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Aryl/hetero-arylethyne bridged dyes: the effect of planar pi-bridge on the performance of dye-sensitized solar cells
Song, Jun-Ling2; Amaladass, Pitchamuthu2; Wen, Shu-Hao1; Pasunooti, Kalyan Kumar2; Li, An2; Yu, Yao-Lun3; Wang, Xin3; Deng, Wei-Qiao1; Liu, Xue-Wei2
Source PublicationNEW JOURNAL OF CHEMISTRY
2011
DOI10.1039/c0nj00653j
Volume35Issue:1Pages:127-136
Indexed BySCI ; IC
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordULTRAFAST ELECTRON-TRANSFER ; NANOCRYSTALLINE TIO2 FILMS ; LANGMUIR-BLODGETT-FILMS ; ORGANIC-DYES ; MEROCYANINE DYES ; HIGH-EFFICIENCY ; PHOTOVOLTAIC PERFORMANCE ; CHARGE-TRANSFER ; RUTHENIUM DYES ; COUMARIN DYES
AbstractWe have designed and synthesized three metal-free sensitizers consisting of dimethoxy-substituted triphenylamine as donor, cyanoacrylic acid as acceptor with planar pi-bridge. The photon to current conversion efficiency of these dyes were measured as sensitizers for DSSCs analysis. The results obtained from these experiments show that the overall conversion efficiency of D3 gave the highest overall efficiency 4.98% with short circuit current density (J(sc)) of 11.29 mA cm(-2), an open-circuit voltage (V-oc) of 0.637 V and a fill factor of 69.2% under standard global AM 1.5 solar conditions. In addition, the experimental results show that pi-conjugated bridge can extend the absorption of dye molecular and strong planarity (close-packing) can suppress the charge recombination at TiO2/electrolyte interface. Hence, the donor-pi bridge-acceptor architectures can generate a unidirectional current flow, to some extent, which can enhance the cell performance.
Language英语
WOS IDWOS:000285515400019
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142359
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Nanyang Technol Univ, Div Chem & Biol Chem, SPMS, Singapore 637371, Singapore
3.Nanyang Technol Univ, SCBE, Div Chem & Biomol Engn, Singapore 639798, Singapore
Recommended Citation
GB/T 7714
Song, Jun-Ling,Amaladass, Pitchamuthu,Wen, Shu-Hao,et al. Aryl/hetero-arylethyne bridged dyes: the effect of planar pi-bridge on the performance of dye-sensitized solar cells[J]. NEW JOURNAL OF CHEMISTRY,2011,35(1):127-136.
APA Song, Jun-Ling.,Amaladass, Pitchamuthu.,Wen, Shu-Hao.,Pasunooti, Kalyan Kumar.,Li, An.,...&Liu, Xue-Wei.(2011).Aryl/hetero-arylethyne bridged dyes: the effect of planar pi-bridge on the performance of dye-sensitized solar cells.NEW JOURNAL OF CHEMISTRY,35(1),127-136.
MLA Song, Jun-Ling,et al."Aryl/hetero-arylethyne bridged dyes: the effect of planar pi-bridge on the performance of dye-sensitized solar cells".NEW JOURNAL OF CHEMISTRY 35.1(2011):127-136.
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