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

Adinath M. Funde, Albert G. Nasibulin, Syed Hashmi, 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 journalArticleScientificpeer-review

13 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
Pages (from-to)1-6
Issue number18
Publication statusPublished - 23 Mar 2016
MoE publication typeA1 Journal article-refereed


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


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