Synthesis of plate-like zinc oxide particles by the transcription of precursor's shape

S. Yin, T. Goto, F. Gobo, Y. F. Huang, P. L. Zhang, T. Sato

    Research output: Contribution to journalConference articlepeer-review

    2 Citations (Scopus)

    Abstract

    Plate-like zinc contained precursors such as simonkoleite or basic sulphate were successfully synthesized by using equilmolar of Zn2+ / hexamethylenetetramine (HMT) acted as precursors, ethylene glycol(EG) as dispersant and surfactant additive, respectively. The reaction solution was sealed in a glass bottle and heated at 95°C for 3h. The zinc contained precursors possessed layered structure and plate-like morphology were successfully synthesized by controlling the zinc ions concentration, reaction temperature, organic solvent additives, anion additives. It was found that plate-like simonkolleite transformed to plate-like ZnO after calcination in air at 400°C, while it transformed to rod-like ZnO under hydrothermal conditions above 140°C. The additive of ethylene glycol decreased the particle size and affected the particle size distribution. The conductivity of the pressured powders was improved by small amount of Ga and Al doping followed by H 2 reduction treatment at 500°C for 1h.

    Original languageEnglish
    Article number042004
    JournalIOP Conference Series: Materials Science and Engineering
    Volume18
    Issue numberSYMPOSIUM 2B
    DOIs
    Publication statusPublished - 2011
    Event3rd International Congress on Ceramics, ICC3 - Osaka, Japan
    Duration: 2010 Nov 142010 Nov 18

    ASJC Scopus subject areas

    • Materials Science(all)
    • Engineering(all)

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