Thin mesoporous polyaniline films manifesting a water-promoted photovoltaic effect
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Natalia Gospodinova
,
Elena Tomšík
Abstract
Photovoltaic cells composed of thin mesoporous polyaniline films sandwiched between an indium-tin oxide anode and aluminium cathode have been fabricated. The cells show an increase in the photo-generated open-circuit voltage (V oc) from 0.2 V to 0.6 V and stable-in-time V oc generation following the addition of water containing highly hydrated ions, e.g. tap water.We explain the waterpromoted photo-voltaic effect by the polarity of the water environment. Theoretical calculations show that increasing the solvent polarity increases the energy of the electronic transition related to the measured V oc. The stable-in-time V oc generation could be explained by the increase in the lifetime of the excitons as well as by their more efficient dissociation in the interpenetrating network of polyaniline and water. The penetration of water into the mesoporous polyaniline films is promoted by the presence of highly hydrated ions.
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© 2012 Institute of Chemistry, Slovak Academy of Sciences
Articles in the same Issue
- Recent trends and progress in research into structure and properties of polyaniline and polypyrrole — Topical Issue
- Printing polyaniline for sensor applications
- Carbonised polyaniline and polypyrrole: towards advanced nitrogen-containing carbon materials
- Conducting polymer-silver composites
- Electrorheological response of polyaniline and its hybrids
- Effect of PPy/PEG conducting polymer film on electrochemical performance of LiFePO4 cathode material for Li-ion batteries
- Polyaniline micro-/nanostructures: morphology control and formation mechanism exploration
- Self-assembly of aniline oligomers and their induced polyaniline supra-molecular structures
- Self-organization of polyaniline during oxidative polymerization: formation of granular structure
- Influence of ethanol on the chain-ordering of carbonised polyaniline
- X-ray absorption spectroscopy of nanostructured polyanilines
- Effect of cations on polyaniline morphology
- Preparation of polyaniline in the presence of polymeric sulfonic acids mixtures: the role of intermolecular interactions between polyacids
- Chemical degradation of polyaniline by reaction with Fenton’s reagent — a spectroelectrochemical study
- Thin mesoporous polyaniline films manifesting a water-promoted photovoltaic effect
- Polyamide grafted with polypyrrole: formation, properties, and stability
- Effect of ionic liquid on polyaniline chemically synthesised under falling-pH conditions
- Polyaniline doped with poly(acrylamidomethylpropanesulphonic acid): electrochemical behaviour and conductive properties in neutral solutions
- Electrical transport properties of poly(aniline-co-p-phenylenediamine) and its composites with incorporated silver particles
- Bi-hybrid coatings: polyaniline-montmorillonite filler in organic-inorganic polymer matrix
- Preparation of aqueous polyaniline-vesicle suspensions with class III peroxidases. Comparison between horseradish peroxidase isoenzyme C and soybean peroxidase
- Preparation, characterisation, and dielectric properties of polypyrrole-clay composites
- Multi-wall carbon nanotubes with nitrogen-containing carbon coating
- Conducting poly(o-anisidine)-coated steel electrodes for supercapacitors
- Conducting polyaniline/multi-wall carbon nanotubes composite paints on low carbon steel for corrosion protection: electrochemical investigations
- Preparation of a miniaturised iodide ion selective sensor using polypyrrole and pencil lead: effect of double-coating, electropolymerisation time, and current density
- Role of polyaniline morphology in Pd particles dispersion. Hydrogenation of alkynes in the presence of Pd-polyaniline catalysts
- Nanostructured polyaniline-coated anode for improving microbial fuel cell power output
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Articles in the same Issue
- Recent trends and progress in research into structure and properties of polyaniline and polypyrrole — Topical Issue
- Printing polyaniline for sensor applications
- Carbonised polyaniline and polypyrrole: towards advanced nitrogen-containing carbon materials
- Conducting polymer-silver composites
- Electrorheological response of polyaniline and its hybrids
- Effect of PPy/PEG conducting polymer film on electrochemical performance of LiFePO4 cathode material for Li-ion batteries
- Polyaniline micro-/nanostructures: morphology control and formation mechanism exploration
- Self-assembly of aniline oligomers and their induced polyaniline supra-molecular structures
- Self-organization of polyaniline during oxidative polymerization: formation of granular structure
- Influence of ethanol on the chain-ordering of carbonised polyaniline
- X-ray absorption spectroscopy of nanostructured polyanilines
- Effect of cations on polyaniline morphology
- Preparation of polyaniline in the presence of polymeric sulfonic acids mixtures: the role of intermolecular interactions between polyacids
- Chemical degradation of polyaniline by reaction with Fenton’s reagent — a spectroelectrochemical study
- Thin mesoporous polyaniline films manifesting a water-promoted photovoltaic effect
- Polyamide grafted with polypyrrole: formation, properties, and stability
- Effect of ionic liquid on polyaniline chemically synthesised under falling-pH conditions
- Polyaniline doped with poly(acrylamidomethylpropanesulphonic acid): electrochemical behaviour and conductive properties in neutral solutions
- Electrical transport properties of poly(aniline-co-p-phenylenediamine) and its composites with incorporated silver particles
- Bi-hybrid coatings: polyaniline-montmorillonite filler in organic-inorganic polymer matrix
- Preparation of aqueous polyaniline-vesicle suspensions with class III peroxidases. Comparison between horseradish peroxidase isoenzyme C and soybean peroxidase
- Preparation, characterisation, and dielectric properties of polypyrrole-clay composites
- Multi-wall carbon nanotubes with nitrogen-containing carbon coating
- Conducting poly(o-anisidine)-coated steel electrodes for supercapacitors
- Conducting polyaniline/multi-wall carbon nanotubes composite paints on low carbon steel for corrosion protection: electrochemical investigations
- Preparation of a miniaturised iodide ion selective sensor using polypyrrole and pencil lead: effect of double-coating, electropolymerisation time, and current density
- Role of polyaniline morphology in Pd particles dispersion. Hydrogenation of alkynes in the presence of Pd-polyaniline catalysts
- Nanostructured polyaniline-coated anode for improving microbial fuel cell power output
- Antibacterial properties of polyaniline-silver films
- Effect of compression pressure on mechanical and electrical properties of polyaniline pellets
