Enhanced efficiency of hybrid amorphous silicon solar cells based on single-walled carbon nanotubes and polymer composite thin film

Pramod M. Rajanna*, Evgenia P. Gilshteyn, Timur Yagafarov, Alena K. Aleekseeva, Anton S. Anisimov, Alex Neumüller, Oleg Sergeev, Sergei Bereznev, Jelena Maricheva, Albert G. Nasibulin

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Abstract

We report a simple approach to fabricate hybrid solar cells (HSCs) based on a single-walled carbon nanotube (SWCNT) film and thin film hydrogenated amorphous silicon (a-Si:H). Randomly oriented high-quality SWCNTs with conductivity enhanced by means of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate are used as a window layer and a front electrode. A series of HSCs are fabricated in ambient conditions with varying SWCNT film thicknesses. The polymethylmethacrylate layer drop-casted on fabricated HSCs reduces the reflection fourfold and enhances the short-circuit Jsc, open-circuit V oc, and efficiency by nearly 10%. A state-of-the-art J-V performance is shown for SWCNT/a-Si HSC with an open-circuit voltage of 900 mV and an efficiency of 3.4% under simulated one-sun AM 1.5 G direct illumination.

Original languageEnglish
Article number105404
Pages (from-to)1-10
JournalNanotechnology
Volume29
Issue number10
DOIs
Publication statusPublished - 31 Jan 2018
MoE publication typeA1 Journal article-refereed

Keywords

  • amorphous silicon
  • Carbon nanotube
  • heterojunction
  • PEDOT
  • PSS
  • solar cells

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