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Effect of Aspect Ratio of the Dye Molecule on the Properties of Dye Sensitized Solar Cells
Ren Siyao1,2,3; Zhou Xueqin1,2,3; Liu Dongzhi1,2,3; Jiang Kejian4; Li Wei1,2,3; Wang Lichang1,2; Wang Tianyang1,2,3
2016-09-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
Volume37Issue:9Pages:1669-1677
AbstractThree dyes, 2-cyano-3-[2-(4-{2-[4-N, N-bis (4-methylphenyl) aminophenyl] vinyl}-phenylamino)-pyrimidin-5-yl]-acrylic acid (MTPA-Pyc), 2-cyano-3-(4-{2-[4-N, N-bis (4-methylphenyl) aminophenyl] vinyl}-phenyl)-acrylic acid (MTPAcc), and 2-cyano-3-[4-{2-[4-N, N-bis (4-methylphenyl) aminophenyl]-acrylic acid(MTPAc), that have different aspect ratios were studied for their performances as sensitizer in a dye sensitized solar cell (DSSC). The effects of solvent, the amount of dye molecules adsorbed on the surface of TiO2, and dye aggregation were investigated. The results show that MTPAcc has the most suitable aspect ratio among the three dyes with the highest and best photovoltaic properties. Polariry of absorption solvents can influence not only the absorbed amount of dyes at TiO2 but also the dye aggregation. MTPA-Pyc with a large aspect ratio exists in H-aggregation in tolene and tetrahydrofuran, whereas J-aggregation in acetonitrile. MTPAcc was found with high absorption amount at TiO2 but without aggregation, resulting in the best photovoltaic properties of corresponding DSSC with the incident photon-to-current efficiency(IPCE) of 84% at 490 nm and the photoelectric conversion efficiency (eta) of 5.72%. Therefore, the aspect ratio of dye sensitizers is significant for the photovoltaic properties of DSSC.
KeywordDye Sensitized Solar Cell Aspect Ratio Absorbed Amount Aggregation
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/35650
Collection绿色印刷实验室
Affiliation1.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300350, Peoples R China
2.Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300350, Peoples R China
3.Tianjin Engn Res Ctr Funct Fine Chem, Tianjin 300350, Peoples R China
4.Chinese Acad Sci, Inst Chem, Key Lab Green Printing, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ren Siyao,Zhou Xueqin,Liu Dongzhi,et al. Effect of Aspect Ratio of the Dye Molecule on the Properties of Dye Sensitized Solar Cells[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2016,37(9):1669-1677.
APA Ren Siyao.,Zhou Xueqin.,Liu Dongzhi.,Jiang Kejian.,Li Wei.,...&Wang Tianyang.(2016).Effect of Aspect Ratio of the Dye Molecule on the Properties of Dye Sensitized Solar Cells.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,37(9),1669-1677.
MLA Ren Siyao,et al."Effect of Aspect Ratio of the Dye Molecule on the Properties of Dye Sensitized Solar Cells".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 37.9(2016):1669-1677.
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