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Facile preparation of Ti3+/Ni co-doped TiO2 nanotubes photoanode for efficient photoelectrochemical water splitting
Dong, Zhenbiao; Ding, Dongyan; Li, Ting; Ning, Congqin
2019-06-30
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume480Pages:219
SubtypeArticle
AbstractPhotoelectrochemical (PEC) water splitting using TiO2-based nanostructures is one of the most promising strategies for sustainable energy development. Here we reported Ti3+/Ni co-doped TiO2 nanotubes for high-efficiency PEC water-splitting. The co-doped photoanode was prepared through Zn reduction of Ni-doped TiO2 nanotubes grown on Ti-Ni alloy. Ti3+/Ni co-doping modified the energy band structure and narrowed the band gap to 2.84 eV, which enhanced optical absorption, increased the charge carriers, density and promoted charge separation-transport process. A remarkable solar to hydrogen conversion efficiency of 1.51% was achieved, which was about 10 times that of undoped TiO2. This work will facilitate developing novel co-doping approaches of Ti3+ species and other elements for enhancing PEC activity of undoped TiO2 nanotubes.
KeywordTi-Ni alloy Ni-doped TiO2 nanotubes Zn reduction Ti3+/Ni co-doping PEC water splitting
DOI10.1016/j.apsusc.2019.02.237
Language英语
WOS Research AreaChemistry ; Materials Science ; Physics
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27034
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Dong, Zhenbiao,Ding, Dongyan,Li, Ting,et al. Facile preparation of Ti3+/Ni co-doped TiO2 nanotubes photoanode for efficient photoelectrochemical water splitting[J]. APPLIED SURFACE SCIENCE,2019,480:219.
APA Dong, Zhenbiao,Ding, Dongyan,Li, Ting,&Ning, Congqin.(2019).Facile preparation of Ti3+/Ni co-doped TiO2 nanotubes photoanode for efficient photoelectrochemical water splitting.APPLIED SURFACE SCIENCE,480,219.
MLA Dong, Zhenbiao,et al."Facile preparation of Ti3+/Ni co-doped TiO2 nanotubes photoanode for efficient photoelectrochemical water splitting".APPLIED SURFACE SCIENCE 480(2019):219.
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