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Structural characteristics of ZnO nanostructures synthesized by the thermal evaporation method

정준호|심광보|김우식|최봉근|방신영
한국결정성장학회 (The Korea Association Of Crystal Growth, Inc.)|2008.04|한국결정성장학회지 (Journal of the Korean Crystal Growth and Crystal Technology)|제18권 제2호|pp. 81-86

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참고문헌

키워드

NanowireSynthesisZnONanostructureThermal evaporation method
주제분류재료공학

초록

ZnO nanowires were synthesized by the thermal evaporation method and their growth mechanisms were confirmed by the characterization of the structural features depending on the growth conditions. The increase of vaporization temperature accelerates the growth rate and morphologies of ZnO nanowires were drastically changed at the temperature over 1000℃, because of changed CO/CO₂ partial pressure. Au particles play their role on growth of ZnO nanowire as catalyst at growth temperature over 700℃. The synthesized ZnO nanowires exhibit blue emission at 380 nm.

Abstract

ZnO nanowires were synthesized by the thermal evaporation method and their growth mechanisms were confirmed by the characterization of the structural features depending on the growth conditions. The increase of vaporization temperature accelerates the growth rate and morphologies of ZnO nanowires were drastically changed at the temperature over 1000℃, because of changed CO/CO₂ partial pressure. Au particles play their role on growth of ZnO nanowire as catalyst at growth temperature over 700℃. The synthesized ZnO nanowires exhibit blue emission at 380 nm.

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