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촉매를 사용하지 않는 열 기화법으로 다양한 형태의 ZnO 3차원 구조체 합성

Different morphologies of three dimensional ZnO structures synthesized by thermal evaporation method without a catalyst

오동근|김경훈|심광보|최봉근|방신영|Tran Van Khai|Prachuporn Maneeratanasarn|함헌
한국결정성장학회 (The Korea Association Of Crystal Growth, Inc.)|2013.02|한국결정성장학회지 (Journal of the Korean Crystal Growth and Crystal Technology)|제23권 제1호|pp. 8-13|DOI http://dx.doi.org/10.6111/JKCGCT.2013.23.1.008

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키워드

Hollow structureZnONanostructureHexagonal structureThermal evaporation process
주제분류재료공학

초록

다른 형태의 ZnO는 형태에 따라 각각의 활용분야에 사용할 수 있다. 다양한 형태의 ZnO 구조체(structures)는촉매를 사용하지 않는 열 기화법(thermal evaporation process)으로 합성되었다. ZnO 구조체의 형태들은 같은 실험 공정에서기판과 소스간의 거리에 의존하였으며, 그 결과 합성물의 형태는 hollow, cage, star 이었다. ZnO 구조체의 형상과 결정성을주사전자현미경(SEM)과 X선 회절분석(XRD)으로 각기 평가했다. 본 연구에서는 어떤 종류의 성장 요소가 최종 구조체의형태에 관여하는지를 입증한다.

Abstract

ZnO with different morphologies can be used various application depending on their shapes. Different morphologies of ZnO structures were synthesized by a catalysis-free thermal evaporation process. Their morphologies were dependent on the distance from the source to substrate on the same processing condition; in the result were products morphologies of the hollow, cage and star. Their shapes and crystalinity were evaluated by SEM and XRD, respectively. This work demonstrates what kind of growth factors would be involved in the final structure morphologies.

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