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Amorphous molecular material containing bisthiophenyl-benzothiadiazole and triphenylamine with bipolar and low-bandgap characteristics for solar cells
He, Qingguo1,2; He, Chang1; Sun, Yuxi3; Wu, Hongxia1; Li, Yongfang1; Bai, Fenglian1
2008-07-31
Source PublicationTHIN SOLID FILMS
ISSN0040-6090
Volume516Issue:18Pages:5935-5940
AbstractA D-pi-A-pi-D compound 4,7-bis{5'-[4 '',4 ''-N, N-diphenylamino-stytyl]thiophen-2'-yl}benzo[1,2,5-thiadiazole] (TPA-BTD-TPA) with triphenylamine (TPA) as electron-donor and benzothiadiazole (BTD) as electron-acceptor and linked via vinyl unit was synthesized and characterized. A stable intramolecular charge-transfer state enabled the molecule to expand the optical absorption band and prevented the occurrence of electron back-donation. Excellent film-forming property made it easy prepare homogeneous film using a spin-coating technique. Suitable energy levels were beneficial for the improvement of photovoltaic device performance. Photovoltaic cell based on TPA-BTD-TPA/[6,6]-phenyl C(61)-butyric acid methyl ester as a active layer was fabricated, and the optical conversion efficiency was 0.26% under the illumination of AM 1.5 (85 mW/cm(2)). (c) 2007 Elsevier B.V All rights reserved.
KeywordIntramolecular Charge-transfer Photovoltaic Cell Spin-coating Triphenylamine Benzothiadiazole
DOI10.1016/j.tsf2007.10.058
Indexed BySCI
Language英语
WOS IDWOS:000258037300002
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65144
Collection中国科学院化学研究所
Corresponding AuthorBai, Fenglian
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Key Lab Organ Solids, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China
3.Qufu Normal Univ, Dept Chem, Qufu 273165, Shandong, Peoples R China
Recommended Citation
GB/T 7714
He, Qingguo,He, Chang,Sun, Yuxi,et al. Amorphous molecular material containing bisthiophenyl-benzothiadiazole and triphenylamine with bipolar and low-bandgap characteristics for solar cells[J]. THIN SOLID FILMS,2008,516(18):5935-5940.
APA He, Qingguo,He, Chang,Sun, Yuxi,Wu, Hongxia,Li, Yongfang,&Bai, Fenglian.(2008).Amorphous molecular material containing bisthiophenyl-benzothiadiazole and triphenylamine with bipolar and low-bandgap characteristics for solar cells.THIN SOLID FILMS,516(18),5935-5940.
MLA He, Qingguo,et al."Amorphous molecular material containing bisthiophenyl-benzothiadiazole and triphenylamine with bipolar and low-bandgap characteristics for solar cells".THIN SOLID FILMS 516.18(2008):5935-5940.
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