Nanoscale morphological design of ZnO crystals grown in aqueous solutions

Tetsuo Kawano, Hiroaki Imai

研究成果: Article

26 引用 (Scopus)

抄録

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.

元の言語English
ページ(範囲)969-976
ページ数8
ジャーナルNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
118
発行部数1383
出版物ステータスPublished - 2010 11

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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

ASJC Scopus subject areas

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

これを引用

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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.",
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AU - Imai, Hiroaki

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KW - Chemical bath deposition (CBD)

KW - Crystal growth

KW - Crystallization

KW - Epitaxial growth

KW - Film

KW - Liquid phase deposition (LPD)

KW - Morphology

KW - Nanocrystal

KW - Nucleation

KW - Particle

KW - Soft solution process

KW - Supersaturation

KW - Wet chemical processing

KW - Zinc oxide

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