Preparation of mesoporous nanosphere SiO 2 @TiO 2 composite materials and the photocatalytic degradation performance of different dyes

Key Points

• The aim is to prepare SiO₂@TiO₂ composites and evaluate their effectiveness in degrading various dyes.
• Utilized sol-gel method for synthesis of spherical SiO₂@TiO₂ photocatalysts.
• Investigated parameters including calcination and catalyst dosage.
• Assessed degradation performance against RhB dye and other pollutants.
• Demonstrated effective photocatalytic degradation of RhB dye.
• Found that different calcination parameters significantly influence performance.
• Achieved improved degradation rates with optimized dosage of SiO₂@TiO₂ composites.