graphene quantum dots-semiconducting oxide-carbon nanofiber composite photocatalyst

A graphene quantum dot (GQD)-semiconducting oxide-carbon nanofiber composite photocatalyst of the present invention includes GQD-semiconducting oxide-carbon nanofiber, and thus has excellent visible light catalytic activity. The present invention has a remarkable effect of being utilized for antibacterial activity, sterilization, deodorization, etc. in various industrial sites and daily lives under outdoor sunlight and indoor fluorescent lamps, such as bacterial decomposition, anti-degradable chemical decomposition, antibacterial tiles, air cleaners, lighting equipment, water treatment such as ballast water treatment, and water and sewage treatment, carbon dioxide conversion, etc. 본발명 그래핀양자점-산화물반도체-탄소나노섬유 복합 광촉매는, 그래핀양자점(graphene quantum dots, GQDs)-산화물반도체(semiconducting oxide)-탄소나노섬유(carbon nanofiber를 포함하여 가시광 촉매 활성이 우수한 것으로, 본발명은 야외의 태양광과 실내의 형광등 하에서 항균,살균,탈취 등 박테리아 분해,난분해성 화학물질 분해,항균 타일,공기청정기,조명 기구, 상하수 처리,선박평형수 처리 등의 수처리, 이산화탄소 전환 등 다양한 산업현장과 일상생활에서 활용되는 현저한 효과가 있다.