The effect of carbon nanotube diameter and wall number in carbon nanotube/silicon heterojunction solar cells

Tom Grace, LePing Yu, Christopher Gibson, Daniel Tune, Huda Alturaif, Zeid AlOththman, Joseph Shapter

    Research output: Contribution to journalArticle

    22 Citations (Scopus)

    Abstract

    Suspensions of single-walled, double-walled and multi-walled carbon nanotubes (CNTs) were generated in the same solvent at similar concentrations. Films were fabricated from these suspensions and used in carbon nanotube/silicon heterojunction solar cells and their properties were compared with reference to the number of walls in the nanotube samples. It was found that single-walled nanotubes generally produced more favorable results; however, the double and multi-walled nanotube films used in this study yielded cells with higher open circuit voltages. It was also determined that post fabrication treatments applied to the nanotube films have a lesser effect on multi-walled nanotubes than on the other two types.

    Original languageEnglish
    Article number52
    Pages (from-to)52-64
    Number of pages13
    JournalNanomaterials
    Volume6
    Issue number3
    DOIs
    Publication statusPublished - 2016

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