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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/19790

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
Citation: 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.
URI: http://hdl.handle.net/1942/19790
DOI: 10.1002/cssc.201500850
ISI #: 000362729800007
ISSN: 1864-5631
Category: A1
Type: Journal Contribution
Validation: ecoom, 2016
Appears in Collections: Research publications

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