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Showing 1 to 20 of 22 for “"Conductive oxide"”.
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Hydrogen in transition metal doped transparent conductive oxide SnO₂
… the behavior of hydrogen defects in doped-tin oxides. The calculated results indicate that Mo-, W-, Nb-, F-doped SnO2 are the best doped-tin oxides at reducing hydrogen solubility in their matrices. We expect these oxides also to be the best for removing hydrogen via proton reduction and …
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Copper Electrodeposition on Iridium, Ruthenium and Its Conductive Oxide Substrate
… the polycrystalline iridium, ruthenium and its conductive oxide. The electrochemical methods cyclic voltammetry (CV) and chronocoulometry were used to study the under potential deposition. The electrochemical methods to oxidize the ruthenium metal are presented, and the electrochemical …
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Fabrication and photonics properties of III-V semiconductor nanowire structures
… of contact electrodes, such as indium tin oxide (ITO), silver, and copper, on semiconductor nanowire solar cell devices with different bandgaps were also investigated with a focus on optical absorption. Although traditional conductive oxide materials, such as indium tin oxide (ITO) and …
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Interfacial Study of Copper Electrodeposition with the Electrochemical Quartz Crystal Microbalance (EQCM)
… the EQCM and piezo-electrodes are discussed. A conductive oxide, ruthenium oxide (RuO2) is a promising material to be used as a diffusion barrier for metal interconnects. Characterization of copper underpotential deposition (UPD) on ruthenium and RuO2 electrodes by means of electrochemical …
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Directed Synthesis and Doping of Wide Bandgap Semiconducting Oxide Nanocrystals
Wide bandgap semiconducting oxide nanocrystals are a useful class of materials with high stability and numerous useful properties. In the field of catalysis, high surface area oxides are commonly used as catalytic supports and have been found to be photocatalytically active for the production of …
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Monolayer terpyridyl metal complexes for high-efficiency electrochromic materials
… industry is limited to mainly inorganic metal oxides, conjugated conducting polymers, and liquid crystal-based materials. Hybrid metal-organic materials belong to a relatively new class of ECMs that offer exciting properties of extended stability, great color variability and the highest …
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Poly-Si films on ZnO:Al coated glass prepared by the aliminium-induced layer exchange process
… (poly-Si) auf mit transparenten, leitfähigen Oxiden (TCO – transparent conductive oxide) beschichteten Glassubstraten eröffnet neue Möglichkeiten für die Entwicklung von Solarzellen. Diese Arbeit behandelt das Wachstum von poly-Si mit großen Kristalliten auf Al-dotiertem ZnO (ZnO:Al). Als …
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Novel Integration Strategies with Photovoltaics Using Different Compound Parabolic Concentrator Geometries: Optical, Thermal, and Scalable Investigations
… starting with the ITO as the transparent conductive oxide, a first step towards concentrator-integrated device manufacturing without intermediary adhesives. To complement experimental results, COMSOL Multiphysics simulations were employed with heat transfer in solids. This model analysed …
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Interfacial Properties of Graphene for (Opto)Electronic Devices
… limitations of the current complementary metal-oxide-semiconductor (CMOS) FETs such as the short channel effect make it challenging to reduce the channel lengths further below 10 nm. The family of layered materials, which includes conductors, semiconductors, and insulators, has the potential to …
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Residual stresses and mechanical properties of thin film photovoltaic materials
… silicon (Si) p-n junction diode, a zinc oxide (ZnO) Transparent Conductive Oxide (TCO) layer (each 1μm thick), a Kapton® polyimide layer acting as the bottom cathode and a thick aluminum substrate. Analysis of straight blister delaminations in the p-n junction layer and telephone cord …
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Hybrid Organic/Inorganic Flexible Structures: Low Temperature Deposition of Silver Conductive Tracks on Flexible Substrates
The ability to atmospherically deposit conductive patterns on flexible polymeric substrates has recently gained considerable interest as an alternative to vacuum processes. This is because it can potentially lead to highly efficient and reliable transparent electrode components that can be used in …
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Imaging as characterization techniques for thin-film cadmium telluride photovoltaics
… which include inhomogeneities in the transparent-conductive oxide (TCO) front contact, CdS window layer, and CdTe absorber layer. EL signatures include large gradients, local reduction of luminescence, and local increases in luminescence on the interior of the device as well as bright spots …
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CdTe Solar Cells: Key Layers and Electrical Effects
… Annealing of the CdS/TCO (transparent conductive oxide) bilayer in both oxidising and reducing ambients was investigated in order to study changes in the electrical properties of the In/CdS/TCO structure. It was found that post-growth oxidising changed the current–voltage (J-V) …
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Sputtered tin oxide and titanium oxide thin films as alternative transparent conductive oxides
Alternative transparent conductive oxides to tin doped indium oxide have been investigated. In this work, antimony doped tin oxide and niobium doped titanium oxide have been studied with the aim to prepare transparent and conductive films. Antimony doped tin oxide and niobium doped titanium oxide …
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Photo-electrical conversion efficiency of dye sensitized solar cells prepared from Mopane leaf chlorophyll extract
… performance by using natural dye. A transparent conductive oxide (TCO) film of Fluorine - doped Tin Oxide (FTO) was used as an anode. In this research, chlorophyll extracted from Colophospermum Mopane leaves using methanol was employed as the dye for TiO2-based DSSC. TiO2 precursor solution …
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Solar Cells with Passivating Contacts − Investigation of Their Temperature- and Illumination-Dependent Performance and Surface Passivation
… cells using passivating contacts such as tunnel oxide passivated contact (TOPCon), Si heterojunction (SHJ), and transition metal oxide (TMO)-integrated solar cells is investigated. Temperature coefficients (TCs) of the electrical properties of these solar cells are extracted and compared to those …
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Development of ternary oxides for use in advanced front contacts in cadmium telluride solar cells by magnetron sputtering
… (Cd2SnO4; CTO), a high-performance transparent conductive oxide (TCO). CTO, though used less frequently than on-line deposited fluorine-doped tin oxide, exhibits high transmission (>90%) and low resistivity (<4×10–4 Ω-cm) that are generally superior. Here, an attempt is made to demonstrate that …
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Plasmon supported defect absorption in amorphous silicon thin film solar cells and devices
… 5.11). No direct contact to the TCO (transparent conductive oxide) is necessary to provide carriers for charge compensation. The applied devices are a demonstration of the impurity photovoltaic (IPV) effect in a-Si:H. The defect states contributing to the observed transitions are broadly …
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Film sottili di In2O3 drogati con metalli di transizione come TCO per applicazioni nel fotovoltaico
… ai più ampiamente utilizzati transparent conductive oxides (TCOs). Sebbene questi raggiungano elevate performances in termini di trasparenza e conduttività, risultano ancora costosi e tossici, come quelli basati sull’ossido di indio, di cui l’ossido di indio drogato con stagno (ITO) …
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Design and Optimization of Advanced Layers for Enhanced Performance in Silicon-Based Solar Cells [Progettazione e Ottimizzazione di Layer Innovativi per Migliorare le Prestazioni delle Celle Solari a Base di Silicio]
La crescente domanda globale di energia, insieme all'urgenza di mitigare il cambiamento climatico, sottolinea l'importanza di adottare le energie rinnovabili come alternativa sostenibile ai combustibili fossili. Tra queste, l'energia solare, in particolare grazie ai progressi nell'industria …
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