Photoelectrochemical properties
Structural, Optical and Photoelectrochemical Properties of Cuprous Oxide Synthesized by Low Temperature Thermal Oxidation
... were also observed indicating surface formation of an extremely layer of CuO probably during the cooling process following either deposition or during the annealing steps. SEM showed a highly nanostructure consisting ...
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Effects of Spin Speed on the Photoelectrochemical Properties of Fe2O3 Thin Films
... Although doping additional element may be an effective way to increase the conversion efficiency, there are rooms for improvement by re-examining process parameters. In this work, we investigate the effects of spin speed ...
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A New Insight in the Physical and Photoelectrochemical Properties of Molybdenum Disulfide Alpha Hematite Nanocomposite Films
... were characterized using X-ray diffraction, SEM, FTIR, Raman spectroscopy, particle analyzer, and UV-vis techniques. The cyclic voltammetry (CV) and im- pedance measurements were utilized to understand the ...
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Electrochemical and Photoelectrochemical Properties of Nano Islands of Zinc and Niobium Oxides Deposited on Aluminum Thin Film by RF Magnetron Reactive Sputtering
... of photoelectrochemical properties, photocurrent generation was firstly measured by using the PEC shown in Figure 2, where a solar simulator (SAN-EI ELECTRIC, XES-40S1, Irradiance: 1000 W/m 2 ) was used as ...
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Band Engineering Small Bandgap p-Type Semiconductors: Investigations of their Optical and Photoelectrochemical Properties.
... eV. Photoelectrochemical measurements were found to produce large cathodic photocurrents under visible-light irradiation that increased with respect to the niobium ...
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n-ZnO/p-Cu2O Heterojunction Electrode: Characterization and Evaluation of Their Photoelectrochemical Properties
... The effect of photogenerated charge carriers separation with high efficiency is the key to the high quantum efficiency of the photoanode and photocathodes electrodes, leading to an improved photoelectrochemical ...
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Structural, Optical, and Photoelectrochemical Properties of Novel Metal Oxide Semiconductors.
... illustrates the pathway followed by a hole in a p-DSSC photoelectrochemical cell. Upon light absorption (step 1), the sensitizer excited state (S*) injects a hole into the valence band of the semiconductor, ...
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Photoelectrochemical Properties of Nanostructured Copper Oxides Formed Sonoelectrochemically
... Results obtained for the jph,st/jph,in ratio from the photocurrent transients measurements for the p - Cu2O phase by ultrasound-assisted anodization of copper substrates.. In this way, i[r] ...
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Effect of WO3 Morphological Structure on its Photoelectrochemical Properties
... chemical properties of the prepared nanomaterials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Transmission electron microscopy (TEM), Brunauer, Emmett, and Teller (BET), ...
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Effects of Platinum Doping on the Photoelectrochemical Properties of Fe2O3 Electrodes
... The flat band potential shifting toward positive is probably due to the electronic structure change with platinum doped in Fe2O3 films.. Values of band gaps and flat band potentials of t[r] ...
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Synthesis and Photoelectrochemical Properties of Cu(I)-Containing Semiconducting Oxides.
... Polycrystalline films were prepared on TEK-15 fluorine-doped tin oxide (FTO) slides. After sonication of the FTO slides in deionized water, ethanol and acetone were used for 30 minutes each and the films dried in air at ...
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Effect of Anodization Parameters on the Surface Morphology and Photoelectrochemical Properties of TiO2 Nanotubes
... varying morphological characteristics and photoelectrochemical performance can be obtained by anodization under different conditions [7-10]. Formation of well-defined nanotube structures depends on a number of ...
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Structural and Optical Properties of Nickel Sulfoselenide (NiSSe) Thin Film for Photoelectrochemical Applications
... for photoelectrochemical application, the combination of nickel with two chalcogenide elements; S and Se are rarely found due to the nature of selenium and ...optical properties of the films are ...in ...
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Photoelectrochemical Studies at CdS/PTTh Nanoparticles Interfaces
... The interest in the hybrid Inorganic/Organic interfaces or (IOI) was driven by the search for improving the solar energy conversion efficiencies in photovoltaic assemblies. The hetero-junction at the IOI assembly can ...
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Progress in the Photoelectrochemical Biosensors for the Detection of MicroRNAs: A Review
... Schematic illustration of A PEC platform for MiRNA assay; B principle of Metal-catalystfree click chemical signal amplification via hybridization chain reaction The blue box presents the[r] ...
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Photoelectrochemical Water Splitting Using Metal Oxides
... The electrodes in PEC water splitting cell are made of semiconductor materials. Semiconductor materials have a band gap between conduction and valence bands, hence provide a possibility to separate electron hole pairs to ...
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ZnO@CdS Core Shell Heterostructures: Fabrication, Enhanced Photocatalytic, and Photoelectrochemical Performance
... the previous reports, the photodegradation rate is obvi- ously improved. The experimental results indicated that the addition of CdS layer on ZnO nanorods could facili- tate charge transfer thus significantly improving ...
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The Impact of Surface Chemistry on Photoelectrochemical Device Characteristics
... Once the silicon is methylated, it has to be assembled into an electrode for testing in a photoelectrochemical cell. Samples are first cut using a scribe into smaller chips with areas of roughly 0.5 cm 2 . The ...
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Silicon Microwire Arrays for Photoelectrochemical and Photovoltaic Applications
... Simulations of the performance of Si MW array photovoltaics predict that for Si with minority carrier diffusion lengths > 10 µm, wires with diameters of 10 µm should be able to achieve 10% efficiency under AM 1.5G ...
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Photoelectrochemical Degradation of 4-Nitrophenol using CuO- ZnO/exfoliated graphite Nanocomposite Electrode
... outstanding properties which counteract the limitations of most photoactive ...These properties including high surface area and thermal stability, corrosion resistance and low density [13, ...superior ...
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