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On-Chip Encapsulation of Quasi-Amorphous Photonic Materials with Controlled Shell Thickness

Title
On-Chip Encapsulation of Quasi-Amorphous Photonic Materials with Controlled Shell Thickness
Author
강영종
Keywords
Double Emulsion; Photonic Crystals; Colloid Assembly; Controlled Shell Thickness; Microfluidic Chip
Issue Date
2017-02
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
SCIENCE OF ADVANCED MATERIALS, v. 9, no. 2, page. 238-243
Abstract
Double emulsion micro-capsules exhibiting photonic colors are fabricated on a microfluidic chip with controlled shell thickness by utilizing a two-stage flow-focusing effect and an in situ UV polymerization technique. The colors of fabricated photonic capsules are controlled by changing the size of nanoparticles. Capsules exhibiting blue, green and red colors are successfully fabricated using quasi-amorphous photonic solution consisting of silica nanoparticles with diameter of d= 152 +/- 9.3, 180 +/- 9.0 and 225 +/- 14.9 nm respectively. The shell thickness of fabricated photonic capsules is controlled from 8.8 to 22.1 mu m by adjusting the flow rate ratio injected into a micro fluidic chip.
URI
https://www.ingentaconnect.com/content/asp/sam/2017/00000009/00000002/art00015;jsessionid=3akvtwn31tf7p.x-ic-live-03https://repository.hanyang.ac.kr/handle/20.500.11754/112786
ISSN
1947-2935; 1947-2943
DOI
10.1166/sam.2017.2468
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > CHEMISTRY(화학과) > Articles
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