Abstract
In this report, we show a simple route to fabricate Janus particles having magnetic nanoparticles inside them, which can respond and rotate along to magnetic fields. By solvent evaporation from the tetrahydrofran solution of polymer stabilized γ-Fe2O3 nanoparticles, polystyrene (PS), and polyisoprene containing water, aqueous dispersion of Janus microparticles were successfully prepared, and the γ-Fe2O 3 nanoparticles were selectively introduced into the PS phase. We demonstrate rotation and accumulation of Janus particles by using a neodymium magnet.
| Original language | English |
|---|---|
| Pages (from-to) | 3262-3266 |
| Number of pages | 5 |
| Journal | ACS Applied Materials and Interfaces |
| Volume | 5 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2013 Apr 24 |
Keywords
- Janus particles
- magnetic response
- phase separation
- polymer particles
- self-assembly
ASJC Scopus subject areas
- Materials Science(all)
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Cite this
Yabu, H., Kanahara, M., Shimomura, M., Arita, T., Harano, K., Nakamura, E., Higuchi, T., & Jinnai, H. (2013). Polymer Janus particles containing block-copolymer stabilized magnetic nanoparticles. ACS Applied Materials and Interfaces, 5(8), 3262-3266. https://doi.org/10.1021/am4003149