Titania polymorphs by soft chemistry: Is there a common structural pattern?

Milen Gateshki, Shu Yin, Yang Ren, Valeri Petkov

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


The structural aspects of a soft chemical route1 employed to obtain nitrogen-doped brookite, rutile, or anatase fine crystallite powders are revealed by total X-ray diffraction and atomic pair distribution function analysis. It is found that the route first passes through a heavily disordered phase consisting of nanosize layers of TiO6 octahedra, similar to those occurring in the lepidocrocite-type structure. That phase is then transformed into a particular titania polymorph by rearranging the layers in a controlled way. The lepidocrocite-type structure thus again proves to be a very useful template in the soft chemistry of titania.

Original languageEnglish
Pages (from-to)2512-2518
Number of pages7
JournalChemistry of Materials
Issue number10
StatePublished - May 15 2007


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