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Title: | Continuous Flow Polymer Synthesis toward Reproducible Large-Scale Production for Efficient Bulk Heterojunction Organic Solar Cells | Authors: | PIROTTE, Geert KESTERS, Jurgen VERSTAPPEN, Pieter GOVAERTS, Sanne MANCA, Jean LUTSEN, Laurence VANDERZANDE, Dirk MAES, Wouter |
Issue Date: | 2015 | Publisher: | WILEY-V C H VERLAG GMBH | Source: | CHEMSUSCHEM, 8 (19), p. 3228-3233 | Abstract: | Organic photovoltaics (OPV) have attracted great interest as a solar cell technology with appealing mechanical, aesthetical, and economies-of-scale features. To drive OPV toward economic viability, low-cost, large-scale module production has to be realized in combination with increased top-quality material availability and minimal batch-to-batch variation. To this extent, continuous flow chemistry can serve as a powerful tool. In this contribution, a flow protocol is optimized for the high performance benzodithiophene-thienopyrroledione copolymer PBDTTPD and the material quality is probed through systematic solar-cell evaluation. A stepwise approach is adopted to turn the batch process into a reproducible and scalable continuous flow procedure. Solar cell devices fabricated using the obtained polymer batches deliver an average power conversion efficiency of 7.2%. Upon incorporation of an ionic polythiophene-based cathodic interlayer, the photovoltaic performance could be enhanced to a maximum efficiency of 9.1%. | Notes: | [Pirotte, Geert; Kesters, Jurgen; Verstappen, Pieter; Govaerts, Sanne; Vanderzande, Dirk; Maes, Wouter] Hasselt Univ, Inst Mat Res IMO IMOMEC, DSOS, B-3590 Diepenbeek, Belgium. [Pirotte, Geert; Kesters, Jurgen; Verstappen, Pieter; Govaerts, Sanne; Lutsen, Laurence; Vanderzande, Dirk; Maes, Wouter] IMOMEC, IMEC, B-3590 Diepenbeek, Belgium. [Kesters, Jurgen; Manca, Jean] Hasselt Univ, Inst Mat Res IMO IMOMEC, Div Mat Phys, B-3590 Diepenbeek, Belgium. | Keywords: | continuous flow synthesis; low bandgap polymers; organic semiconductors; photovoltaics; reproducible performance | Document URI: | http://hdl.handle.net/1942/19790 | ISSN: | 1864-5631 | e-ISSN: | 1864-564X | DOI: | 10.1002/cssc.201500850 | ISI #: | 000362729800007 | Rights: | © 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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Pirotte, ChemSusChem 2015, 3228.pdf Restricted Access | Published version | 655.13 kB | Adobe PDF | View/Open Request a copy |
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