期刊
COMPOSITES COMMUNICATIONS
卷 19, 期 -, 页码 114-120出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2020.02.012
关键词
Colloidal particles; Core/shell; High saturation magnetization; Dual-response behavior; Structural colors; Reflectivity
资金
- National Natural Science Foundation of China of China [61975162, 51172178, 51671155, 51471125]
- Fundamental Research Funds for the Central Universities
- World-Class Universities (Disciplines)
- Characteristic Development Guidance Funds for the Central Universities
Monodisperse Fe3O4@PS colloidal particles with hollow core/shell structure and high saturation magnetization were successfully fabricated by a facile chemical approach. Owing to magnetic nature of iron oxide core and positively charged polystyrene shell, the colloidal particles in suspension assembled into ordered array and showed dual-response behavior to magnetic and electric field. When the cooperation between magnetic and electric field matched well, the photonic crystals showed better structural color and higher reflectivity. Consequently, as-synthesized Fe3O4@PS colloids have great potentials in some high-tech fields such as color sensors, color display, camouflage, electronic papers, and so on.
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