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박막,센서 : 에칭용액의 인산 첨가량에 따른 양극산화알루미늄 템플레이트의 제작 및 특성

조예원, 김용준, 여진호, 이성갑, 김영곤

Thin Films and Sensors : Fabrication and Characterization of AAO Template with Variation of the Phosphoric Acid Amount of the Etching Solution

Ye Won Jo, Yong Jun Kim, Jin Ho Yeo, Sung Gap Lee, Young Gon Kim
J Electr Electron Mater 2014;27(7):448-451.
Published online: July 1, 2014
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두 단계의 양극 산화 공전에 의해 제조된 양극 산화알루미늄(AAO)는 높은 종횡비는 갖기 때문에 기공의 구조를 갖는 나노 템플릿을 제작할 수 있다. 이러한 AAO는 제작 비용이 낮고 제작 공정이 간단하기 때문에 많은 관심을 끌고 있다. AAO는 규칙적으로 배열된 수직으로 성장하는 기공 형태를 갖고, 전해질의 pH와 전압의 변화에 따른 양극산화 조건 변화에 따라 템플릿 표면의 기공의 길이와 크기, 기공의 간격을 조절할 수 있다. 본 연구에서는 제작된 AAO템플릿을 X-ray diffraction과 field-emission scanning electron microscope (FE-SEM)으로 특성을 측정하였다. 식각 과정에서 쓰이는 크롬산과 인산의 혼합용액에서 인산용액의 양을 변화 시켰을 때, 인산용액 양을 변화는 AAO 템플릿의 기공의 사이즈 변화에는 큰 영향을 미치지 않는 것으로 사료된다.

Anodic aluminum oxides (AAO) fabricated by the two-step anodizing process have attracted much attention for the fabrication of nano template because of pore structure with high aspect ratio, low cost process and ease of fabrication. AAOs are characterized by a homogeneous morphology of parallelpores that grow perpendicular to the template surface with a narrow distribution of diameter, length and inter-pores spacing, all of which can be easily controlled by suitably choosing of the anodizingparameters such as pH of the electrolyte, anodizing voltage and duration of anodizing. In this study, AAOtemplates were characterized by X-ray diffraction and field-emission scanning electron microscope(FE-SEM). The dependence of the pore size change according to the amount of addition of phosphoric acid, which was used to remove the initial alumina oxide layer, was not observed.

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Thin Films and Sensors : Fabrication and Characterization of AAO Template with Variation of the Phosphoric Acid Amount of the Etching Solution
J Electr Electron Mater. 2014;27(7):448-451.   Published online July 1, 2014
Download Citation

Download a citation file in RIS format that can be imported by all major citation management software, including EndNote, ProCite, RefWorks, and Reference Manager.

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Thin Films and Sensors : Fabrication and Characterization of AAO Template with Variation of the Phosphoric Acid Amount of the Etching Solution
J Electr Electron Mater. 2014;27(7):448-451.   Published online July 1, 2014
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