Preparation of Nanostructure Thin Films and their Application to Water Splitting Fast Preparation of Nanostructured Thin Films by Flame Reactor Preparation of Nanostructured Hybrid Thin Films Application for Efficient Water Splitting Preparation of Perovskite Solar Cells with High Efficiency Preparation of TiO2 Nanorods by Hydrothermal Process Preparation of Hybrid Nanostructures for Perovskite Solar Cells Efficient Generation of Electricity by Perovskite Preparation of Composite Concrete with Photocatalyst and its Application Preparation of Double-Layered Mortar with Photocatalyst Nanoparticles Preparation of Composite Concrete coated with Photocatalyst Nanoparticles Application of Composite Concrete for Control of Air Pollutants Application of Computational Fluid Dynamics to predict COVID-19 Propagation Develop CFD Program to predict Indoor Movements of Saliva Droplets Analysis on Movement of Fine Droplets combined with Fluid Flow Behavior of Cough Droplets from Covid-19 Patient in Hospital Isolation Room Particle Contamination Control in Semiconductor Processing Silane & TEOS PCVD. Theoretical/Experimental Analysis. Aerosol Dynamics of Particle Formation & Growth. Suppression of Particle Formation & Growth. Preparation of TiO2 Particles for Photocatalysts and Its Application for Environmental Pollution Control Flame Reactor for TiO2 Photocatalysts Theoretical/Experimental Analysis.Phenol Removal from Wastewater by TiO2 Photocatalysts Preparation of Effective TiO2 Photocatalysts Aerosol Formation in Nonthermal Plasma Processing for NOx and SOx Removal Particle Formation of Ammonium Nitrates & Sulfates Theoretical/Experimental AnalysisPhotocatalysts Particle Collection from Corona Discharge Processes Preparation and Biomedical Applications of the Plasmonic / Magnetic Nanoparticles Preparation of Au, Ag, FexOy nanopaticles Control particle size, shape Surface modification and biomedical applications