[PDF] Top 20 Structural and optical properties of n- type porous silicon– effect of etching time
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Structural and optical properties of n- type porous silicon– effect of etching time
... in etching time, which shows that 20 minutes is the optimum etching time for the n-type silicon to prepare ...an etching time of 10 minutes is used, fairly ... See full document
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Controlled morphology and optical properties of n type porous silicon: effect of magnetic field and electrode assisted LEF
... the effect of an increased lateral EF, a late- ral potential of 50 V was also tested across a n-Si sub- strate accompanied by two different MFs (60 and 80 ...(etching time of 3 ...the ... See full document
7
Effect of Preparation Parameters on Physical, Thermal and Optical Properties of n-type Porous Silicon
... of silicon present on the pore ...creating silicon-based optoelectronic switches, displays, and ...the optical properties of PSi have become a very intense area for research ...[4]. ... See full document
10
Enhancement of Structural and Optical Properties of Porous In0.27Ga0.73N Thin Film Synthesized Using Electrochemical Etching Technique
... Figs. 2(A)–2(C) show 3D-AFM images of the as-grown and etched films. Fig. 2(A) shows the as-grown surface, in which ridges formed on the surface. This observation is in agreement with the FESEM results in Fig. 1(A). ... See full document
9
Preparation of Porous Silicon by Electrochemical Etching Methods and its Morphological and Optical Properties
... work, porous silicon was prepared by electrochemical anodic etching with different fabrication parameters (etching time, current density, and solution ...different etching ... See full document
12
Comparison of Silicon Nanocrystals Prepared by Two Fundamentally Different Methods
... compares structural and optical properties of silicon nanocrystals prepared by two fundamentally different methods, namely, electrochemical etching of Si wafers and low-pressure plasma ... See full document
7
Investigation of HF/H2O2 Concentration Effect on Structural and Antireflection Properties of Porous Silicon Prepared by Metal-Assisted Chemical Etching Process for Photovoltaic Applications
... other properties such as band gap broadening, wide absorption spectrum, and optical transmission range (700-1000nm) are useful in solar cell applications ...dry etching method. Etching process ... See full document
7
Electrical and Photoelectrical Properties of Reduced Graphene Oxide—Porous Silicon Nanostructures
... single-crystalline silicon substrates with the typical thicknesses of 400 μm and the crystallographic orienta- tion ...The silicon substrates had electronic type of conductivity (n-Si), with ... See full document
7
Structural and optical properties of nanostructured porous silicon for ethanol gas sensing application
... surface resistance of the PS was recorded using electrometer (Model 6517A, Keithley, Germany) in the presence of 100 ppm of ethanol and is shown in Figure - 4(b). It can be seen that the resistance values of PS gas ... See full document
5
Fabrication and Characteristics of Porous Silicon for Photoconversion
... for porous silicon and AFM confirms the nanometric size and therefore optical properties about nanocrystalline silicon yields a Raman spectrum showing a broadened peak shifted below 520 ... See full document
5
Effect of ZnO Layers on Porous Silicon Properties
... of porous silicon (p-type) has been established by electrochemical etching and deposited by ZnO thin film using a chemical spray pyrolysis ...the structural stability of the PS ... See full document
7
Morphological, compositional, structural, and optical properties of Si nc embedded in SiOx films
... and n-type silicon (100) substrates, the silicon sub- strates with 2,000- to 5,000-Ω cm resistivity in a horizontal hot filament CVD reactor using quartz and porous silicon as ... See full document
10
Optical properties of silicon nanowire arrays formed by metal assisted chemical etching: evidences for light localization effect
... chemical etching in hydrofluoric acid ...This effect is related to an increase of the light-matter interaction time due to the strong scattering of the excitation light in SiNW ...black ... See full document
6
Effect Of Etching Time On Electrical Properties For Porous Silicon By Photo Electrochemical Etching
... The substrate used in this experiment is n-type silicon wafer with orientation of (100). Wafers were cleaned to remove any oxide layer formed on the Si substrate when etched with cleaning solution ... See full document
9
Effect of etching time on morphological, optical, and electronic properties of silicon nanowires
... the etching velocity is similar for 10, 20, and 30 ...the etching process started, the HF solution etches the silicon substrate lead- ing to an increase of the SiNWs ’ ... See full document
6
Effect of Graphene Oxide on the Properties of Porous Silicon
... unique structural features — high surface area, flexibility, super- ior electric and thermal conductivity, and chemical stability [1 – ...and optical prop- erties of graphene expand its applications in ... See full document
7
Structural Characteristics of Porous Silicon
... the silicon wafer was found emitting red luminescence when exposed to ultra violet (UV) ...etched silicon. It is noticed that etching has removed the stress induced atomic layers of silicon at ... See full document
6
Synthesis, Structural and Optical Properties of Zns Nano-Particles
... and Optical properties for optoelectronic ...wide optical band gap, rendering it very attractive material for optical application especially in nanocrystalline ... See full document
6
Enhanced Physical Properties Of Indium Tin Oxide Films Grown on Zinc Oxide-Coated Substrates
... the effect of ZnO buffer layers on the crystallinity of the ITO thin films as a function of the buffer layer thickness and showed that an increase in the ZnO thickness could improve the properties of the ... See full document
9
Investigation on the effect of Mn on structural and optical properties of ZnO nanoparticles
... Fig. 1 shows the UV-Visible spectra for Zinc oxide ,0.5wt% Mn-ZnO. Which shows the absorption peaks at 381.62 nm and 377 nm respectively. The strong absorption band in UV region for Zinc oxide and manganese doped zinc ... See full document
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