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252                                Multifunctional Photocatalytic Materials for Energy































































                                                                Fig. 11.8  Relationship between band structure of semiconductor and redox potentials of water splitting (A) [146]. Schematic diagram  for photocatalytic (B) and photoelectrocatalytic (C) water splitting on TiO 2  [147]. Elements and their roles in semiconductor-based  photocataly
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