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Ti-O-O coordination bond caused visible light photocatalytic property of layered titanium oxide.

ABSTRACT: The layered titanium oxide is a useful and unique precursor for the facile and rapid preparation of the peroxide layered titanium oxide H1.07Ti1.73O4·nH2O (HTO) crystal with enhanced visible light photoactivity. The H2O2 molecules as peroxide chemicals rapidly enter into the interlayers of HTO crystal, and coordinate with Ti within TiO6 octahedron to form a mass of Ti-O-O coordination bond in the interlayers. The introduction of these Ti-O-O coordination bonds result in lowering the band gap of HTO, and promoting the separation efficiency of the photo induced electron-hole pairs. Meanwhile, the photocatalytic investigation indicates that such peroxide HTO crystal has the enhanced photocatalytic performance for RhB degradation and water splitting to generate oxygen under visible light irradiating.

SUBMITTER: Kong X

PROVIDER: S-EPMC4924090 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Ti-O-O coordination bond caused visible light photocatalytic property of layered titanium oxide.

Kong Xingang X Zeng Chaobin C Wang Xing X Huang Jianfeng J Li Cuiyan C Fei Jie J Li Jiayin J Feng Qi Q

Scientific reports 20160628

The layered titanium oxide is a useful and unique precursor for the facile and rapid preparation of the peroxide layered titanium oxide H1.07Ti1.73O4·nH2O (HTO) crystal with enhanced visible light photoactivity. The H2O2 molecules as peroxide chemicals rapidly enter into the interlayers of HTO crystal, and coordinate with Ti within TiO6 octahedron to form a mass of Ti-O-O coordination bond in the interlayers. The introduction of these Ti-O-O coordination bonds result in lowering the band gap of ...[more]

PMID: 27350285

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