Generic Synthetic Route to Monodisperse Sub-10 nm Lanthanide Oxide Nanodisks: A Modified Digestive Ripening Process

Jinhoo Jeong, Nayon Kim, Myeong Geun Kim, Woong Kim

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The development of generic methods to synthesize monodisperse nanomaterials is one of the most critical issues in the current research field of nanomaterial synthesis. In this work, we demonstrate for the first time that a digestive ripening process can produce monodisperse sub-10 nm lanthanide oxide nanodisks. Moreover, we show that nanodisks of nine different lanthanide oxides can be synthesized under the same reaction conditions. The successful synthesis is realized by employing a hot injection step to induce a single nucleation event and by introducing transition metal ions to delicately define the size and shape of the nanodisks in the digestive ripening process. Among the various nanodisks, Gd2O3, Dy2O3, and Ho2O3 nanodisks show promising magnetic properties as magnetic resonance imaging contrast agents. We expect that this novel synthetic route can be extended to various nanomaterials, including metallic and semiconducting nanocrystals.

Original languageEnglish
Pages (from-to)172-179
Number of pages8
JournalChemistry of Materials
Volume28
Issue number1
DOIs
Publication statusPublished - 2016 Jan 12

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Lanthanoid Series Elements
Rare earth elements
Nanostructured materials
Oxides
Magnetic resonance
Nanocrystals
Contrast Media
Transition metals
Metal ions
Magnetic properties
Nucleation
Imaging techniques

ASJC Scopus subject areas

  • Materials Chemistry
  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Generic Synthetic Route to Monodisperse Sub-10 nm Lanthanide Oxide Nanodisks : A Modified Digestive Ripening Process. / Jeong, Jinhoo; Kim, Nayon; Kim, Myeong Geun; Kim, Woong.

In: Chemistry of Materials, Vol. 28, No. 1, 12.01.2016, p. 172-179.

Research output: Contribution to journalArticle

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