Gravure printing for three subsequent solar cell layers of inverted structures on flexible substrates

Monika M. Voigt, Roderick C.I. MacKenzie, Chin P. Yau, Pedro Atienzar, Justin Dane, Panagiotis E. Keivanidis, Donal D.C. Bradley, Jenny Nelson

Research output: Contribution to journalArticlepeer-review

110 Scopus citations

Abstract

Inverted organic photovoltaic devices have been fabricated by gravure printing on a flexible substrate. In order to enable printing of multiple layers sequentially, a systematic study of wetting behaviour of each layer in the device is performed. Successful wetting of a hydrophobic P3HT:PCBM surface by a hydrophilic PEDOT:PSS ink is achieved with the addition of a surfactant/alcohol to the PEDOT:PSS ink and with oxygen plasma treatment. We are therefore able to print titanium oxide, poly(3-hexylthiophene) (P3HT) blended with [6,6]-phenyl C61 butyric acid methyl ester (PCBM) and poly-3,4-ethylenedioxythiophene: poly(styrene sulphonic acid) (PEDOT:PSS). As result we get for three printed layers a 0.6% power conversion efficiency. © 2010 Elsevier B.V. All rights reserved.
Original languageEnglish (US)
JournalSolar Energy Materials and Solar Cells
Volume95
Issue number2
DOIs
StatePublished - Feb 1 2011
Externally publishedYes

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Generated from Scopus record by KAUST IRTS on 2019-11-27

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