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Fabrication of Rod-Shaped Photonic Structures Using Self-Assembled Colloidal Particles

조회수 : 37 등록일 : 2017.01.12 00:00

저자 : Hur, NH (Hur, Nam-Hwi)
출처 : JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
출판일 : 2016.08.01
 
Fabrication of Rod-Shaped Photonic Structures Using Self-Assembled Colloidal Particles
 
 
Seo, HB (Seo, Han-Bok)[ 1 ] ; Hyun, SH (Hyun, Seung-Hyeop)[ 1 ] ; Hur, NH (Hur, Nam-Hwi)[ 2 ] ; Lee, SY (Lee, Seung-Yop)[ 1 ]
 
 
[ 1 ] Sogang Univ, Dept Mech Engn, 1 Shinsu Dong, Seoul 121742, South Korea
[ 2 ] Sogang Univ, Dept Chem, 1 Shinsu Dong, Seoul 121742, South Korea
 
 
 
In this paper, we propose a simple self-assembly technique to fabricate rectangular rod-shaped photonic structures with micrometer-scale thickness and width using silica nanoparticles. Colloidal nanoparticles were crystallized from the colloidal suspensions injecting the micro-channels with hydrophilic substrates, and then a lot of rectangular rods were rapidly fabricated with relatively low defects by a rotational drying process. The fabricated micro-rods have a specific structural color and a rectangular cross-section where the width is about 1 similar to 2 times larger than the thickness, which is identical to the gap of the micro-channel. As the gap is decreased, the ratio of the width to the thickness of the rectangular rods and the structural irregularity become increasing.
 
 
 
 
 
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