Supplementary Information








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titreSupplementary Information
date de publication20.11.2017
taille16.08 Kb.
typeDocumentos
Supplementary Information
Fluorinated Benzothiadiazole-Based Low Band Gap Copolymers to Enhance Open-Circuit Voltage and Efficiency of Polymer Solar Cells

Hussein Medleja,b,*, Ali Nourdinea,b, Hussein Awadac, Mamatimin Abbasd, Christine Dagron-Lartigauc, Guillaume Wantzd, Lionel Flandina,b,*

a Univ. Savoie, LEPMI, F-73000 Chambéry, France

b CNRS, LEPMI, F-38000 Grenoble, France

c IPREM CNRS-UMR 5254, Université de Pau et des Pays de l'Adour, Hélioparc, 2 avenue Président Angot, 64053 Pau Cedex 9, France

d Université de Bordeaux, Laboratoire IMS, UMR CNRS 5218, Ecole Nationale Supérieure de Chimie, Biologie et Physique, 16 Avenue Pey Berland, 33607 Pessac Cedex, France

Correspondence to: Hussein Medlej (E-mail: hussein.medlej@ul.edu.lb) or Lionel Flandin (E-mail: Lionel.Flandin@univ-savoie.fr)


Figure S1. 19F NMR spectra of compound (1), (2) and monomer (M1) (CDCl3, 25 °C, 400 MHz)
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Figure S2. 13C NMR spectra of compound 1, 2 and monomer M1 (CDCl3, 25 °C, 400 MHz)

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Figure S3. 1H NMR spectra of PDTSffBT copolymer (CDCl3, 25 °C, 400 MHz)

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Figure S4. DSC traces of PDTSffBT (dashed line) and PDTSBT (solid line) recorded at a heating rate of 10 ºC min-1 and a cooling rate of 5 ºC min-1 under a nitrogen atmosphere





Figure S5. (a) Absorption spectra of the two copolymers PDTSffBT (dashed line) and PDTSBT (solid line) in chloroform solution (2.4 10-5 mol l-1) and (b) Absorption maxima at λmax as function of the molar concentration

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