Metal-coated microcapsules with tunable magnetic properties synthesized via electroless plating

Toshihiko Tsuneyoshi, Tsutomu Ono

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Metal-coated microcapsules with tunable magnetic properties, which contained liquid cores and metallic Ni–P alloy shells, were synthesized via electroless plating. The fabrication process consisted of emulsification, phase separation, and electroless Ni plating stages. The material composition and sizes of Ni single crystals in the obtained metallic shells depended on the pH of the plating solution. It was found that the microcapsules prepared at high pH values (8.0 and 10.0) were characterized by ferromagnetic properties, whereas those synthesized at low pH values (4.7 and 6.0) were superparamagnetic. The produced microcapsules have potential applications as magnetic responsive carriers of phase change materials, which can be easily transferred to a desired place by applying external magnetic field.

Original languageEnglish
Pages (from-to)49-54
Number of pages6
JournalMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume222
DOIs
Publication statusPublished - Aug 1 2017

Fingerprint

Electroless plating
plating
Plating
Capsules
Magnetic properties
Metals
magnetic properties
Emulsification
Phase change materials
Phase separation
metals
phase change materials
Single crystals
Magnetic fields
Fabrication
Liquids
Chemical analysis
fabrication
single crystals
liquids

Keywords

  • Electroless Ni plating
  • Ferromagnetis
  • Magnetic response
  • Microencapsulation
  • Superparamagnetism

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "Metal-coated microcapsules with tunable magnetic properties, which contained liquid cores and metallic Ni–P alloy shells, were synthesized via electroless plating. The fabrication process consisted of emulsification, phase separation, and electroless Ni plating stages. The material composition and sizes of Ni single crystals in the obtained metallic shells depended on the pH of the plating solution. It was found that the microcapsules prepared at high pH values (8.0 and 10.0) were characterized by ferromagnetic properties, whereas those synthesized at low pH values (4.7 and 6.0) were superparamagnetic. The produced microcapsules have potential applications as magnetic responsive carriers of phase change materials, which can be easily transferred to a desired place by applying external magnetic field.",
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N2 - Metal-coated microcapsules with tunable magnetic properties, which contained liquid cores and metallic Ni–P alloy shells, were synthesized via electroless plating. The fabrication process consisted of emulsification, phase separation, and electroless Ni plating stages. The material composition and sizes of Ni single crystals in the obtained metallic shells depended on the pH of the plating solution. It was found that the microcapsules prepared at high pH values (8.0 and 10.0) were characterized by ferromagnetic properties, whereas those synthesized at low pH values (4.7 and 6.0) were superparamagnetic. The produced microcapsules have potential applications as magnetic responsive carriers of phase change materials, which can be easily transferred to a desired place by applying external magnetic field.

AB - Metal-coated microcapsules with tunable magnetic properties, which contained liquid cores and metallic Ni–P alloy shells, were synthesized via electroless plating. The fabrication process consisted of emulsification, phase separation, and electroless Ni plating stages. The material composition and sizes of Ni single crystals in the obtained metallic shells depended on the pH of the plating solution. It was found that the microcapsules prepared at high pH values (8.0 and 10.0) were characterized by ferromagnetic properties, whereas those synthesized at low pH values (4.7 and 6.0) were superparamagnetic. The produced microcapsules have potential applications as magnetic responsive carriers of phase change materials, which can be easily transferred to a desired place by applying external magnetic field.

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