Synthesis of Large Surface Area Mesoporous Silica Nanoparticles from (NH4)2SiF6-NH4F Solution Produced from Coal Fly Ash

Key Points

• High surface area mesoporous silica nanoparticles were successfully synthesized from coal fly ash.
• A novel method using (NH4)2SiF6 and NH4F solutions yielded nanoparticles with significant structural properties.
• The approach highlights the feasibility of utilizing waste materials for materials science applications.
• Resource recycling in silica nanoparticle production could reduce environmental impact and enhance sustainability.