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 journalArticle

451 Citations (Scopus)

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 languageEnglish
Article number203511
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume87
Issue number20
DOIs
Publication statusPublished - Nov 14 2005

Fingerprint

indium oxides
tin oxides
fullerenes
solar cells
carbon nanotubes
conduction
vacuum deposition
electrodes
butyric acid
polymers
short circuit currents
thin films
thiophenes
esters
nanocomposites
illumination
fabrication
glass
air
cells

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Conducting and transparent single-wall carbon nanotube electrodes for polymer-fullerene solar cells. / Pasquier, Aurelien Du; Unalan, Husnu Emrah; Kanwal, Alokik; Miller, Steve; Chhowalla, Manish.

In: Applied Physics Letters, Vol. 87, No. 20, 203511, 14.11.2005, p. 1-3.

Research output: Contribution to journalArticle

Pasquier, Aurelien Du ; Unalan, Husnu Emrah ; Kanwal, Alokik ; Miller, Steve ; Chhowalla, Manish. / Conducting and transparent single-wall carbon nanotube electrodes for polymer-fullerene solar cells. In: Applied Physics Letters. 2005 ; Vol. 87, No. 20. pp. 1-3.
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