Electronically monodisperse single-walled carbon nanotube thin films as transparent conducting anodes in organic photovoltaic devices

Timothy P. Tyler; Ryan E. Brock; Hunter J. Karmel; Tobin J. Marks; Mark C. Hersam

doi:10.1002/aenm.201100274

Electronically monodisperse single-walled carbon nanotube thin films as transparent conducting anodes in organic photovoltaic devices

Timothy P. Tyler, Ryan E. Brock, Hunter J. Karmel, Tobin J. Marks, Mark C. Hersam

Northwestern University

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

54 Citations (Scopus)

Abstract

Single-walled carbon nanotubes (SWNTs) sorted by electronic type are employed as organic photovoltaic device anodes. Metal-enriched SWNT films yield device efficiencies that are fifty times greater than their semiconducting counterparts. Through sheet resistance, UV-vis-NIR optical absorbance, and X-ray photoelectron spectroscopy measurements, the OPV charge blocking layer PEDOT:PSS is found to reverse the original chemical doping of the SWNT films. The relative insensitivity of metallic SWNTs to chemical doping thus explains the improved performance of metal-enriched SWNT films as OPV anodes.

Original language	English
Pages (from-to)	785-791
Number of pages	7
Journal	Advanced Energy Materials
Volume	1
Issue number	5
DOIs	https://doi.org/10.1002/aenm.201100274
Publication status	Published - Oct 1 2011

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Materials Science(all)

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title = "Electronically monodisperse single-walled carbon nanotube thin films as transparent conducting anodes in organic photovoltaic devices",

abstract = "Single-walled carbon nanotubes (SWNTs) sorted by electronic type are employed as organic photovoltaic device anodes. Metal-enriched SWNT films yield device efficiencies that are fifty times greater than their semiconducting counterparts. Through sheet resistance, UV-vis-NIR optical absorbance, and X-ray photoelectron spectroscopy measurements, the OPV charge blocking layer PEDOT:PSS is found to reverse the original chemical doping of the SWNT films. The relative insensitivity of metallic SWNTs to chemical doping thus explains the improved performance of metal-enriched SWNT films as OPV anodes.",

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AU - Brock, Ryan E.

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AU - Marks, Tobin J.

AU - Hersam, Mark C.

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AB - Single-walled carbon nanotubes (SWNTs) sorted by electronic type are employed as organic photovoltaic device anodes. Metal-enriched SWNT films yield device efficiencies that are fifty times greater than their semiconducting counterparts. Through sheet resistance, UV-vis-NIR optical absorbance, and X-ray photoelectron spectroscopy measurements, the OPV charge blocking layer PEDOT:PSS is found to reverse the original chemical doping of the SWNT films. The relative insensitivity of metallic SWNTs to chemical doping thus explains the improved performance of metal-enriched SWNT films as OPV anodes.

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