Efficient recyclable organic solar cells on cellulose nanocrystal substrates with a conducting polymer top electrode deposited by film-transfer lamination

  • Yinhua Zhou
  • , Talha M. Khan
  • , Jen Chieh Liu
  • , Canek Fuentes-Hernandez
  • , Jae Won Shim
  • , Ehsan Najafabadi
  • , Jeffrey P. Youngblood
  • , Robert J. Moon
  • , Bernard Kippelen*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We report on efficient solar cells on recyclable cellulose nanocrystal (CNC) substrates with a new device structure wherein polyethylenimine-modified Ag is used as the bottom electron-collecting electrode and high-conductivity poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS, PH1000) is used as the semitransparent top hole-collecting electrode. The PEDOT:PSS top electrode is deposited by a film-transfer lamination technique. This dry process avoids swelling damage to the CNC substrate, which is observed when PEDOT:PSS is directly spin-coated from an aqueous solution. Solar cells on recyclable CNC substrates exhibit a maximum power conversion efficiency of 4.0% with a large fill factor of 0.64 ± 0.02 when illuminated through the top semitransparent PEDOT:PSS electrode. The performance of solar cells on CNC substrates is comparable to that of reference solar cells on polyethersulfone substrates.

Original languageEnglish
Pages (from-to)661-666
Number of pages6
JournalOrganic Electronics
Volume15
Issue number3
DOIs
Publication statusPublished - 2014 Mar
Externally publishedYes

Keywords

  • Cellulose nanocrystal
  • Film-transfer lamination
  • Recyclable organic solar cells

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

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