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Showing 1 to 20 of 21 for “"SiOx"”.
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Development of poly-Si/SiOx passivating contacts for advanced Si photovoltaics
… on the rise. One such technology is the poly-Si/SiOx passivating contact, which provides better passivation and enhanced carrier selectivity compared to PERC contacts. Cells based on the poly-Si/SiOx contacting scheme reach efficiencies >25% in two-sided devices, >26% in the interdigitated …
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Feasibility of Ellipsometric Sensor Development for Use During PECVD SiOx Coated Polymer Product Manufacturing
… ceramic films, specifically silicon oxides (SiOX), deposited on polymer products. A preliminary experiment determined linearly polarized light could induce a discernible change in polarized light traversing a coated beverage container relative to an uncoated container. However, the experiment …
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Synthesis of silicon nanocrystal memories by sputter deposition
… untersucht: die thermische Ausheilung von SiO2/SiOx (x < 2) Stapelschichten. Es wurde ein Sputterverfahren entwickelt, das die Abscheidung von SiO2 und SiOx Schichten beliebiger Zusammensetzung erlaubt. Die Bildung der Nanokristalle wurde in Abhängigkeit vom Ausheilregime und der SiOx …
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Studies of the electrical properties and electroforming of thin insulating films
Evaporated thin film sandwich structures of Au-SiOX-Au have been studied. These normally show electroforming effects and subsequently electron emission, electroluminescence, negative resistance and thermal-voltage memory effects. Previous work in the field is critically reviewed. It was shown that …
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METAL NANOMATERIALS: SYNTHESIS, DESIGN, AND APPLICATIONS
… Pd NP on dielectric silica nanospheres (SiOx NSs). The spherical shape of SiOx can cause scattering resonance, thereby enhancing the local electric field on or near the surface to enhance light absorption of Pd NPs, further realizing a more effective catalyze on chemical reactions. We …
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Ανάπτυξη και χαρακτηρισμός προηγμένων υλικών για νανοδιατάξεις
… και μονοστρωματικών άμορφων μονωτικών υμενίων SiOx με ή και χωρίς ενσωματωμένες κβαντικές τελείες Si. Για κάθε σειρά υμενίων από τις κατηγορίες αυτές, έγινε μελέτη των μαγνητικών ή/και των οπτικών τους ιδιοτήτων. Τα υμένια Ni/NiO αναπτύχθηκαν σε διαφορετικά υποστρώματα με τη χρήση μιας μόνο …
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Electroforming and electron emission in metal-borosilicate glass-metal structures
… structures of M-SiO B203 –M (diode) and M-SiOx/B2O3-N-SiOx/B2O3-M (triode) have been studied. Diode and triode systems show electroforming effects and subsequently electron emission, voltage-controlled negative resistance, electroluminescence, and switching phenomena. Previous work in this …
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Infululence of Polymer Nanoparticles on the Dewetting of Polymer Thin Films
… of spun-cast linear polystyrene (PS) films on Si/SiOx surfaces is investigated as a function of temperature, concentration and type of the nanoparticles. The star polymers have polystyrene-benzocyclobutene copolymer arms which can undergo intra-molecular crosslinking to form relatively compact …
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Characterization of catalytically active solid liquid interfaces by scanning electrochemical microscopy (SECM)
… hat. Die isolierenden Eigenschaften von SiOx variierten mit dem Schichtdicken. Der Generator Kollektor Modus (GC) wurde verwendet, um die gegenseitige Beeinflussung von Enzym-Ladung, Stofftransport in der Lösung und innerhalb des enzymmodifizierten Mikropartikel Agglomerats zu …
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Echtzeitanalyse des photoinduzierten Wachstums von Siliziumoxid mittels spektroskopischer Ellipsometrie und FTIR-Spektroskopie
… Silizium (a-Si) und aus einer Suboxidlage (SiOx, x = 0..2) zusammen. Der Aufbau der Oxidstruktur auf den drei verschiedenen Siliziumsubstraten wurde untersucht. Dabei stellte sich heraus, dass die Oxidationsbedingungen wenig Einfluss auf die Oxidstruktur hatten. Vielmehr war der Aufbau des …
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Growth and characterization of FeSi nanowires by chemical vapor deposition for gas sensing applications
… gold on silicon substrates. The reaction yielded SiOx nanowires; these results are discussed in detail in Chapter 5. All the nanostructures were characterized by X-ray diffraction (XRD), Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), Photoluminescence Spectroscopy …
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TEM Study of a RTO Oxide-Interfacial Layer on Epitaxial-Cobalt Silicide (CoSi2) Formation
… a interlayer material such as Ti (TIME) and SiOx (OME). In this project, transmission electron microscopy (TEM) technique has been used study a Ti-capped oxide mediated epitaxy (OME) process, where the oxide interlayer is grown by rapid thermal oxidation (RTO), and the anneal is done by rapid …
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Development and Characterization of Inkjet-Printed Poly-Si Passivating Contacts for Silicon Solar Cells
… of a doped poly_Si layer and an ultra_thin SiOx layer. This structure has driven the efficiency of crystalline silicon (c_Si) solar cells to exceed 26%. Further improvements can be achieved by incorporating localized poly_Si passivating contacts, such as in interdigitated back contact (IBC) …
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Development and Characterization of Inkjet-Printed Poly-Si Passivating Contacts for Silicon Solar Cells
… of a doped poly_Si layer and an ultra_thin SiOx layer. This structure has driven the efficiency of crystalline silicon (c_Si) solar cells to exceed 26%. Further improvements can be achieved by incorporating localized poly_Si passivating contacts, such as in interdigitated back contact (IBC) …
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Feedback active coatings based on mesoporous silica containers
… beladen und dann in die Matrix anorganischer (SiOx/ZrOx) oder organischer (wasserbasiert) Schichten dispergiert. Zwei Sorten von Silika-Behältern mit unterschiedlichen Größen (d ≈ 80 and 700 nm) wurden verwendet. Diese haben eine große spezifische Oberfläche (≈ 1000 m² g-1), eine enge …
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PECVD of silicon and titanium based coatings to enhance the biocompatibility of blood contacting biomedical devices
… on 316L stainless steel substrates. Polymer-like SiOxCyHz, silica-like SiOx, titanium oxide TiO, and silicon-titanium mixed oxide coatings were deposited by plasma decomposition of organic molecules. An extensive study was done on silicon based coatings deposited from hexamethyl disiloxane (HMDSO) …
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Atmospheric pressure plasma chemical deposition by using dielectric barrier discharge system
… monomer source, uniform and dense SiOx (silicon oxide) film was deposited on silicon wafer and polypropylene substrate. A dense, smooth film was deposited on the Si substrate with a direct plasma system rather than a remote plasma system. In terms of chemical composition, the film …
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Designing Planar Silicon Solar Cells for Singlet Fission Sensitization
… by substrate band bending; consequently, SiOx is the preferred passivation to suppress the background and isolate the SPV signals driven by the organics. A drift–diffusion model shows that the diffusion doping (exponential) emitters reduce surface recombination rates compared to ion …
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Liquid crystal photonic devices based on conductive polymers = Dispositivos fotónicos de cristal líquido basados en polímeros conductores
… devices with dissimilar alignment layers (SiOx, slippery surface and PEDOT:PSS) are manufactured. Entire manufacturing protocols are fully exposed. The electro-optical responses and ion transport measurements are compared and analyzed to elucidate which phenomena are responsible of …
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Development and evaluation of anti-biofouling nano-composite coatings
… F-DLC, B-DLC and Ti-DLC coatings as well as new SiOx-like coatings reduced bacterial adhesion by 60-90% compared with pure DLC and stainless steel. B and Ti-doped DLC coatings also reduced residual protein adhesion by 88-95% compared with pure DLC coatings and stainless steel. In general …
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