TAILIEUCHUNG - Báo cáo ' A review on the visible light active titanium dioxide photocatalysts for environmental applications "

Fujishima and Honda (1972) demonstrated the potential of titanium dioxide (TiO2) semiconductor materials to split water into hydrogen and oxygen in a photo-electrochemical cell. Their work triggered the development of semiconductor photocatalysis for a wide range of environmental and energy applications. One of the most significant scientific and commercial advances to date has been the development of visible light active (VLA) TiO2 photocatalytic materials. In this review, a background on TiO2 structure, properties and electronic properties in photocatalysis is presented. The development of different strategies to modify TiO2 for the utilization of visible light, including non metal and/or metal doping, dye sensitization and coupling semiconductors are discussed | Applied Catalysis B Environmental 125 2012 331-349 Contents lists available at SciVerse ScienceDirect Applied Catalysis B Environmental journal homepage locate apcatb Review A review on the visible light active titanium dioxide photocatalysts for environmental applications Miguel Pelaez3 Nicholas T. Nolanb Suresh C. Pillaib Michael K. Seeryc Polycarpos Falarasd Athanassios G. Kontosd Patrick . Dunlope Jeremy . Hamiltone Byrnee Kevin O Sheaf Mohammad H. Entezarig Dionysios D. Dionysioua a Environmental Engineering and Science Program School of Energy Environmental Biological and Medical Engineering University of Cincinnati Cincinnati OH 45221-0012 USA b Center for Research in Engineering Surface Technology CREST FOCAS Institute Dublin Institute of Technology Kevin St Dublin 8 Ireland c School of Chemical and Pharmaceutical Sciences Dublin Institute of Technology Kevin St. Dublin 8 Ireland d Institute of Physical Chemistry NCSR Demokritos 15310 Aghia Paraskevi Attiki Greece e Nanotechnology and Integrated BioEngineering Centre School of Engineering University of Ulster Northern Ireland BT37 0QB United Kingdom f Department of Chemistry and Biochemistry Florida International University University Park Miami FL 3319 USA g Department of Chemistry Ferdowsi University of Mashhad Mashhad 91775 Iran ARTICLE INFO ABSTRACT Article history Received 28 March 2012 Received in revised form 21 May 2012 Accepted 25 May 2012 Available online 5 June 2012 Keywords TiO2 Visible Solar Water Treatment Air purification Disinfection Non-metal doping Anatase Rutile N-T1O2 Metal doping Environmental application Reactive oxygen species Photocatalysis Photocatalytic EDCs Cyanotoxins Emerging pollutants Fujishima and Honda 1972 demonstrated the potential of titanium dioxide TiO2 semiconductor materials to split water into hydrogen and oxygen in a photo-electrochemical cell. Their work triggered the development of semiconductor photocatalysis for a wide range of .

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