On the True Photoreactivity Order of {001}, {010}, and {101} Facets of Anatase TiO<sub>2</sub> Crystals
Jian Pan(Chinese Academy of Sciences), Gang Liu(Chinese Academy of Sciences), Gao Qing Lu(University of Queensland), Hui–Ming Cheng(Chinese Academy of Sciences)
Cited by 1,230
Abstract
Contrary to conventional understanding, clean anatase {001} facets exhibit lower photoreactivity than {101} facets. Furthermore, the {010} facets showed the highest photocatalytic reactivity in generating OH radicals and hydrogen evolution. This behavior was revealed by studies on crystals grown hydrothermally to have a predominance of {001}, {101}, or {010} facets (left to right in picture (a) and (b)–(d), respectively).
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