0000000000005073

AUTHOR

C.c. Buron

showing 4 related works from this author

From the solution processing of hydrophilic molecules to polymer-phthalocyanine hybrid materials for ammonia sensing in high humidity atmospheres.

2014

We have prepared different hybrid polymer-phthalocyanine materials by solution processing, starting from two sulfonated phthalocyanines, s-CoPc and CuTsPc, and polyvinylpyrrolidone (PVP), polyethylene glycol (PEG), poly(acrylic acid-co-acrylamide) (PAA-AM), poly(diallyldimethylammonium chloride) (PDDA) and polyaniline (PANI) as polymers. We also studied the response to ammonia (NH3) of resistors prepared from these sensing materials. The solvent casted films, prepared from s-CoPc and PVP, PEG and PAA-AM, were highly insulating and very sensitive to the relative humidity (RH) variation. The incorporation of s-CoPc in PDDA by means of layer-by-layer (LBL) technique allowed to stabilize the fi…

Materials scienceIndolesPolymersEnvironmental Science and Managementlayer-by-layerInorganic chemistryPolyethylene glycolIsoindoleslcsh:Chemical technologyrelative humidityBiochemistryammoniaArticlepolyanilineAnalytical Chemistrychemistry.chemical_compoundsolution processing; polyaniline; phthalocyanine; hybrid material; layer-by-layer; ammonia; relative humidity; conductometric sensorPolyanilinemedicine[CHIM]Chemical Scienceslcsh:TP1-1185conductometric sensorElectrical and Electronic EngineeringInstrumentationchemistry.chemical_classificationAqueous solutionAniline CompoundsPolyvinylpyrrolidoneEcologyAtmosphereLayer by layerhybrid materialHumidityPolymerAtomic and Molecular Physics and OpticsSolutionsphthalocyaninechemistryPhthalocyaninesolution processingHybrid materialDistributed ComputingHydrophobic and Hydrophilic Interactionsmedicine.drug
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Evaluation of adhesion forces for the manipulation of micro-objects in submerged environment through deposition of pH responsive polyelectrolyte laye…

2016

Optimization of surface treatment for reversible adhesion of micro-objects in liquid environment for the need in microassembly processes is presented. A spherical borosilicate probe and planar oxidized silicon wafer substrates were modified by deposition of pH sensitive polyelectrolyte films through layer-by-layer technique. Branched polyethylenimine (b-PEI) and poly(sodium styrenesulfonate) (PSS) were deposited in alternating manner on surfaces, and the influence of polyelectrolyte concentration, pH of deposition, and number of layers on the adhesion were successively examined. The multilayer buildup was followed by optical reflectometry (OR) and dissipative quartz crystal microbalance (QC…

ChemistrySurface forceNanotechnology02 engineering and technologySurfaces and InterfacesAdhesionQuartz crystal microbalance010402 general chemistry021001 nanoscience & nanotechnologyCondensed Matter Physics01 natural sciences6. Clean waterPolyelectrolyte0104 chemical sciencesContact angleChemical engineeringElectrochemistrySurface roughnessDeposition (phase transition)[CHIM]Chemical SciencesGeneral Materials ScienceWafer0210 nano-technologySpectroscopyComputingMilieux_MISCELLANEOUS
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Preparation of conductive PDDA/(PEDOT:PSS) multilayer thin film: influence of polyelectrolyte solution composition.

2014

Abstract 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…

Materials science02 engineering and technologyElectrolyteConductivity010402 general chemistry01 natural sciences[SPI.MAT]Engineering Sciences [physics]/MaterialsStyreneBiomaterialschemistry.chemical_compoundColloid and Surface ChemistryAdsorptionPEDOT:PSSPolymer chemistry[SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/MicroelectronicsThin film[SPI.ACOU]Engineering Sciences [physics]/Acoustics [physics.class-ph]021001 nanoscience & nanotechnologyPolyelectrolyte0104 chemical sciencesSurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialschemistryChemical engineeringIonic strength0210 nano-technologyJournal of colloid and interface science
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Inkjet Printable ZnO/PEDOT:PSS Heterojunction for Thin Flexible Semi-Transparent Optoelectronic Sensors

2020

International audience; Flexible sensors play an increasing role in printed electronics and are of interest for optoelectronic applications in flexible robotics and industrial automation. Thus, we have investigated the hybrid inorganic-organic junction between ZnO and PEDOT:PSS (poly(3,4-ethylenedioxythiophene) polystyrene sulfonate). A thin ITO (indium tin oxide) layer on PET (polyethylene terephthalate) foils was used as substrate electrode. ZnO was deposited from a nanoparticle (NP) suspension by electrophoretic deposition. For comparison, we have used three different methods for the deposition of PEDOT:PSS, namely (i) drop casting, (ii) dip-coating, (iii) inkjet printing. For the result…

Materials scienceheterojunctionResistanceII-VI semiconductor materialsNanoparticle02 engineering and technologySubstrate (electronics)01 natural sciencesElectrophoretic depositionPEDOT:PSS0103 physical sciencesZinc oxide[CHIM]Chemical SciencesFilms010302 applied physicsphotosensorinkjet printingnegative photoresponseNanocompositebusiness.industry021001 nanoscience & nanotechnologyIndium tin oxideelectrophoretic depositionPrinted electronicsHeterojunctionsOptoelectronicsPrintingprinted electronics0210 nano-technologybusinessLayer (electronics)
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