A novel 3D structure composed of strings of hierarchical TiO{sub 2} spheres formed on TiO{sub 2} nanobelts with high photocatalytic properties

Jiang, Yongjian; Li, Meicheng; Song, Dandan; Li, Xiaodan; Yu, Yue

doi:10.1016/J.JSSC.2013.12.002

Title: A novel 3D structure composed of strings of hierarchical TiO{sub 2} spheres formed on TiO{sub 2} nanobelts with high photocatalytic properties

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Abstract

A novel hierarchical titanium dioxide (TiO{sub 2}) composite nanostructure with strings of anatase TiO{sub 2} hierarchical micro-spheres and rutile nanobelts framework (TiO{sub 2} HSN) is successfully synthesized via a one-step hydrothermal method. Particularly, the strings of hierarchical spheres are assembled by very thin TiO{sub 2} nanosheets, which are composed of highly crystallized anatase nanocrystals. Meanwhile, the HSN has a large surface area of 191 m{sup 2}/g, which is about 3 times larger than Degussa P25. More importantly, the photocatalytic activity of HSN and P25 were evaluated by the photocatalytic oxidation decomposition of methyl orange (MO) under UV light illumination, and the TiO{sub 2} HSN shows enhanced photocatalytic activity compared with Degussa P25, as result of its continuous hierarchical structures, special conductive channel and large specific surface area. With these features, the hierarchical TiO{sub 2} may have more potential applications in the fields of dye-sensitized solar cells and lithium ion batteries. -- Graphical abstract: Novel TiO{sub 2} with anatase micro-spheres and rutile nanobelts is synthesized. Enhanced photocatalysis is attributed to hierarchical structures (3D spheres), conductive channel (1D nanobelts) and large specific surface area (2D nanosheet). Highlights: • The novel TiO{sub 2} nanostructure (HSN) is fabricated for the first time. • HSNmore »« less

Authors:

Jiang, Yongjian ^[1]; Li, Meicheng ^[1]; Song, Dandan; Li, Xiaodan; Yu, Yue ^[1]

State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, School of Renewable Energy, North China Electric Power University, Beijing 102206 (China)

Publication Date:: Sat Mar 15 00:00:00 EDT 2014

OSTI Identifier:: 22275851

Resource Type:: Journal Article

Journal Name:: Journal of Solid State Chemistry

Additional Journal Information:: Journal Volume: 211; Journal Issue: Complete; Other Information: Copyright (c) 2013 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0022-4596

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; DECOMPOSITION; ELECTRIC BATTERIES; HYDROTHERMAL SYNTHESIS; METHYL ORANGE; NANOSTRUCTURES; OXIDATION; PHOTOCATALYSIS; RUTILE; SOLAR CELLS; SPECIFIC SURFACE AREA; SURFACE AREA; TITANIUM OXIDES

Citation Formats


                    Jiang, Yongjian, Li, Meicheng, Suzhou Institute, North China Electric Power University, Suzhou 215123, Song, Dandan, Li, Xiaodan, and Yu, Yue. A novel 3D structure composed of strings of hierarchical TiO{sub 2} spheres formed on TiO{sub 2} nanobelts with high photocatalytic properties.  United States: N. p., 2014. 
        Web.  doi:10.1016/J.JSSC.2013.12.002.

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                    Jiang, Yongjian, Li, Meicheng, Suzhou Institute, North China Electric Power University, Suzhou 215123, Song, Dandan, Li, Xiaodan, & Yu, Yue. A novel 3D structure composed of strings of hierarchical TiO{sub 2} spheres formed on TiO{sub 2} nanobelts with high photocatalytic properties.  United States.  https://doi.org/10.1016/J.JSSC.2013.12.002

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                    Jiang, Yongjian, Li, Meicheng, Suzhou Institute, North China Electric Power University, Suzhou 215123, Song, Dandan, Li, Xiaodan, and Yu, Yue. 2014.  
        "A novel 3D structure composed of strings of hierarchical TiO{sub 2} spheres formed on TiO{sub 2} nanobelts with high photocatalytic properties".  United States.  https://doi.org/10.1016/J.JSSC.2013.12.002.

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@article{osti_22275851,

  title        = {A novel 3D structure composed of strings of hierarchical TiO{sub 2} spheres formed on TiO{sub 2} nanobelts with high photocatalytic properties},

  author       = {Jiang, Yongjian and Li, Meicheng and Suzhou Institute, North China Electric Power University, Suzhou 215123 and Song, Dandan and Li, Xiaodan and Yu, Yue},

  abstractNote = {A novel hierarchical titanium dioxide (TiO{sub 2}) composite nanostructure with strings of anatase TiO{sub 2} hierarchical micro-spheres and rutile nanobelts framework (TiO{sub 2} HSN) is successfully synthesized via a one-step hydrothermal method. Particularly, the strings of hierarchical spheres are assembled by very thin TiO{sub 2} nanosheets, which are composed of highly crystallized anatase nanocrystals. Meanwhile, the HSN has a large surface area of 191 m{sup 2}/g, which is about 3 times larger than Degussa P25. More importantly, the photocatalytic activity of HSN and P25 were evaluated by the photocatalytic oxidation decomposition of methyl orange (MO) under UV light illumination, and the TiO{sub 2} HSN shows enhanced photocatalytic activity compared with Degussa P25, as result of its continuous hierarchical structures, special conductive channel and large specific surface area. With these features, the hierarchical TiO{sub 2} may have more potential applications in the fields of dye-sensitized solar cells and lithium ion batteries. -- Graphical abstract: Novel TiO{sub 2} with anatase micro-spheres and rutile nanobelts is synthesized. Enhanced photocatalysis is attributed to hierarchical structures (3D spheres), conductive channel (1D nanobelts) and large specific surface area (2D nanosheet). Highlights: • The novel TiO{sub 2} nanostructure (HSN) is fabricated for the first time. • HSN is composed of strings of anatase hierarchical spheres and rutile nanobelt. • HSN presents a larger S{sub BET} of 191 m{sup 2}/g, 3 times larger than the Degussa P25 (59 m{sup 2}/g). • HSN owns three kinds of dimensional TiO{sub 2} (1D, 2D and 3D) simultaneously. • HSN exhibits better photocatalytic performance compared with Degussa P25.},

  doi          = {10.1016/J.JSSC.2013.12.002},

  url          = {https://www.osti.gov/biblio/22275851},
  journal      = {Journal of Solid State Chemistry},

  issn         = {0022-4596},

  number       = Complete,

  volume       = 211,

  place        = {United States},

  year         = {Sat Mar 15 00:00:00 EDT 2014},

  month        = {Sat Mar 15 00:00:00 EDT 2014}

}

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