Results 11 to 20 of about 895,861 (254)

Comparison Between Different Ways in Making Silicon Dioxide Layer on Silicon Wafers

open access: yesMATEC Web of Conferences, 2017
The most important raw material for power device is epitaxial wafers, which is made from heavily doped polishing silicon wafers. In order to prevent dopant doped into silicon while pulling ingots spread into the epitaxial atmosphere and finally into the ...
Sun Chenguang   +4 more
doaj   +3 more sources

Treatment of human astrocytoma U87 cells with silicon dioxide nanoparticles lowers their survival and alters their expression of mitochondrial and cell signaling proteins

open access: yesInternational Journal of Nanomedicine, 2010
James CK Lai1, Gayathri Ananthakrishnan1,2, Sirisha Jandhyam1, Vikas V Dukhande1, Alok Bhushan1, Mugdha Gokhale1, Christopher K Daniels1, Solomon W Leung31Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy and Biomedical Research ...
James CK Lai   +3 more
doaj   +2 more sources

Surface modification of colloidal silicon dioxide with polyantimonic acid

open access: yesChimica Techno Acta
The study demonstrates the possibility of direct surface modification of colloidal silicon dioxide with polyantimonic acid without preliminary treatment or functionalization of the silica surface.
Fedor A. Yaroshenko   +9 more
doaj   +3 more sources

Research on Sapphire Deep Cavity Corrosion and Mask Selection Technology

open access: yesMicromachines, 2021
Aimed at the problem of the small wet etching depth in sapphire microstructure processing technology, a multilayer composite mask layer is proposed. The thickness of the mask layer is studied, combined with the corrosion rate of different materials on ...
Ying-Qi Shang   +2 more
doaj   +1 more source

Modelling of an industrial moving belt chemical vapour deposition reactor forming SiO2 films [PDF]

open access: yes, 2005
In order to improve the efficiency of an industrial atmospheric pressure chemical vapour deposition (APCVD) moving belt reactor depositing silicon dioxide SiO2 films from tetraethoxysilane Si(OC2H5)4 (TEOS) andozone O3, a 2D simulation model based on the
Caussat, Brigitte   +5 more
core   +1 more source

Optofluidic Particle Manipulation Platform with Nanomembrane

open access: yesMicromachines, 2022
We demonstrate a method for fabricating and utilizing an optofluidic particle manipulator on a silicon chip that features a 300 nm thick silicon dioxide membrane as part of a microfluidic channel.
Zachary J. Walker   +9 more
doaj   +1 more source

Sunrise to sunset optimization of thin film antireflective coatings for encapsulated, planar silicon solar cells [PDF]

open access: yes, 2009
We present an approach for the optimization of thin film antireflective coatings for encapsulated planar silicon solar cells in which the variations in the incident spectra and angle of incidence (AOI) over a typical day are fully considered.
Boden, S.A.   +3 more
core   +1 more source

High Sensitivity Ultraviolet Light Off-Stoichiometric Silicon Oxide-Based Sensors

open access: yesProceedings, 2017
We have developed a UV silicon detector made of silicon and off-stoichiometric silicon dioxide that shows high efficiency and is completely compatible with silicon devices technology.
Jesús Carrillo   +3 more
doaj   +1 more source

Microorganism adhesion using silicon dioxide: An experimental study

open access: yesHeliyon, 2020
In this study, spectrophotometry was used to measure changes in the absorbance properties of yeast, Gram-positive, and Gram-negative bacteria after their attachment to silicon dioxide microparticles (silica).
Roberts Lozins   +2 more
doaj   +1 more source

Communication: Photoinduced Carbon Dioxide Binding with Surface-Functionalized Silicon Quantum Dots [PDF]

open access: yes, 2018
Nowadays, the search of efficient methods able to reduce the high atmospheric carbon dioxide concentration has turned into a very dynamic research area.
Cristián Gabriel, Sánchez   +2 more
core   +2 more sources

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