Preparation of conductive PDDA/(PEDOT:PSS) multilayer thin film: influence of polyelectrolyte solution composition
| Autor: | Nicolas Martin, C. Filiâtre, C.C. Buron, F.E. Jurin |
|---|---|
| Přispěvatelé: | Univers, Transport, Interfaces, Nanostructures, Atmosphère et environnement, Molécules (UMR 6213) (UTINAM), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174) (FEMTO-ST), Université de Technologie de Belfort-Montbeliard (UTBM)-Ecole Nationale Supérieure de Mécanique et des Microtechniques (ENSMM)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS), Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS) |
| Rok vydání: | 2014 |
| Předmět: |
Materials science
02 engineering and technology Electrolyte Conductivity 010402 general chemistry 01 natural sciences [SPI.MAT]Engineering Sciences [physics]/Materials Styrene Biomaterials chemistry.chemical_compound Colloid and Surface Chemistry Adsorption PEDOT:PSS Polymer chemistry [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics Thin film [SPI.ACOU]Engineering Sciences [physics]/Acoustics [physics.class-ph] 021001 nanoscience & nanotechnology Polyelectrolyte 0104 chemical sciences Surfaces Coatings and Films Electronic Optical and Magnetic Materials chemistry Chemical engineering Ionic strength 0210 nano-technology |
| Zdroj: | Journal of Colloid and Interface Science Journal of Colloid and Interface Science, Elsevier, 2014, pp.64-70 Journal of Colloid and Interface Science, Elsevier, 2014, 431, pp.64-70. ⟨10.1016/j.jcis.2014.06.005⟩ |
| ISSN: | 1095-7103 0021-9797 |
| Popis: | Self-assembled multilayer films made of PEDOT:PSS poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) and PDDA poly(diallyldimethylammonium chloride) were prepared using layer-by-layer method. In order to modify the growth regime of the multilayer, to fabricate an electrical conductive film and to control its thickness, the effects of pH, type of electrolyte, ionic strength and polyelectrolyte concentration were investigated. Optical reflectometry measurements show that the pH of the solutions has no effect on the film growth while the adsorbed amount increases more rapidly when BaCl2 is used instead of NaCl as electrolyte. An increase in the ionic strength (with NaCl) induces a change in the growth regime from a linear to an exponential one at low polyelectrolyte concentration. As UV–vis measurements indicate, no decomplexation of PEDOT was recorded after film preparation. With polyelectrolyte concentration below 1 g L−1, no conductive films were obtained even if 50 bilayers were deposited. A conductive film was prepared with a polyelectrolyte concentration of 1 g L−1 and the measured conductivity was 0.3 S m−1. A slight increase in conductivity was recorded when BaCl2 was used probably due to a modification of the film structure. |
| Databáze: | OpenAIRE |
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