Highly catalytic carbon nanotube counter electrode on plastic for dye solar cells utilizing cobalt-based redox mediator

被引：19

作者：

Aitola, Kerttu ^{[1
]}

Halme, Janne ^{[2
]}

Feldt, Sandra ^{[1
]}

Lohse, Peter ^{[1
]}

Borghei, Maryam ^{[2
]}

Kaskela, Antti ^{[2
]}

Nasibulin, Albert G. ^{[2
]}

Kauppinen, Esko I. ^{[2
]}

Lund, Peter D. ^{[2
]}

Boschloo, Gerrit ^{[1
]}

Hagfeldt, Anders ^{[1
]}

机构：

[1] Uppsala Univ, Dept Chem, S-75120 Uppsala, Sweden

[2] Aalto Univ, Sch Sci, Dept Appl Phys, Aalto 00076, Finland

来源：

ELECTROCHIMICA ACTA | 2013年 / 111卷

关键词：

Dye solar cell; Carbon nanotube; Plastic; Counter electrode; Cobalt complex; Electrolyte; IMPEDANCE SPECTROSCOPY; LOW-COST; EFFICIENCY; FILMS; PERFORMANCE; FABRICATION; PLATINUM;

D O I：

10.1016/j.electacta.2013.07.202

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A flexible, slightly transparent and metal-free random network of single-walled carbon nanotubes (SWCNTs) on plain polyethylene terephthalate (PET) plastic substrate outperformed platinum on conductive glass and on plastic as the counter electrode (CE) of a dye solar cell employing a Co(II/III)tris(2,2'-bipyridyl) complex redox mediator in 3-methoxypropionitrile solvent. The CE charge-transfer resistance of the SWCNT film was 0.60 Omega cm(2), 4.0 Omega cm(2) for sputtered platinum on indium tin oxide-PET substrate and 1.7 Omega cm(2) for thermally deposited Pt on fluorine-doped tin oxide glass, respectively. The solar cell efficiencies were in the same range, thus proving that an entirely carbon-based SWCNT film on plastic is as good CE candidate for the Co electrolyte. (C) 2013 Elsevier Ltd. All rights reserved.

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收藏

页码：206 / 209

页数：4

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