Nanoscale morphological design of ZnO crystals grown in aqueous solutions

Tetsuo Kawano, Hiroaki Imai

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

In the past decade, a wide variety of ZnO crystals were prepared through wet chemical processing. However, the fundamentals of the nanoscale morphological variation of ZnO crystals on the crystal growth in aqueous solution systems have not been sufficiently studied. This paper is a review of the various morphologies of ZnO crystals in relation to the preparation conditions, including the source chemicals, the role of seeds or substrates, and the presence of organic molecules as a shape modifier. Versatile guidelines for controlling the nanoscaled morphologies of ZnO crystals in the forms of individual particles and films as assembly of nanocrystals are proposed on the basis of the classification of typical phenomena. The essential parameters, such as the growth rate, growth site, and growth direction of ZnO crystals, are successfully tuned by varying the degree of supersaturation, the presence of seeds or substrates, and the addition of specific organic molecules, respectively.

Original languageEnglish
Pages (from-to)969-976
Number of pages8
JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Volume118
Issue number1383
Publication statusPublished - 2010 Nov

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aqueous solutions
Crystals
crystals
Seed
seeds
Molecules
Supersaturation
Substrates
Crystallization
supersaturation
Crystal growth
Nanocrystals
crystal growth
molecules
nanocrystals
assembly
preparation
Processing

Keywords

  • Chemical bath deposition (CBD)
  • Crystal growth
  • Crystallization
  • Epitaxial growth
  • Film
  • Liquid phase deposition (LPD)
  • Morphology
  • Nanocrystal
  • Nucleation
  • Particle
  • Soft solution process
  • Supersaturation
  • Wet chemical processing
  • Zinc oxide

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry
  • Chemistry(all)
  • Condensed Matter Physics

Cite this

Nanoscale morphological design of ZnO crystals grown in aqueous solutions. / Kawano, Tetsuo; Imai, Hiroaki.

In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, Vol. 118, No. 1383, 11.2010, p. 969-976.

Research output: Contribution to journalArticle

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