... for air purificaiton, sterilization, deodorization and disinfection. What Is A Photocatalyst?Photo-Catalysis is defined as ... the production and use of the hydroxyl radical. What Are Potential Nanophotocatalysis Applications?* Self CleaningFor exterior self-cleaning ... , concrete, wood, marble, granite, metal, paint, panels* DeodorizationFor pet odour controlFor garbage odour treatmentFor tobacco smoke ...