Fabrication of mesoporous ZnO nanosheets from precursor templates grown in aqueous solutions

Keita Kakiuchi, Eiji Hosono, Toshio Kimura, Hiroaki Imai, Shinobu Fujihara

研究成果: Article

92 引用 (Scopus)

抄録

Mesoporous ZnO nanosheets were successfully prepared by pyrolytic transformation of zinc carbonate hydroxide hydrate, Zn4CO 3(OH)6•H2O. The nanosheets were initially formed as assemblies on glass substrates during chemical bath deposition (CBD) in aqueous solutions of urea and zinc acetate dihydrate, zinc chloride, zinc nitrate hexahydrate, or zinc sulfate heptahydrate at 80°C. It was key to induce heterogeneous nucleation of Zn4CO3(OH) 6•H2O by promoting a gradual hydrolysis reaction of urea and controlling the degree of supersaturation of zinc hydroxide species. Morphology of Zn4CO3(OH)6•H2O was largely influenced by the anions present in the CBD solutions. The Zn 4CO3(OH)6•H2O nanosheets were transformed into wurtzite ZnO by heating at 300°C in air without losing the microstructural feature.

元の言語English
ページ(範囲)63-72
ページ数10
ジャーナルJournal of Sol-Gel Science and Technology
39
発行部数1 SPEC. ISS.
DOI
出版物ステータスPublished - 2006 7

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Nanosheets
Zinc
templates
zinc
aqueous solutions
Fabrication
fabrication
Urea
Zinc Acetate
Zinc Sulfate
ureas
Supersaturation
hydroxides
baths
Hydrates
Anions
Hydrolysis
Nucleation
zinc chlorides
Zinc chloride

ASJC Scopus subject areas

  • Ceramics and Composites

これを引用

Fabrication of mesoporous ZnO nanosheets from precursor templates grown in aqueous solutions. / Kakiuchi, Keita; Hosono, Eiji; Kimura, Toshio; Imai, Hiroaki; Fujihara, Shinobu.

:: Journal of Sol-Gel Science and Technology, 巻 39, 番号 1 SPEC. ISS., 07.2006, p. 63-72.

研究成果: Article

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