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

Research output: Contribution to journalArticle

507 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 languageEnglish
Pages (from-to)15981-15985
Number of pages5
JournalJournal of the American Chemical Society
Volume125
Issue number51
DOIs
Publication statusPublished - 2003 Dec 24

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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