Synthesis of nanoporous rutile nanocrystals under mild conditions

Kairat Sabyrov, Virany M. Yuwono, Lee Penn

Research output: Contribution to journalConference articlepeer-review

Abstract

Single-crystalline rutile with porous and complex structure can be produced by tuning reaction conditions so as to maintain low titania solubility. X-ray diffraction, high-resolution transmission electron microscopy, and cryogenic transmission electron microscopy results are consistent with the hypothesis that oriented aggregation of anatase crystals precedes rutile nucleation and growth from anatase nanocrystal interfaces. The product rutile retains morphological and microstructure features consistent with an aggregation-based phase transformation because coarsening, or monomer-by-monomer growth, is suppressed under these conditions of low titania solubility.

Original languageEnglish (US)
Pages (from-to)13-19
Number of pages7
JournalMaterials Research Society Symposium Proceedings
Volume1721
Issue numberJanuary
DOIs
StatePublished - Jan 1 2015
Event2014 MRS Fall Meeting - Boston, United States
Duration: Nov 30 2014Dec 5 2014

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