Have you ever wondered how some modern skyscrapers keep their glass so clear? "Self-cleaning" glass is coated with a thin layer of TiO2. It uses sunlight to break down dirt and organic grime, which is then easily washed away by rain. 3. Hydrogen Production (Water Splitting)
When light hits the catalyst, electrons gain enough energy to jump from the "valence band" to the "conduction band." Photocatalysis: principles and applications
Perhaps the "Holy Grail" of energy research is using photocatalysis to split water molecules into hydrogen and oxygen. This provides a completely carbon-neutral way to produce hydrogen fuel, effectively "storing" solar energy in chemical form. 4. Antimicrobial Coatings Have you ever wondered how some modern skyscrapers
Because the process creates reactive oxygen species, it is incredibly effective at killing bacteria, viruses, and fungi. You’ll find these coatings in hospitals and food processing plants to maintain sterile environments. The Road Ahead The Road Ahead