Results 21 to 30 of about 171,999 (278)
An integral feature of porous silicon and its classification
Конденсированные среды и межфазные границы, 2021 Porous silicon is currently one of the most studied materials which is used both in the areas traditional for silicon, such as electronics and optoelectronics, and in completely unconventional ones, such as catalysis, energetics, biology, and medicine ...
Andrey M. Khort +2 more
doaj +1 more source
, 2020 The thermal transport properties of porous silicon and nano-hybrid "porous silicon/water" systems are presented here. The thermal conductivity was evaluated with equilibrium molecular dynamics technique for porous systems made of spherical voids or water-
Isaiev, Mykola +3 more
core +2 more sources
Tikrit Journal of Pure Science, 2019 In This research we study the effect of photo chemical etching and electrochemical etching on topography of porous silicon surfaces, the results showed that photo chemical etching produced roughness silicon layer which can have thickness be less of ...
Amjad Hussein Jassem
doaj +1 more source
Preparation and Characterization of Porous Silicon Prepared by Electrochemical Etching [PDF]
Engineering and Technology Journal, 2014 Porous silicon (PS) layers were formed on p-type silicon (Si) wafers by using electrochemical etching method. The influence of varying etching time in the anodizing solution ,on structural and optical properties of porous silicon has been investigated ...
Adawiya J .Haider +2 more
doaj +1 more source
Photoluminescence Stability of Polymer - Coated Porous Silicon [PDF]
Engineering and Technology Journal, 2005 The photoluminescence stability of the porous silicon produced by laser - induced etching of silicon has been studied . We have employed a method to improve the PL stability of the porous structure .
Bassam Rasheed
doaj +1 more source
FORMATION OF POROUS SILICON ON A HIGHLY DOPED P-TYPE MONOCRYSTALLINE SILICON
Доклады Белорусского государственного университета информатики и радиоэлектроники, 2019 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
doaj +1 more source
Study of the Influence of Incorporation of Gold Nanoparticles on the Modified Porous Silicon Sensor for Petroleum Gas Detection [PDF]
Engineering and Technology Journal, 2017 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
doaj +1 more source
Effect on Rapid Thermal Oxidation process on Electrical Properties of Porous Silicon [PDF]
Engineering and Technology Journal, 2009 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
doaj +1 more source
Reduction of Peroxodisulfate at Porous and Crystalline Silicon Electrodes: An Anomaly\ud [PDF]
, 1996 Electroluminescence from n-type porous silicon can be generated in solution by reduction of peroxodisulfate. It has been assumed that the SO4•- radical ion, formed in the first reduction step, injects a hole into the valence band of the porous ...
Kelly, J.J. +2 more
core +2 more sources
Porosity-dependent fractal nature of the porous silicon surface
AIP Advances, 2015 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
doaj +1 more source