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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
刊名NEW JOURNAL OF CHEMISTRY
2011
DOI10.1039/c0nj00653j
35期:1页:127-136
收录类别SCI ; IC
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]ULTRAFAST ELECTRON-TRANSFER ; NANOCRYSTALLINE TIO2 FILMS ; LANGMUIR-BLODGETT-FILMS ; ORGANIC-DYES ; MEROCYANINE DYES ; HIGH-EFFICIENCY ; PHOTOVOLTAIC PERFORMANCE ; CHARGE-TRANSFER ; RUTHENIUM DYES ; COUMARIN DYES
英文摘要We 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.
语种英语
WOS记录号WOS:000285515400019
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142359
专题中国科学院大连化学物理研究所
作者单位1.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
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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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