Triphenylamine-based dyes for dye-sensitized solar cells

被引：81

作者：

Zhang, Fan ^{[1
]}

Luo, Yan-hong ^{[2
]}

Song, Jin-sheng ^{[1
]}

Guo, Xiao-zhi ^{[2
]}

Liu, Wei-li ^{[1
]}

Ma, Chun-ping ^{[1
]}

Huang, Yong ^{[1
]}

Ge, Mao-fa ^{[1
]}

Bo, Zhishan ^{[1
]}

Meng, Qing-Bo ^{[2
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

来源：

DYES AND PIGMENTS | 2009年 / 81卷 / 03期

关键词：

Dye-sensitized solar cells; Bis-TPA substituted dyes; Mono-TPA substituted dyes; Donor-acceptor; Higher open-circuit voltage (V-oc); Nanocrystallite TiO2 film; NANOCRYSTALLINE TIO2 FILMS; ORGANIC-DYES; RECOMBINATION DYNAMICS; CHARGE RECOMBINATION; HIGH-EFFICIENCY; ELECTRODES; COMPLEXES; PALLADIUM;

D O I：

10.1016/j.dyepig.2008.10.012

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Three, novel dyes carrying bis-triphenylamine donor groups were designed and synthesized, and their optical and electrochemical properties were characterized. TiO2-based dye-sensitized solar cells fabricated with the dyes as photosensitizers displayed higher open-circuit voltage and power conversion efficiency than the corresponding mono-TPA substituted donor-acceptor dyes. The two, hydrophobic bis-triphenylamine donor groups within the dyes effectively inhibited the approach of I-3(-) to the surface of nanocrystallite TiO2 film. The most promising of the novel dyes displayed a power conversion efficiency of 5.06%, short circuit photocurrent density of 10.25 mA cm(-2), open circuit photovoltage of 0.678 V and fill factor of 0.73. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：224 / 230

页数：7

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