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Sol Gel Method for the synthesis of SiO2 nanoparticles

See full course: https://nanoisfuture.com/ Join nanotechnology discussion group in telegram: https://t.me/Nanotechnology_chat Please subscribe to this YouTube channel:    / @nanotechnology_nanoscience   Facebook:   / nanotechnology-374370810007770   ______________________________________________ How the SiO2 nanoparticles are synthesized by the sol-gel method This video shows how the SiO2 nanoparticles were synthesized by the sol-gel method, at first 2 ml of TEOS is added to 5 ml of EtOH and stirred for 30 minutes, then another solution including HNO3(purchased from Merck and 65 wt.%) and EtOH is added dropwise to the first solution and stirred for 2 hours at 60°C. The obtained opaque solution is heated in an oven at 100°C for 24 hours until the solvents are evaporated, then it was calcinated in a furnace at 600°C for 4 hours and finally, the SiO2 nanoparticles are obtained. For more information about the synthesis method please refer to the following articles https://doi.org/10.1016/j.surfcoat.20... https://doi.org/10.1088/2053-1591/aad2b8 https://doi.org/10.1088/2053-1591/aaa2bb If you have any question please comment bellow ================================================================== #solgel #synthesis #nanoparticles