Polymer Janus Particles Containing Block-Copolymer Stabilized Magnetic Nanoparticles

被引：48

作者：

Yabu, Hiroshi ^{[1
,2
]}

Kanahara, Masaaki ^{[1
]}

Shimomura, Masatsugu ^{[1
]}

Arita, Toshihiko ^{[1
]}

Harano, Koji ^{[3
]}

Nakamura, Eiichi ^{[3
]}

Higuchi, Takeshi ^{[4
]}

Jinnai, Hiroshi ^{[4
,5
,6
]}

机构：

[1] Tohoku Univ, IMRAM, Aoba Ku, Sendai, Miyagi 980, Japan

[2] Japan Sci & Technol Agcy JST, Precursory Res Embryon Sci & Technol PRESTO, Aoba Ku, Sendai, Miyagi, Japan

[3] Univ Tokyo, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan

[4] Kyushu Univ, IMCE, Nishi Ku, Fukuoka 8190395, Japan

[5] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2 CNER, Nishi Ku, Fukuoka 8190395, Japan

[6] Japan Sci & Technol Agcy JST, ERATO Takahara Soft Interfaces Project, Nishi Ku, Fukuoka 8190395, Japan

来源：

ACS APPLIED MATERIALS & INTERFACES | 2013年 / 5卷 / 08期

关键词：

phase separation; Janus particles; magnetic response; self-assembly; polymer particles; PHASE-SEPARATION STRUCTURES; DISPLAY; SURFACE; LITHOGRAPHY; GRAPHENE;

D O I：

10.1021/am4003149

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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 gamma-Fe2O3 nanoparticles, polystyrene (PS), and polyisoprene containing water, aqueous dispersion of Janus microparticles were successfully prepared, and the gamma-Fe2O3 nanoparticles were selectively introduced into the PS phase. We demonstrate rotation and accumulation of Janus particles by using a neodymium magnet.

引用

页码：3262 / 3266

页数：5

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