Journal
JOURNAL OF ELECTRONIC MATERIALS
Volume 45, Issue 5, Pages 2576-2581Publisher
SPRINGER
DOI: 10.1007/s11664-016-4424-6
Keywords
Microfluidic; microreactor; magnetic nanoparticles; co-precipitation
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Funding
- Vietnam Academy of Science and Technology (VAST) [03.01/15-16]
- National Foundation for Science and Technology Development (NAFOSTED) [104.04-2014.36]
- University of Science and Technology of Ha Noi [Nano 1]
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In this work, we have developed a convenient approach to synthesize magnetic nanoparticles with relatively high magnetization and controllable sizes. This was realized by combining the traditional co-precipitation method and microfluidic techniques inside microfluidic devices. The device was first designed, and then fabricated using simplified soft-lithography techniques. The device was utilized to synthesize magnetite nanoparticles. The synthesized nanomaterials were thoroughly characterized using field emission scanning electron microscopy and a vibrating sample magnetometer. The results demonstrated that the as-prepared device can be utilized as a simple and effective tool to synthesize magnetic nanoparticles with the sizes less than 10 nm and magnetization more than 50 emu/g. The development of these devices opens new strategies to synthesize nanomaterials with more precise dimensions at narrow size-distribution and with controllable behaviors.
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