Organic solar cells with carbon nanotubes replacing In2 O3: Sn as the transparent electrode

Jao Van De Lagemaat, Teresa M. Barnes, Garry Rumbles, Sean E. Shaheen, Timothy J. Coutts, Chris Weeks, Igor Levitsky, Jorma Peltola, Paul Glatkowski

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Abstract

We report two viable organic excitonic solar cell structures where the conventional In2 O3: Sn (ITO) hole-collecting electrode was replaced by a thin single-walled carbon nanotube layer. The first structure includes poly(3,4-ethylenedioxythiophene) (PEDOT) and gave a nonoptimized device efficiency of 1.5%. The second did not use PEDOT as a hole selective contact and had an efficiency of 0.47%. The strong rectifying behavior of the device shows that nanotubes are selective for holes and are not efficient recombination sites. The reported excitonic solar cell, produced without ITO and PEDOT, is an important step towards a fully printable solar cell.

Original languageEnglish
Article number233503
JournalApplied Physics Letters
Volume88
Issue number23
DOIs
Publication statusPublished - Jun 5 2006

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Van De Lagemaat, J., Barnes, T. M., Rumbles, G., Shaheen, S. E., Coutts, T. J., Weeks, C., Levitsky, I., Peltola, J., & Glatkowski, P. (2006). Organic solar cells with carbon nanotubes replacing In2 O3: Sn as the transparent electrode. Applied Physics Letters, 88(23), [233503]. https://doi.org/10.1063/1.2210081