Carbon nanotube-amorphous silicon hybrid solar cell with improved conversion efficiency

Adinath M. Funde, Albert G. Nasibulin, Hashmi Gufran Syed, Anton S. Anisimov, Alexey Tsapenko, Peter Lund, J. D. Santos, I. Torres, J. J. Gandía, J. Cárabe, A. D. Rozenberg, Igor A. Levitsky

    Research output: Contribution to journalArticlepeer-review

    11 Citations (Scopus)


    We report a hybrid solar cell based on single walled carbon nanotubes (SWNTs) interfaced with amorphous silicon (a-Si). The high quality carbon nanotube network was dry transferred onto intrinsic a-Si forming Schottky junction for metallic SWNT bundles and heterojunctions for semiconducting SWNT bundles. The nanotube chemical doping and a-Si surface treatment minimized the hysteresis effect in current-voltage characteristics allowing an increase in the conversion efficiency to 1.5% under an air mass 1.5 solar spectrum simulator. We demonstrated that the thin SWNT film is able to replace a simultaneously p-doped a-Si layer and transparent conductive electrode in conventional amorphous silicon thin film photovoltaics.

    Original languageEnglish
    Article number185401
    Issue number18
    Publication statusPublished - 23 Mar 2016


    • carbon nanotube
    • carbon nanotube - silicon heterojunction
    • heterojunction solar cell


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