assisted chemical etching
Formation mechanism of SiGe nanorod arrays by combining nanosphere lithography and Au assisted chemical etching
... two etching mechan- isms competing for the formation of SiGe nanostruc- tures by Au-assisted chemical ...the etching temperature is low, both the corrosion reaction and Au- assisted ...
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Formation of silicon nanowire packed films from metallurgical grade silicon powder using a two step metal assisted chemical etching method
... metal-assisted chemical etching method to produce films of silicon nanowires shaped in micrograins from metallurgical-grade polycrystalline silicon ...silver-assisted etching process on ...
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Au Capped GaAs Nanopillar Arrays Fabricated by Metal Assisted Chemical Etching
... no chemical dissolution in the area of contact between the Au catalyst and the underlying GaAs substrate was observed in the case of ...The etching pattern is considered to be dependent on the temperature ...
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Fabrication of ordered nanoporous anodic alumina prepatterned by mold assisted chemical etching
... mold-assisted chemical etching initiated from the stamp microfeatures, and excellent uniformity over areas of several square centimeters can be ...wet chemical etching method, is ...
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Sub 100 nm ordered silicon hole arrays by metal assisted chemical etching
... Until now, we have focused on the direct patterning of metal catalysts using a mask without the use of conventional lithographic techniques and reported the fabrication of ordered silicon micro-hole arrays by metal- ...
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Lithography free fabrication of silicon nanowire and nanohole arrays by metal assisted chemical etching
... Silicon nanostructures such as silicon nanowire (SiNW), nanocone, or nanohole (SiNH) arrays have attracted in- tensive attention due to their unique optical, electrical, and thermal properties for promising applications ...
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Metal assisted chemical etching of Ge(100) surfaces in water toward nanoscale patterning
... Ge by the catalytic effect. Note in Figure 5 that an n- type Ge surface is etched deeper than a p-type one in the entire pressing force range when a Pt-coated canti- lever was scanned in SOW. One explanation for this is ...
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Semiconductor Nanofabrication via Metal-Assisted Chemical Etching: Ternary III-V Alloys and Alternative Catalysts
... Metal-assisted chemical etching (MacEtch or MACE) has been heralded as a robust and cost-effective semiconductor fabrication technique that combines many of the advantages of both wet- and ...
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Gold thickness dependent Schottky barrier height for charge transfer in metal assisted chemical etching of silicon
... metal-assisted chemical etching process results in large- area, vertically aligned SiNWs with a uniform diameter along the height ...the etching rate of Si, which might be caused primarily by ...
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The Enhanced Light Absorptance and Device Application of Nanostructured Black Silicon Fabricated by Metal assisted Chemical Etching
... In summary, nanostructured black silicon materials are fabricated by metal-assisted chemical etching, and the nanocone arrays on the silicon surface have diameter and length of 100 nm and 2.5 μm, ...
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Fabrication and Optical Characterization of Silicon Nanostructure Arrays by Laser Interference Lithography and Metal-Assisted Chemical Etching
... metal-assisted chemical etching has been applied to pattern porous silicon regions and silicon nanohole arrays in submicron period simply by using positive photoresist as a mask ...
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Optical properties of silicon nanowire arrays formed by metal assisted chemical etching: evidences for light localization effect
... metal-assisted chemical etching of c-Si in hydro- fluoric acid solutions demonstrate new possibilities for tailoring the physical properties of Si-based nanostruc- ...simple chemical method in ...
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Nanorods on surface of GaN based thin film LEDs deposited by post annealing after photo assisted chemical etching
... wet etching and ...photo-assisted chemical etching and photo-enhanced post-annealing at 100 °C for 1 ...wet etching and post-annealing was over 72% more than that of LEDs that did not ...
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Structure and Electrochemical Properties of Hierarchically Porous Silicon Film Prepared with the Combination of Magnetron Sputtering Deposition and Metal-Assisted Chemical Etching
... A novel hierarchically porous silicon film on Cu foil was fabricated by employing the combination of magnetron sputtering deposition and metal-assisted chemical etching technology. The as-prepared ...
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Catalytic activity of noble metals for metal assisted chemical etching of silicon
... Metal-assisted chemical etching of silicon (Si) has attracted considerable attention as a new electroless method that can produce porous Si by immersing metal-modified Si in a hydrofluoric acid (HF) ...
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Unraveling the Morphological Evolution and Etching Kinetics of Porous Silicon Nanowires During Metal Assisted Chemical Etching
... mechanical properties of such nanostructures, a main driver for their sustained appeal is the development of novel fabrication techniques that allow facile formation of the nanostructures while maintaining excellent ...
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Triangle pore arrays fabricated on Si (111) substrate by sphere lithography combined with metal assisted chemical etching and anisotropic chemical etching
... metal-assisted chemical etching using patterned noble-metal particles as catalysts ...metal-assisted chemical etching proposed by Li and Bohn in 2000 [3] is a very simple and ...
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Optical assessment of silicon nanowire arrays fabricated by metal assisted chemical etching
... We succeeded in measuring the key optical properties of SiNW arrays that were prepared with metal-assisted chemical etching and separated from the substrates by peeling. The absorptance of a SiNW ...
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Fabrication and photocatalytic properties of silicon nanowires by metal assisted chemical etching: effect of H2O2 concentration
... catalytic etching technique with metal particles as catalyst to prepare large-area aligned monocrystalline silicon nanowire arrays on silicon wafers has been reported ...wet chemical corrosion, the process ...
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Antireflective silicon nanostructures with hydrophobicity by metal assisted chemical etching for solar cell applications
... lateral etching is larger than the radius of the nanostructures ...overall etching rate was influenced by the removal of oxidized Si by HF when the oxidant was sufficient for generating oxidized Si ...
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