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Electrical conductivity of an all-natural and biocompatible semi-interpenetrating polymer network containing a deep eutectic solvent
(Royal Society of Chemistry, 2020-07-29)
A series of semi-interpenetrating polymer networks (semi-IPNs) consisting of crosslinked poly(itaconic
acid) in the presence of the polysaccharide inulin were prepared by free-radical polymerization, taking
advantage of ...
Sb2S3-Sensitized Photoelectrochemical Cells: Open Circuit Voltage Enhancement through the Introduction of Poly-3-hexylthiophene Interlayer
(American Chemical Society, 2012)
The Sb2S3-sensitized photoelectrochemical cells (Sb2S3–SPECs) in cobalt electrolyte were fabricated by depositing Sb2S3 on the macroporous TiO2 nanorods electrodes and consecutively spin-coating P3HT (Poly-3-hexylthiophene) ...
General Working Principles of CH3NH3PbX3 Perovskite Solar Cells
(American Chemical Society, 2014)
Organometal halide perovskite-based solar cells have recently realized large conversion efficiency over 15% showing great promise for a new large scale cost-competitive photovoltaic technology. Using impedance spectroscopy ...
CdSe quantum dot-sensitized TiO2 electrodes: effect of quantum dot coverage and mode of attachment
(American Chemical Society, 2009)
We have investigated the sensitization of nanoporous titanium dioxide by previously synthesized CdSe quantum dots (QDs) protected with trioctylphosphine. Covering the nanoporous TiO2 films with QDs has been achieved using ...
Electron Lifetime in Dye-Sensitized Solar Cells: Theory and Interpretation of Measurements
(American Chemical Society, 2009)
The electron lifetime τn in dye-sensitized solar cells (DSC) is a central quantity to determine the recombination dynamics in the solar cell. It can be measured by several methods: impedance spectroscopy, IMVS, stepped ...
Charge carrier mobility and lifetime of organic bulk heterojunctions analyzed by impedance spectroscopy
(Elsevier, 2008)
Charge carrier diffusion and recombination in an absorber blend of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C<sub>61</sub>-butyric acid methyl ester (PCBM) with indium tin oxide (ITO) and aluminium contacts have been ...
Influence of the anion on diffusivity and mobility of ionic liquids composite polybenzimidazol membranes
(Elsevier, 2020-07-04)
The study of proton conductivity processes has received increasing attention in the past decades due to their potential applications in fields such as electrochemical devices and fuel cells. Despite the high number of ...
Electron Transport in Dye-Sensitized Solar Cells Based on ZnO Nanotubes: Evidence for Highly Efficient Charge Collection and Exceptionally Rapid Dynamics
(American Chemical Society, 2009)
Dye-sensitized solar cells based on ordered arrays of polycrystalline ZnO nanotubes, 64 μm in length, are shown to exhibit efficient electron collection over the entire photoanode array length. Electrochemical impedance ...
Oxygen transport through methacrylate-based hydrogels with potential biological capability
(Elsevier, 1996)
The permeability to oxygen of hydrogels prepared from copolymers of 2-hydroxymethyl methacrylate and p-methacryloxyl-oxyacetanilide have been studied by using an oxygen electrode in combination with a permeometer. The ...
On the methods of calculation of the charge collection efficiency of dye sensitized solar cells
(Royal Society of Chemistry, 2013)
The charge collection efficiency is one of the most critical parameters of photovoltaic devices. In this paper we provide the analysis and comparison between several approaches for the calculation of the collection efficiency ...