Conducting and transparent single-wall carbon nanotube electrodes for polymer-fullerene solar cells

Aurelien Du Pasquier; Husnu Emrah Unalan; Alokik Kanwal; Steve Miller; Manish Chhowalla

doi:10.1063/1.2132065

Conducting and transparent single-wall carbon nanotube electrodes for polymer-fullerene solar cells

Aurelien Du Pasquier, Husnu Emrah Unalan, Alokik Kanwal, Steve Miller, Manish Chhowalla

Research output: Contribution to journal › Article › peer-review

516 Scopus citations

Abstract

We describe the use of single-wall carbon nanotube (SWNT) thin films as transparent and conducting electrodes for hole collection in poly(hexyl)thiophene-[6-6]phenyl- C61 -butyric acid methyl ester (P3HT-PCBM) organic photovoltaics. We report a power conversion efficiency of 1%, with a fill factor of 0.3 and a short-circuit current of 6.5 mA cm2 under 100 mW cm2 polychromatic white light illumination measured in air. These values are comparatively higher than reference cells of similar thickness made on indium tin oxide (ITO) glass substrates. This is attributed to the three-dimensional nature of the interface between the SWNTs and the P3HT-PCBM nanocomposite. Our results indicate that solution processed SWNT thin films are a viable alternative to ITO for photovoltaic devices, eliminating an expensive vacuum deposition step in the fabrication of organic solar cells.

Original language	English (US)
Article number	203511
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	87
Issue number	20
DOIs	https://doi.org/10.1063/1.2132065
State	Published - Nov 14 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2132065

Cite this

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title = "Conducting and transparent single-wall carbon nanotube electrodes for polymer-fullerene solar cells",

abstract = "We describe the use of single-wall carbon nanotube (SWNT) thin films as transparent and conducting electrodes for hole collection in poly(hexyl)thiophene-[6-6]phenyl- C61 -butyric acid methyl ester (P3HT-PCBM) organic photovoltaics. We report a power conversion efficiency of 1%, with a fill factor of 0.3 and a short-circuit current of 6.5 mA cm2 under 100 mW cm2 polychromatic white light illumination measured in air. These values are comparatively higher than reference cells of similar thickness made on indium tin oxide (ITO) glass substrates. This is attributed to the three-dimensional nature of the interface between the SWNTs and the P3HT-PCBM nanocomposite. Our results indicate that solution processed SWNT thin films are a viable alternative to ITO for photovoltaic devices, eliminating an expensive vacuum deposition step in the fabrication of organic solar cells.",

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AU - Pasquier, Aurelien Du

AU - Unalan, Husnu Emrah

AU - Kanwal, Alokik

AU - Miller, Steve

AU - Chhowalla, Manish

PY - 2005/11/14

Y1 - 2005/11/14

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Conducting and transparent single-wall carbon nanotube electrodes for polymer-fullerene solar cells

Abstract

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