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Nanotube film metallicity and its effect on the performance of carbon nanotube-silicon solar cells

Tune, Daniel D. and Blanch, Adam J. and Krupke, Ralph and Flavel, Benjamin S. and Shapter, Joseph G. (2014):
Nanotube film metallicity and its effect on the performance of carbon nanotube-silicon solar cells.
211, In: physica status solidi (a), (7), WILEY-VCH Verlag GmbH & Co. KGaA, pp. 1479-1487, ISSN 18626300, [Online-Edition: http://dx.doi.org/10.1002/pssa.201431043],
[Article]

Abstract

Research into silicon solar cells that use a thin film of single walled carbon nanotubes as the front electrode is an important area of increasing research activity. This paper provides the first ever direct performance comparison between devices fabricated with either semiconducting, metallic or mixed nanotubes to probe the effect of the semiconducting/metallic nature, or ‘metallicity’, of the nanotube film on solar cell performance and properties. HiPCO nanotube material sorted using the gel chromatography technique is highly purified in either metallic or semiconducting nanotube species. The solar cells fabricated with the metallic nanotubes greatly outperform their semiconducting or mixed counterparts. The operating mechanisms underlying this observation and its implications in regards to current understanding are discussed in light of recent literature. Dramatic increases in performance as well as substantial changes in the effect of metallicity due to subsequent hole doping of the sorted

Item Type: Article
Erschienen: 2014
Creators: Tune, Daniel D. and Blanch, Adam J. and Krupke, Ralph and Flavel, Benjamin S. and Shapter, Joseph G.
Title: Nanotube film metallicity and its effect on the performance of carbon nanotube-silicon solar cells
Language: English
Abstract:

Research into silicon solar cells that use a thin film of single walled carbon nanotubes as the front electrode is an important area of increasing research activity. This paper provides the first ever direct performance comparison between devices fabricated with either semiconducting, metallic or mixed nanotubes to probe the effect of the semiconducting/metallic nature, or ‘metallicity’, of the nanotube film on solar cell performance and properties. HiPCO nanotube material sorted using the gel chromatography technique is highly purified in either metallic or semiconducting nanotube species. The solar cells fabricated with the metallic nanotubes greatly outperform their semiconducting or mixed counterparts. The operating mechanisms underlying this observation and its implications in regards to current understanding are discussed in light of recent literature. Dramatic increases in performance as well as substantial changes in the effect of metallicity due to subsequent hole doping of the sorted

Journal or Publication Title: physica status solidi (a)
Volume: 211
Number: 7
Publisher: WILEY-VCH Verlag GmbH & Co. KGaA
Uncontrolled Keywords: carbon nanotubes, doping, photovoltaic devices, solar cells, thin films
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Fachgebiet Molekulare Nanostrukturen
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 08 Jan 2015 12:22
Official URL: http://dx.doi.org/10.1002/pssa.201431043
Identification Number: doi:10.1002/pssa.201431043
Funders: Funded by Deutsche Forschungsgemeinschaft's Emmy Noether Program. Grant Number: FL 834/1-1
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