Optical Properties of a Near-IR Cyanine Dye for Quasi-Solid State Dye-Sensitized Solar Cells

Acta Chimica Sinica ›› 2009, Vol. 67 ›› Issue (13): 1455-1460. Previous Articles Next Articles

Original Articles

近红外菁染料敏化的准固态太阳电池的光电化学研究

武文俊腾欣李晶贺锦香花建丽

(华东理工大学结构可控先进功能材料与制备实验室和精细化工研究所上海 200237)

投稿日期:2008-09-25 修回日期:2008-12-12 发布日期:2009-07-14
通讯作者: 花建丽

Optical Properties of a Near-IR Cyanine Dye for Quasi-Solid State Dye-Sensitized Solar Cells

Wu, Wenjun Teng, Xin Li, Jing He, Jinxiang Hua, Jianli

(Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of
Science and Technology, Shanghai 200237)

Received:2008-09-25 Revised:2008-12-12 Published:2009-07-14
Contact: Hua, Jianli

Abstract

A new near-IR pentamethylcyanine dye sensitizer (Cy) has been synthesized via Knoevenagel condensation reaction of 3,3-dimethyl-1-ethyl-2-[4-(N-phenylacetamido)buta-1,3-dien-1-yl]-3H-benzo[e]- indolium iodide with 5-carboxyl-1-butyl-2,3,3-trimethyl-3H-indolium iodide and characterized by 1H NMR, 13C NMR, ESI-MS and UV-Vis. Solidification of ionic liquid 1-butyl-3-propyl-imidazolium iodide by fumed silica R974 formed a new quasi-solid state electrolyte, which was applied to quasi-state near-IR ‘Cy-sensitized’ solar cells. It was found that the solar cell sensitized with Cy generated a power conversion efficiency of 1.49% under AM1.5G illumination (100 mW•cm－2).

Key words: near-IR cyanine dye, quasi-solid state electrolyte, photoelectrochemistry, sensitization, solar cell

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近红外菁染料敏化的准固态太阳电池的光电化学研究

Optical Properties of a Near-IR Cyanine Dye for Quasi-Solid State Dye-Sensitized Solar Cells

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