Facile fabrication of uniform-sized, magnetic, and electroconductive hybrid microspheres using a microfluidic droplet generator
- Authors
- Lee, Sang Woo; Choi, Jong Seob; Cho, Kuk Young; Yim, Jin-Heong
- Issue Date
- Jul-2016
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- PEDOT/PSS microparticles; Agarose; Microfluidic device
- Citation
- EUROPEAN POLYMER JOURNAL, v.80, pp.40 - 47
- Indexed
- SCIE
SCOPUS
- Journal Title
- EUROPEAN POLYMER JOURNAL
- Volume
- 80
- Start Page
- 40
- End Page
- 47
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/13202
- DOI
- 10.1016/j.eurpolymj.2016.04.034
- ISSN
- 0014-3057
- Abstract
- Functional uniform-sized polymeric microspheres from Fe3O4-poly(3,4-ethylenedioxythio phene) (PEDOT)/polystyrene sulfonate (PSS)-agarose hybrid materials were fabricated using a microfluidic apparatus. Small sizes of microparticles, 20-80 m in size, are achieved by controlling the continuous oil flow rate (Q(c)) in the microfluidic device. The cross-sectional morphology demonstrate dense structure and observation of the sulphur/iron atoms in the microparticles revealed very uniform distribution. Lower resistance of the PEDOT/PSS-agarose hybrid microparticles (8.5 x 10(1)-8 x 10(3) Omega) enabled lighting a light-emitting diode (LED) from the assembled particles. In addition, uniform microparticles can be quickly dragged toward an external magnet indicating good magnetic property. The multi-funtionality of uniform-sized hybrid particle is promising for myriad applications including eco-friendly electronic and biomedical applications. (C) 2016 Elsevier Ltd. All rights reserved.
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