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TiO 2 with “Fluorine‐Occupied” Surface Oxygen Vacancies and Its Stably Enhanced Photocatalytic Performance
Author(s) -
Xu Liming,
Ming Lufei,
Chen Feng
Publication year - 2015
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201500259
Subject(s) - fluorine , photocatalysis , photodegradation , lability , photocurrent , materials science , oxygen , vacancy defect , photochemistry , catalysis , chemical physics , inorganic chemistry , chemistry , crystallography , optoelectronics , organic chemistry , metallurgy
Oxygen vacancies have a positive effect on the photocatalytic performance of TiO 2 , but their benefits are deeply limited owing to their inherent lability. To avoid this disadvantage, fluorine atoms were used to “occupy” the surface oxygen vacancies (O vacancies) of TiO 2 . The “fluorine‐occupied” surface O vacancies maintain the intrinsic nature of the O vacancies, but they are stable under ambient and photocatalytic conditions. TiO 2 with “fluorine‐occupied” surface O vacancies give enhanced performance in terms of both photodegradation and photocurrent conversion. The “occupied” strategy used herein holds promise to be a common method for developing O vacancy‐related photocatalysts.