Structural and morphological characterization of cerium oxide nanocrystals prepared by hydrothermal synthesis

Kenji Kaneko, Koji Inoke, Bert Freitag, Ana B. Hungria, Paul A. Midgley, Thomas W. Hansen, Jing Zhang, Satoshi Ohara, Tadafumi Adschiri

    Research output: Contribution to journalArticlepeer-review

    202 Citations (Scopus)

    Abstract

    Colloidal cerium oxide (CeO2) nanocrystals prepared by hydrothermal synthesis were characterized by high-resolution transmission electron microscopy (HRTEM) and three-dimensional electron tomography (3D-ET). HRTEM images of individual CeO2 nanocrystals were then simulated by Blochwave and multislice simulations to determine the atomic arrangement and terminating atoms. The edge length distributions were between 5.0 and 8.0 nm with an average edge length of 6.7 nm. The HRTEM images showed that the CeO 2 particles were slightly truncated revealing {220} facets. 3D-ET revealed that the CeO2 nanocrystals exposed predominantly {200} cubic facets. The nanocrystals were truncated at the corners exposing {111} octahedral facets and at the edges {220} dodecahedral facets. Furthermore, 3D-ET revealed the presence of some tetragonal-shaped CeO2 nanocrystals.

    Original languageEnglish
    Pages (from-to)421-425
    Number of pages5
    JournalNano Letters
    Volume7
    Issue number2
    DOIs
    Publication statusPublished - Feb 2007

    All Science Journal Classification (ASJC) codes

    • Bioengineering
    • Chemistry(all)
    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanical Engineering

    Fingerprint

    Dive into the research topics of 'Structural and morphological characterization of cerium oxide nanocrystals prepared by hydrothermal synthesis'. Together they form a unique fingerprint.

    Cite this