Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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ZnO Octahedron Fabricated by Thermal Evaporation Technique in Air

공기 중에서 열증발법에 의하여 제작된 정팔면체 ZnO 결정

  • Lee, Geun-Hyoung (Department of Materials & Components Engineering, Dong-eui University)
  • 이근형 (동의대학교 융합부품공학과)
  • Received : 2013.02.08
  • Accepted : 2013.03.24
  • Published : 2013.04.01
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Abstract

ZnO crystals with octahedral shape were synthesized by thermal evaporation technique. $ZnF_2$ powder was used as the source material. The thermal evaporation and oxidation of $ZnF_2$ powder was carried out for 1 hr at $1,000^{\circ}C$ in air under atmospheric pressure. SEM images showed that the ZnO crystals produced by oxidizing $ZnF_2$ vapor possessed a characteristic octahedral shape. XRD spectrum revealed that the ZnO octahedron had hexagonal wurtzite structure. In the room temperature photoluminescence spectrum, a strong green emission peak at around 510 nm was observed.

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