期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 16, 页码 8650-8658出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b00904
关键词
Fe3O4@Au; core-shell nanoparticle; self-assembly; magnetoplasmonic nanoparticle; nanochain
资金
- Korea Healthcare Technology RD Project [HI13C0862]
- Ministry for Health, Welfare Family Affairs
- basic research funds [NRF-2013R1A1A4A01004637]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2014R1A1A2007222]
- National Research Foundation of Korea [2014R1A1A2007222] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
One-dimensional magnetoplasmonic nanochains (MPNCs) were self-assembled using Au-coated Fe3O4 coreshell superparamagnetic nanoparticles (Fe3O4@Au NPs) by applying an external static magnetic field. The assembly mechanism of the Fe3O4@Au NPs was investigated thoroughly, revealing that substrateparticle interactions, van der Waals forces, and magnetic forces play important roles in the formation and control of the MPNCs. Magnetic force microscopy (MFM) and vibrating sample magnetometry (VSM) were used to study the magnetic properties of the MPNCs, which were compared with those of Fe3O4 nanochains.
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