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무패턴 마이크로 채널을 이용한 마이크로 막대 광결정 제작
서한복(Han-Bok Seo),현승협(Seung-Hyeop Hyun),이승엽(Seung-Yop Lee) 대한기계학회 2015 대한기계학회 춘추학술대회 Vol.2015 No.11
The photonic crystals have been developed in various fields for the applications to optical devices, bioelectronics and biosensors. In this paper, we fabricate rod-shaped photonic crystals with micro-scale thickness, width, and macro-scale length by using a simple self-assembly process. The micro-channel of hydrophilic substrates without pre-patterns was used to crystalize nanoparticles from the colloidal suspensions injecting in the channels. A lot of long micro-rods were simply fabricated with relatively low defects by a rotational drying process. The fabricated micro-rods with structural color have the width about 1~2 times larger than the thickness, which is identical to the thickness of the micro-channel. The rod-shaped photonic crystals can be applied to biomimetic structural colors with specific patterns, micro-cantilevers and optical devices.