Structure of exfoliated titanate nanosheets determined by atomic pair distribution function analysis

Milen Gateshki, Seong Ju Hwang, Dae Hoon Park, Yang Ren, Valeri Petkov

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Colloidal suspension of titanate nanosheets has been prepared by exfoliation of Cs0.67-Ti1.83O4 through the intercalation of tetrabutylammonium (TBA). The atomic scale structure of the nanosheets has been determined using X-ray diffraction and the atomic pair distribution function (PDF) technique. The exfoliated titanate nanosheets have been found to be an irregular assembly of double layers of Ti-O6 octahedra accommodating water and TBA molecules in the interlayer space. The interlayer distances show a wide distribution ranging from 9 to at least 18 Å. The separation between the titanate layers remains nearly the same in air-dried product of the colloidal suspension.

Original languageEnglish
Pages (from-to)5153-5157
Number of pages5
JournalChemistry of Materials
Volume16
Issue number24
DOIs
StatePublished - Nov 30 2004

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