期刊
ULTRASONICS SONOCHEMISTRY
卷 64, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ultsonch.2020.104962
关键词
Graphene oxide; Magnetite nanoparticle; Hybridization; Hydrophobic interaction; Ultrasound
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2019R1F1A1063622]
- Human Resources Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) - Korea government Ministry of Trade, industry Energy (MOTIE) [20184030202260]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20184030202260] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We fabricated a magnetite nanoparticle-graphene oxide (GO) hybrid via a non-chemical and one-step process assisted by ultrasound in an aqueous solution where the nanoparticle attached to the hydrophobic region on graphite oxide (multi-layered GO) which, at the same time, was exfoliated. Unlike chemical methods such as precipitation, oxygen-containing functional groups on GO have not been consumed or reduced during the hybridization, leading that this hybrid exhibited good water solubility and high adsorption capacity for heavy metal ions such as Pb(II) and Au(III). After the adsorption, the hybrid was instantly collected using a magnet. This method can be useful for hybridizing various nanoparticles with GO.
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