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실리콘 나노그래스 구조물 제작과 그 응용 연구

Title
실리콘 나노그래스 구조물 제작과 그 응용 연구
Authors
조성진
Date Issued
2010
Publisher
포항공과대학교
Abstract
Fabrication of nanostructures, especially one-dimensional (1D) nanostructure, has been receiving increasing attention in the scientific community lately because of its wide applications. However, conventional fabrication methods have some limitations such complexity of fabrication and long processing time. Silicon Nanograss method is novel approach to fabrication 1D silicon structure without complex process such as lithography and catalyst patterning In this research, first, the various conditions that can affect the Nanograss structure were studied. It’s showed that DRIE processing time, insulators on the wafer, doping level of the wafer, additional wafer attachment can change density, height and thickness of Nanograss. Secondly, Nanograss structure was patterned with complex shape by photo lithography. Also, I demonstrated novel one step fabricated micro pattern nano silicon structures (OMANS) by using a photo resist as a sacrificial layer. Lastly, super hydrophobic and super hydrophilic silicon surface were fabricated by controlling the density of Nanogarss and modifying surface material. Also, optimizing the density of Nanograss, super hydrophobic (θ>170°)silicon mirror with high reflectivity(Max. 98% compared to polished silicon) has been developed.
URI
http://postech.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000000546968
http://oasis.postech.ac.kr/handle/2014.oak/590
Article Type
Thesis
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