PRUNET, Geoffrey; PARRENIN, Laurie; PAVLOPOULOU, Eleni; PÉCASTAINGS, Gilles; BROCHON, Cyril; HADZIIOANNOU, Georges; CLOUTET, Eric

doi:10.1002/marc.201700504

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PRUNET, Geoffrey
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies

PARRENIN, Laurie
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies

PAVLOPOULOU, Eleni
Laboratoire de Chimie des Polymères Organiques [LCPO]
Team 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies

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Macromolecular Rapid Communications. 2018, vol. 39, n° 2, p. 1700504

Wiley-VCH Verlag

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The fabrication of organic solar cells from aqueous dispersions of photoactive nanoparticles has recently attracted the interest of the photovoltaic community, since these dispersions offer an eco-friendly solution for the fabrication of solar cells, avoiding the use of toxic solvents. In this work, aqueous dispersions of pure poly[n-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)] (PCDTBT) and [6,6]-phenyl-C 71-butyric acid methyl ester (PC71BM) nanoparticles, as well as of composite PC71BM:PCDTBT nanoparticles, are prepared using the nanoprecipitation post-polymerization method. These dispersions are subsequently used to form the active layer of organic photovoltaic cells. Thin films of PC71BM and PCDTBT are obtained by spray deposition of the nanoparticles' dispersions, and are characterized using a combination of spectroscopic and microscopic techniques. Photovoltaics that incorporate these active layers are fabricated thereafter. The impact of the annealing temperature and of the composition of the active layer on the efficiency of the solar is studied.< Réduire

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Aqueous PCDTBT:PC 71 BM Photovoltaic Inks Made by Nanoprecipitation

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