Defective TiO<sub>2</sub> with oxygen vacancy and nanocluster modification for efficient visible light environment remediation

Defective TiO₂ with oxygen vacancy and nanocluster modification for efficient visible light environment remediation

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文摘

•: Defective TiO₂ with oxygen vacancy was prepared by controlling the reduction temperature and time.
•: Optimum oxygen vacancy in TiO₂ enhanced the photocatalytic activity but did not enhance the visible light absorption.
•: Large amount of oxygen vacancies in TiO₂ sharply decreased the photocatalytic activity.
•: Defective TiO₂ with oxygen vacancy and Cu(II) nanoclusters grafting exhibited much enhanced visible light photocatalytic activity.