Shaping nanometer-scale architecture through surface chemistry

Zoran V. Saponjic; Nada M. Dimitrijevic; David M. Tiede; Andrew J. Goshe; Xiaobing Zuo; Lin X. Chen; Amanda S. Barnard; Peter Zapol; Larry Curtiss; Tijana Rajh

doi:10.1002/adma.200401041

Shaping nanometer-scale architecture through surface chemistry

Zoran V. Saponjic^*, Nada M. Dimitrijevic, David M. Tiede, Andrew J. Goshe, Xiaobing Zuo, Lin X. Chen, Amanda S. Barnard, Peter Zapol, Larry Curtiss, Tijana Rajh

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

125 Scopus citations

Abstract

The unique surface structure of Titanium surface sites, whihc controls the nanoparticle shape and the overall crystalline structure of TiO ₂(titania) nanotubes, was studied. Scrolled titania nanotubes were found to contain a large fraction of uncoordinated surface sites. The scrolled titania nanotubes, axially anisotropic nano-objects, are shaped because of the formation of undercoordinated surface sites that fold layers of anatase titania into scrolled nanotubes with large curvatures. Unscrolling was found to change the crystalline structure from quasinatase in the nanotubes to quasirutile in the sheet like structures. The use of the structure of the surface sites in controlling the crystalline structure of the nanostructure were evaluated.

Original language	English (US)
Pages (from-to)	965-971
Number of pages	7
Journal	Advanced Materials
Volume	17
Issue number	8
DOIs	https://doi.org/10.1002/adma.200401041
State	Published - Apr 18 2005

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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title = "Shaping nanometer-scale architecture through surface chemistry",

abstract = "The unique surface structure of Titanium surface sites, whihc controls the nanoparticle shape and the overall crystalline structure of TiO 2(titania) nanotubes, was studied. Scrolled titania nanotubes were found to contain a large fraction of uncoordinated surface sites. The scrolled titania nanotubes, axially anisotropic nano-objects, are shaped because of the formation of undercoordinated surface sites that fold layers of anatase titania into scrolled nanotubes with large curvatures. Unscrolling was found to change the crystalline structure from quasinatase in the nanotubes to quasirutile in the sheet like structures. The use of the structure of the surface sites in controlling the crystalline structure of the nanostructure were evaluated.",

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AU - Saponjic, Zoran V.

AU - Dimitrijevic, Nada M.

AU - Tiede, David M.

AU - Goshe, Andrew J.

AU - Zuo, Xiaobing

AU - Chen, Lin X.

AU - Barnard, Amanda S.

AU - Zapol, Peter

AU - Curtiss, Larry

AU - Rajh, Tijana

PY - 2005/4/18

Y1 - 2005/4/18

N2 - The unique surface structure of Titanium surface sites, whihc controls the nanoparticle shape and the overall crystalline structure of TiO 2(titania) nanotubes, was studied. Scrolled titania nanotubes were found to contain a large fraction of uncoordinated surface sites. The scrolled titania nanotubes, axially anisotropic nano-objects, are shaped because of the formation of undercoordinated surface sites that fold layers of anatase titania into scrolled nanotubes with large curvatures. Unscrolling was found to change the crystalline structure from quasinatase in the nanotubes to quasirutile in the sheet like structures. The use of the structure of the surface sites in controlling the crystalline structure of the nanostructure were evaluated.

AB - The unique surface structure of Titanium surface sites, whihc controls the nanoparticle shape and the overall crystalline structure of TiO 2(titania) nanotubes, was studied. Scrolled titania nanotubes were found to contain a large fraction of uncoordinated surface sites. The scrolled titania nanotubes, axially anisotropic nano-objects, are shaped because of the formation of undercoordinated surface sites that fold layers of anatase titania into scrolled nanotubes with large curvatures. Unscrolling was found to change the crystalline structure from quasinatase in the nanotubes to quasirutile in the sheet like structures. The use of the structure of the surface sites in controlling the crystalline structure of the nanostructure were evaluated.

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Shaping nanometer-scale architecture through surface chemistry

Abstract

ASJC Scopus subject areas

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