نتایج جستجو برای: electrochemical deposition
تعداد نتایج: 141438 فیلتر نتایج به سال:
As conventional fabrication techniques reach their limits novel techniques are needed for fabrication of structures in the nanometer range. This thesis investigates new methods to create metal nanostructures or nanoparticles with an STM tip or a sharp metal tool working inside an electrolyte. Electrochemical synthesis has the advantage that since deposition/etching are controlled by electrode p...
The corrosion of CoCrMo, an alloy frequently used in orthopedic implants, was studied with an electrochemical quartz crystal microbalance (QCM) in three physiologically relevant solutions. Mass changes were measured during potentiodynamic tests, showing material deposition in protein solutions at potential levels that caused mass loss when the proteins were not present. X-ray photoelectron spec...
Well-ordered 3D mesoporous indium tin oxide (ITO) films obtained by a templated sol-gel route are discussed as conductive porous current collectors. This paper explores the use of such films modified by electrochemical deposition of zinc oxide (ZnO) on the pore walls to improve the electron transport in dye-sensitized solar cells (DSSCs). Mesoporous ITO film were dip-coated with pore sizes of 2...
The electrochemical deposition of copper is studied in polyaniline (PAN) layers with different redox states before the onset of metal deposition. Three characteristic oxidising peaks are found during dissolution of the copper deposit. Their charge contributions depend markedly on both thickness and the redox state of the polymer layers. The combined electrochemical, SEM and XPS studies allow to...
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