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Showing 1 to 20 of 29 for “"Electroless Deposition"”.
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Electroless deposition of group eight metals
Electroless plating is the controlled chemical reduction of metals without the use of an applied external potential. The use of electroless plating has a number of advantages over electroplating including the ability to deposit coatings onto complex-shaped objects which can be metallic or …
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Preparation, Characterization and Evaluation of Bimetallic Catalysts Prepared by Electroless Deposition Methods
… and catalyst composition very difficult. Electroless deposition (ED) is one of the preparative methodologies that provides a way to catalytically deposit in a controlled manner, a second metal only on the surface of a pre-existing metallic surface (i.e., not on support). Thus, bimetallic …
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SERS investigations of additive interactions at Cu surfaces for Cu electrodeposition and Cu electroless deposition
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-20 without embargo terms
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Virus-based 3-dimensional nanowire network copper and nickel electrodes
… hydrogels, which were then mineralized using electroless deposition. The mineralized hydrogels were of micron-scale thickness with sub-micron pore sizes. SEM and FIB imagery provided visual confirmation of highly-networked nanowires, and EDX demonstrated purity of the nanowires as over 95% …
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Porous Gallium Nitride Generated by Electroless Etching: Morphology, Optical Properties, and Sensing Applications
… spectroscopy (SERS) substrate by solution-based electroless deposition and vacuum evaporation of Ag and Au. SERS enhancement factors up to 10 8 have been observed for Ag-coated porous GaN, allowing the spectroscopic detection of trace amounts of analytes. The advantages of using porous GaN as a …
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Development of Colloid Displacement Lithography Platforms for Sensor Applications
… were lost from the glass substrate. Further, electroless deposition was found to produce only a small amount of gold on the PDDA surface without colloid nucleation sites being present.</p>
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Studies Directed to the Development of Long Lived Palladium Membranes for Hydrogen Purification
… investigate the variables involved in electroless deposition of palladium and palladium alloy membranes on a known porous stainless steel substrate, and apply the results to a new and novel porous stainless steel substrate. Different oxide pore and surface treatments were studied. The …
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Studies Directed to the Development of Long Lived Palladium Membranes for Hydrogen Purification
… investigate the variables involved in electroless deposition of palladium and palladium alloy membranes on a known porous stainless steel substrate, and apply the results to a new and novel porous stainless steel substrate. Different oxide pore and surface treatments were studied. The …
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Increased Functionality Porous Optical Fiber Structures
… created on/in the solid core fibers using an electroless deposition technique. A chemical vapor deposition system was built in order to attempt the deposition of silicon in on the porous clad fibers. Additionally, conductive poly(3,4-ethylenedioxythiophene)- poly(styrene sulfonate) (PEDOT:PSS) …
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Printing Conductive Paths for Electronic Functional Devices
… to the conventional photolithography and electroless deposition methods due to the complications, time-consuming, size restrictions and high costs that these methods usually experience. Soft lithographic techniques and inkjet printing technology have offered simpler, lower costs and faster …
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The development of nanoporous metal membranes for analytical separartions
… use of semiconductor photocatalysis for the deposition of metal onto insulating surfaces through Photocatalytically Initiated Electroless Deposition (PIED). In PIED, a controllable and spatially selective process has been developed for the photogeneration of robust, conducting metal layers on …
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Novel Ni-based Nanostructures: Synthesis and Application in Sensing and Energy Storage
… nanostructures. Among them, the chemical bath deposition (CBD) is considered the most advantageous one. In fact, CBD involves the simple immersion of substrates into an aqueous solution of Ni(OH)2 precursors which allows to deposit nanostructured Ni-based thin films, named “nanowalls”, with …
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Fabrication of nanostructured surfaces with well-defined chemistry using particle lithography
… using particle lithography combined with vapor deposition to regulate surface chemistry. Colloidal masks produced by particle lithography enable to control and direct the placement of nanoscopic residues of water for hydrosilation. Different geometries of silane nanostructures depend on the …
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Unconventional structured semiconductors and their applications in optoelectronics and photovoltaics
… (GaN) and silicon (Si). A novel Pt-assisted electroless etching technique is used to produce porous GaN (PGaN), which is of particular interest for optoelectronics due to its large direct bandgap (3.4 eV). PGaN is also promising for use as a substrate for epitaxial growth and for chemical and …
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Interfacial Electrochemistry and Surface Characterization: Hydrogen Terminated Silicon, Electrolessly Deposited Palladium & Platinum on Pyrolyzed Photoresist Films and Electrodeposited Copper on Iridium
… conditions. This work also shows that the electroless deposition of palladium and platinum may be accomplished in hydrofluoric acid solutions to attain palladium and platinum nanoparticles on a this film carbon surface for use as an electrode. Catalysis of these substrates is studied using …
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Design of electrode for electrochemical energy storage and conversion devices using multiwall carbon nanotubes
… capacitance in LbLMWNT electrodes using electroless deposition and square wave pulse potential deposition methods. Preliminary results show that we can increase volumetric capacitance of LbLMWNT/ MnO2 and LbL-MWNT/RuO2 composite up to 1000 F/cm3 in aqueous electrolytes. In addition, Pt …
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Hierarchical Semiconductor, Metal and Hybrid Nanostructures and the Study of their Light-matter Interactions
… radial array of silver NWs was achieved by electroless deposition of the metal into the channels of a porous alumina structure grown perpendicularly from the curved surface of a micrometer scale aluminum wire. The functionality of the cloak was demonstrated by partial cloaking in the visible …
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Tantalum- and ruthenium-based diffusion barriers/adhesion promoters for copper/silicon dioxide and copper/low κ integration.
… TaSiO6 films, ~8Å thick, were formed by sputter deposition of Ta onto ultrathin SiO2 substrates at 300 K, followed by annealing to 600 K in 2 torr O2. X-ray photoelectron spectroscopy (XPS) measurements of the films yielded a Si(2p) binding energy at 102.1 eV and Ta(4f7/2) binding energy at 26.2 …
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Electrochemical Thin Film Growth Assisted by Pb Monolayer
… very much dependent on the method used for their deposition. The electrochemical/electroless deposition represents the ambient temperature growth process for many heteroepitaxial metal overlayers while preserving the integrity of their interface. However, in many substrate-overlayer systems the …
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Electroless Atomic Layer Deposition
… surface. This poses an issue when very thin film deposition is required with 2D morphology and full coverage of deposit is desired. In this thesis, we propose a protocol for aqueous solution based thin film deposition where deposit thickness is precisely controlled down to a monolayer. We …
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