Silicon dioxide(SiO2)NPshave outstanding biocompatibility, low toxicity, thermal stability, crystallinity, porosity, chemical inertness, optical transparency,etc.[171,172]. These properties enable SiO2NPs for numerous applications in biological field such as drug loading, drug/gene/protein delivery, good ...
Silicon dioxide have a very less electronegativity as we move across a period and hence it is unable to form an ionic compound instead it forms a covalent solid compound which has a very strong silicon-oxygen covalent bonds that needs to be broken so it requires a ...
the conjugated polymers are bonded through a covalent bond and crosslinked to the surfaces of the silicon dioxide nanoparticles to form the fluorescent molecular imprinting silicon dioxide nanometer microspheres; the fluorescent molecular imprinting silicon dioxide nanometer microspheres are evenly fixed to the...
The main reasons for this are twofold: (1) silicon devices exhibit much lower leakage currents, and (2) silicon dioxide (SiO2), which is a high-quality insulator, is easy to incorporate as part of a silicon-based device. Thus, silicon technology has become very advanced and pervasive, ...
a-Si layers as thin as 3 nm, sandwiched between barrier layers of silicon dioxide, were crystallized with a combination of rapid thermal processing and ... CC Striemer 被引量: 6发表: 2004年 DCC-assisted direct esterification of phosphinic and phosphoric acids with O-nucleophiles A novel and ...
The crystal structure of silicon also has a significant impact on its ability to form high-quality insulating oxide layers. When silicon is exposed to oxygen at high temperatures, it forms a thin layer of silicon dioxide (SiO2) on its surface. This oxide layer acts as an excellent insulator,...
(SiO)-, silicon dioxide (SiO2), non-stoichiometric SiOxand silicon oxycarbide (Si–O–C)-based anode materials. The O content affects the specific capacity, cycle life and voltage hysteresis (voltage hysteresis refers to the voltage difference between the charge and discharge profiles)25. For ...
et al. Microchip-based immunoassays with application of silicon dioxide nanoparticle film. Anal Bioanal Chem 403, 2449–2457 (2012). https://doi.org/10.1007/s00216-012-5952-4 Download citation Received30 November 2011 Revised29 February 2012 Accepted14 March 2012 Published24 April 2012 Issue Date...
Silicon, silicon dioxide, and silicon nitride are transparent in the 1300 and 1550 nm bands for standard communica- tions and different material combinations can form high refractive index contrast to realize effective confinement of the optical mode field. This gives silicon-based optical waveguides ...
which is also known as silica is found in many crystallographic forms. some of the crystalline forms of silica are quartz, cristobalite, tridymite and these are also interconvertible when applied suitable temperature. silicon dioxide is covalent in nature and is attached to four oxygen atoms ...