Efficient recyclable organic solar cells on cellulose nanocrystal substrates with a conducting polymer top electrode deposited by film-transfer lamination
2014; Elsevier BV; Volume: 15; Issue: 3 Linguagem: Inglês
10.1016/j.orgel.2013.12.018
ISSN1878-5530
AutoresYinhua Zhou, Talha M. Khan, Jen-Chieh Liu, Canek Fuentes-Hernández, Jae Won Shim, Ehsan Najafabadi, Jeffrey P. Youngblood, Robert J. Moon, Bernard Kippelen,
Tópico(s)Conducting polymers and applications
ResumoWe 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.
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