bai, Fu-Quan.,Xi, Hongxia.,...&Li, Yongfang.(2009).Solution-Processable Multiarmed Organic Molecules Containing Triphenylamine and DCM Moieties: Synthesis and Photovoltaic Properties.JOURNAL OF PHYSICAL CHEMISTRY C,113(6),2636-2642.
MLA Zhao, Guangjin,et al."Solution-Processable Multiarmed Organic Molecules Containing Triphenylamine and DCM Moieties: Synthesis and Photovoltaic Properties".JOURNAL OF PHYSICAL CHEMISTRY C 113.6(2009):2636-2642.
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