Results 31 to 40 of about 41,759 (263)
FORMATION OF POROUS SILICON ON A HIGHLY DOPED P-TYPE MONOCRYSTALLINE SILICON
Porous silicon layers were formed on a p-type silicon wafers by electrochemical anodisation. Dependencies of thickness and porosity of porous silicon layers as well as effective valence of silicon dissolution versus anodizing time and current density ...
A. D. Hurbo +2 more
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Study of the Influence of Incorporation of Gold Nanoparticles on the Modified Porous Silicon Sensor for Petroleum Gas Detection [PDF]
In this work, the influence of alloying the porous surface with uniform distributed gold nanoparticles on the characteristic porous silicon gas sensors for petroleum gas detection has been fabricated and studied extensively.
A.M. Alwan, A.B. Dheyab, A.J. Allaa
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Effect on Rapid Thermal Oxidation process on Electrical Properties of Porous Silicon [PDF]
In this work, the porous silicon was prepared by using stain etching in HF-HNO3 atdifferent etching times. Then Rapid Thermal Oxidation (RTO) processes were used forsurface treatment at different temperature and oxidation time to enhancement ...
Khawla S. Khashan +2 more
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Porosity-dependent fractal nature of the porous silicon surface
Porous silicon films with porosity ranging from 42% to 77% were fabricated by electrochemical anodization under different current density. We used atomic force microscopy and dynamic scaling theory for deriving the surface roughness profile and ...
N. Rahmani, R. S. Dariani
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Optical Properties of Monocrystalline Silicon Nanowires
The paper presents the results of a study of the optical reflection and transmission spectra of a silicon single crystal p-Si (100) with silicon nanowires grown on both sides and porous silicon p-Si (100) on a single crystal substrate in the spectral ...
P.O. Gentsar +3 more
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Surface Area of Porous Silicon [PDF]
The surface area of porous silicon layers produced by different methods hasbeen measured in this work. It is found that the surface area of the porous siliconis optimum when high laser power density is used to etch n –type silicon wafer viathe laser ...
Mayasa AbdulWahid Shanon +2 more
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Sensors composed of a porous silicon monolayer covered with a film of nanostructured gold layer, which provide two optical signal transduction methods, are fabricated and thoroughly characterized concerning their sensing performance.
Ruth Fabiola Balderas-Valadez +2 more
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Formation of SiC by Vacuum Carbidization on Porous Silicon
Planar-view TEM investigation revealed the formation of cubic silicon carbide layers on porous silicon by vacuum carbidization. The formation of cubic silicon layers in the form of a two-phase system was found.
M. V. Labanok +4 more
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Photonic Crystal Sensors Based on Porous Silicon
Porous silicon has been established as an excellent sensing platform for the optical detection of hazardous chemicals and biomolecular interactions such as DNA hybridization, antigen/antibody binding, and enzymatic reactions. Its porous nature provides a
Claudia Pacholski
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Multicrystalline Silicon Passivation by Hydrogen and Oxygen- Rich Porous Silicon Layer for Photovoltaic Cells Applications [PDF]
In this work, we demonstrate the beneficial effect of introducing a superficial porous silicon layer on the electronic quality of multi-crystalline silicon for photovoltaic cell application. The porous silicon was formed using an acid vapor etching-based
Aqeel Mohammed Hamoudi +2 more
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