A comprehensive study on the synthesis and paramagnetic properties of PEG―coated Fe3O4 nanoparticles

The PEG-coated Fe3O4 (PEG-Fe3O4) nanoparticles had been fabricated through chemical coprecipitation method. We comprehensively investigated the influence of different reaction conditions, such as vapor pressures with opening or sealing the beaker, molecular weights and amounts of PEG, on the structu...

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Veröffentlicht in:Applied surface science 2014-06, Vol.303, p.425-432
Hauptverfasser: Yang, Jinghai, Zou, Ping, Yang, Lili, Cao, Jian, Sun, Yunfei, Han, Donglai, Yang, Shuo, Wang, Zhe, Chen, Gang, Wang, Bingji, Kong, Xiangwang
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container_end_page 432
container_issue
container_start_page 425
container_title Applied surface science
container_volume 303
creator Yang, Jinghai
Zou, Ping
Yang, Lili
Cao, Jian
Sun, Yunfei
Han, Donglai
Yang, Shuo
Wang, Zhe
Chen, Gang
Wang, Bingji
Kong, Xiangwang
description The PEG-coated Fe3O4 (PEG-Fe3O4) nanoparticles had been fabricated through chemical coprecipitation method. We comprehensively investigated the influence of different reaction conditions, such as vapor pressures with opening or sealing the beaker, molecular weights and amounts of PEG, on the structural and paramagnetic properties of PEG-Fe3O4 nanoparticles. The well-dispersed magnetic PEG-Fe3O4 nanoparticles with better size distribution can be obtained with adding 4g PEG1000 while sealing the beaker. The possible growth mechanism was also discussed in detail.
doi_str_mv 10.1016/j.apsusc.2014.03.018
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subjects Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Coprecipitation
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Molecular weight
Nanoparticles
Physics
Sealing
Size distribution
Synthesis
Vapor pressure
title A comprehensive study on the synthesis and paramagnetic properties of PEG―coated Fe3O4 nanoparticles
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