New Insights into the Mechanism of Visible Light Photocatalysis

Swagata Banerjee, Suresh C. Pillai, Polycarpos Falaras, Kevin E. O’Shea, John Byrne, Dionysios D. Dionysiou

Research output: Contribution to journalArticlepeer-review

596 Citations (Scopus)


In recent years, the area of developing visible-light-active photocatalysts based on titanium dioxide has been enormously investigated due to its wide range of applications in energy and environment related fields. Various strategies have been designed to efficiently utilize the solar radiation and to enhance the efficiency of photocatalytic processes. Building on the fundamental strategies to improve the visible light activity of TiO2-based photocatalysts, this Perspective aims to give an insight into many contemporary developments in the field of visible-light-active photocatalysis. Various examples of advanced TiO2 composites have been discussed in relation to their visible light induced photoconversion efficiency, dynamics of electron-hole separation, and decomposition of organic and inorganic pollutants, which suggest the critical need for further development of these types of materials for energy conversion and environmental remediation purposes.
Original languageEnglish
Pages (from-to)2543-2554
Number of pages12
JournalJournal of Physical Chemistry Letters
Issue number15
Early online date18 Jul 2014
Publication statusPublished (in print/issue) - 7 Aug 2014


  • photocatalysis
  • visible light active


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