Macroporous Silicon
Nanocoatings on 2D Macroporous Silicon Structures
... tals were deposited onto the surface of macropores, and the sample was kept un- til complete evaporation of the solvent. The sample obtained was washed with distilled water to remove external salts. CdTe nanocrystals 20 ...
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Macroporous silicon for high capacitance devices using metal electrodes
... Using macroporous silicon opens up the pos- sibility to use either ordered or random pore ...porous silicon is the clustering effect of pore growth, creating areas with varying porosity which creates ...
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Metal electrode integration on macroporous silicon: pore distribution and morphology
... Metal interdigitated electrodes were patterned on the surface of p-type silicon substrates (10 to 20 · cm, (100) orientation) using standard lift-off. The electrodes con- sist of 1400-μm long Au ribbons (100-nm ...
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Current voltage characteristics in macroporous silicon/SiOx/SnO2:F heterojunctions
... Macroporous silicon was prepared by the electrochemical anodization of a silicon wafer to produce pore sizes ranging between 0.9 to 1.2 μm in diameter. Scanning electronic microscopy was performed to ...
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Macroporous Silicon Formation on Low-resistivity p-type c-Si Substrate by Metal-catalyzed Electrochemical Etching
... Hole carrier (h + ) is necessary for the silicon dissolution. The hole concentration on the c-Si surface determines the etching rate. However, in order to obtain macroporous silicon, there must be a ...
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Polymer-Multiwall Carbon Nanotube Nanocoatings On Macroporous Silicon Matrix
... of macroporous silicon became a promising material for development of 2D photonic structures with required geometry and large effective surface ...of macroporous silicon structures ...
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Fabrication Technology of Heterojunctions in the Lattice of a 2D Photonic Crystal Based on Macroporous Silicon
... Thus, a technology was suggested for fabrication of a microcavity structure based on a 2D photonic crystal with a double heterojunction. Implementation of the designrelated and technological solutions was dem onstrated ...
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Influence of Anodization Current Density on Preparation and Corrosion of n-Type Macroporous Silicon in 1.0 M NaOH
... According to weight loss measurements, the corrosion rate of n-type macroporous silicon in 1.0 M NaOH at different temperatures could be obtained by Eq. (4). The relationships between mass change (△m/S) and ...
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Analysis methods for meso and macroporous silicon etching baths
... Porous silicon (PSi) is a promising candidate for the pro- duction of thin silicon solar cells in photovoltaic indus- ...of macroporous silicon, which is used as an absorber for thin ...
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Photoconductivity Relaxation Time in Macroporous Silicon
... Macroporous silicon is used in microelectronics, optics and optoelectronics due to its simplicity of manufacture, structural and physical properties, and the possibility of integration into ...of ...
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A Comprehensive Investigation on Photocatalytic Properties of Macroporous Silicon
... the macroporous silicon (macro-pSi) was successfully prepared by electrochemical anodization silicon wafers in the etching solution of 1:1 ...
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Collagen and fibronectin surface modification of nanoporous anodic alumina and macroporous silicon for endothelial cell cultures
... The extent of cytotoxicity in each experimental condition was determined by a colorimetric assay that measures lac- tate dehydrogenase (LDH) activity (The LDH Cytotoxicity Detection Kit; Roche Applied Science, Germany). ...
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Tunable microcavity based on macroporous silicon: feasibility of fabrication
... in silicon was used to fabricate a two-dimensional, photonic crystal slab ...of silicon was ...macro-porous silicon should not have more than three periods on each side of a ...
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Effects of macro versus nanoporous silicon substrates on human aortic endothelial cell behavior
... > silicon wafers with a resistivity of ...nanoporous silicon (NanPSi). Silicon wafers with a resistivity of 10 to 20 Ω cm were used for macroporous silicon ...nanoporous ...
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Amidolysis of phenylalanine p nitroanilide using TSA imprinted macromatric polymer catalysts: Effect of porogen on catalytic efficiency
... The macroporous polymer prepared in DMSO exhibited higher imprinting efficiency, enantioselectivity, and substrate shape specificity in amidolytic reactions compared to the less porous polymer catalyst prepared in ...
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Electrodeposition and characteristics of highly ordered macroporous β PbO2 electrodes
... The thickness of the film can be controlled by varying the charge passed for the deposition [30]. The macroporous film produced was good with respect to adhesion to the surface of the gold substrate. The colour of ...
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Advances in the design of macroporous polymer scaffolds for potential applications in dentistry
... Macroporous foams prepared by a gas-foaming technique are commonly used for fabrication of tissue engineering scaffolds due to their potentially high interconnectivity and good mechanical properties. The ...
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Electrodeposition of Macroporous Zn and ZnO Films from Ionic Liquids
... Electrodeposition of macroporous zinc oxide onto templates has been widely researched. However, it is still not easy to obtain qualitatively good films. Most of the work has been performed with nitrate ions as the ...
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Diffusion in Semiconductors by Using Fourier Series Expansion Technique
... The concentration function C(x,t) against the diffusion time t is computed for the diffusion of Indium, Phosphorous, into Silicon (Figure 5, for R = 3.313E-1 , T = 300 K and Figure 6, for R = 3.5E-1 , T = 900 K). ...
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The fabrication and analysis of hard Si3N4 based, dispersed phase composites
... usual silicon carbide grinding pads were not used for any stage of the grinding or polishing operations, but successively finer grades of diamond-containing slurries (oil or water based) were used with a cast iron ...
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