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Nanoparticle synthesis refers to methods for creating nanoparticles. Nanoparticles can be derived from larger molecules, or synthesized by ‘bottom-up’ methods that, for example, nucleate and grow particles from fine molecular distributions in liquid or vapour phase. Synthesis can also include functionalization by conjugation to bioactive molecules.
What are the methods of synthesis of nanoparticles?
There are several methods for creating nanoparticles, including coprecipitation, hydrothermal synthesis, inert gas condensation, ion sputtering scattering, microemulsion, microwave, pulse laser ablation, sol-gel, sonochemical, spark discharge, template synthesis, and biological synthesis.
How nanomaterials are synthesized?
The different methods which are being used to synthesize nanomaterials are chemical vapor deposition method, thermal decomposition, hydrothermal synthesis, solvothermal method, pulsed laser ablation, templating method, combustion method, microwave synthesis, gas phase method, and conventional Sol-Gel method.
Why do we synthesize nanoparticles?
The main advantage of chemical-mediated nanoparticle synthesis is that it allows production of particles with defined size, dimension, composition, and structure that could be widely used in many research areas such as catalysis, data storage, drug delivery, imaging, and sensing.
How are silver nanoparticles synthesized?
The synthesis of cubic silver nanoparticles was achieved by the reduction of silver nitrate using ethylene glycol in the presence of polyvinylpyrrolidone (PVP). In polyol process, ethylene glycol containing hydroxyl groups have functional structure as both solvent and reducing agent.
What is the order of steps in the synthesis of silver nanoparticles?
The most important physical methods for the synthesis of the silver nanoparticles are evaporation-condensation, laser ablation, electrical irradiation, gamma irradiation, and lithography.
How are gold nanoparticles synthesized?
Turkevich et al. developed a synthetic method for creating AuNPs in 1951 by treating hydrogen tetrachloroaurate (HAuCl4) with citric acid in boiling water, where the citrate acts as both reducing and stabilizing agent.
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