Single-walled carbon nanotube/polyaniline/n-silicon solar cells: Fabrication, characterization, and performance measurements

Daniel Tune, Benjamin Flavel, Jamie Quinton, Amanda Ellis, Joseph Shapter

    Research output: Contribution to journalArticle

    29 Citations (Scopus)

    Abstract

    Carbon nanotube-silicon solar cells are a recently investigated photovoltaic architecture with demonstrated high efficiencies. Silicon solar-cell devices fabricated with a thin film of conductive polymer (polyaniline) have been reported, but these devices can suffer from poor performance due to the limited lateral current-carrying capacity of thin polymer films. Herein, hybrid solar-cell devices of a thin film of polyaniline deposited on silicon and covered by a single-walled carbon nanotube film are fabricated and characterized. These hybrid devices combine the conformal coverage given by the polymer and the excellent electrical properties of single-walled carbon nanotube films and significantly outperform either of their component counterparts. Treatment of the silicon base and carbon nanotubes with hydrofluoric acid and a strong oxidizer (thionyl chloride) leads to a significant improvement in performance.

    Original languageEnglish
    Pages (from-to)320-327
    Number of pages8
    JournalChemSusChem
    Volume6
    Issue number2
    DOIs
    Publication statusPublished - Feb 2013

    Keywords

    • materials science
    • nanotechnology
    • nanotubes
    • polymers
    • raman spectroscopy

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