Characteristically shaped ZnO particles produced by periodic precipitation in organic gel media

Tetsuo Kawano, Hiroaki Imai

研究成果: Article

13 引用 (Scopus)

抜粋

Wurtzite-type ZnO particles were directly prepared in agar gel containing zinc sulfate by diffusion of hydroxyl ions (OH-). A banded structure consisting of characteristically shaped particles, such as star-like, ellipsoidal, and round grains, was obtained through periodic precipitation along the direction of the OH- diffusion. The individual particles were composed of nanoscale ZnO crystallites elongated in the c-axis. The star-like and ellipsoidal ZnO aggregates were produced through a dissolution-precipitation process from previously precipitated thin plates of ZnSO4· 3Zn(OH)2. The gel media provided a diffusion field of the precursors resulting in the formation of various kinds of characteristic shapes consisting of nanoscale ZnO particles.

元の言語English
ページ(範囲)490-499
ページ数10
ジャーナルJournal of Crystal Growth
283
発行部数3-4
DOI
出版物ステータスPublished - 2005 10 1

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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