Surfactant-Assisted Elimination of a High Energy Facet as a Means of Controlling the Shapes of TiO2 Nanocrystals

Young Wook Jun; Maria F. Casula; Jae Hwan Sim; Sang Youl Kim; Jinwoo Cheon; A. Paul Alivisatos

doi:10.1021/ja0369515

Surfactant-Assisted Elimination of a High Energy Facet as a Means of Controlling the Shapes of TiO₂ Nanocrystals

Young Wook Jun, Maria F. Casula, Jae Hwan Sim, Sang Youl Kim, Jinwoo Cheon, A. Paul Alivisatos

Department of Chemistry

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

548 Citations (Scopus)

Abstract

The surfactant-mediated shape evolution of titanium dioxide anatase nanocrystals in nonaqueous media was studied. The shape evolves from bullet and diamond structures to rods and branched rods. The modulation of surface energies of the different crystallographic faces through the use of a surface selective surfactant is the key parameter for the shape control.

Original language	English
Pages (from-to)	15981-15985
Number of pages	5
Journal	Journal of the American Chemical Society
Volume	125
Issue number	51
DOIs	https://doi.org/10.1021/ja0369515
Publication status	Published - 2003 Dec 24

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja0369515

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abstract = "The surfactant-mediated shape evolution of titanium dioxide anatase nanocrystals in nonaqueous media was studied. The shape evolves from bullet and diamond structures to rods and branched rods. The modulation of surface energies of the different crystallographic faces through the use of a surface selective surfactant is the key parameter for the shape control.",

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AU - Cheon, Jinwoo

AU - Alivisatos, A. Paul

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AB - The surfactant-mediated shape evolution of titanium dioxide anatase nanocrystals in nonaqueous media was studied. The shape evolves from bullet and diamond structures to rods and branched rods. The modulation of surface energies of the different crystallographic faces through the use of a surface selective surfactant is the key parameter for the shape control.

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Surfactant-Assisted Elimination of a High Energy Facet as a Means of Controlling the Shapes of TiO₂ Nanocrystals

Abstract

All Science Journal Classification (ASJC) codes

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