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Articles

Analysis of factors affecting preparation of magnetic Fe3O4@PS nanospheres

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Pages 137-141 | Received 01 Feb 2019, Accepted 05 Feb 2019, Published online: 19 Jul 2019
 

Abstract

In this paper, Fe3O4@PS magnetic nanospheres were synthesized by miniemulsion polymerization under different reaction conditions, and their microstructures were observed by transmission electron microscopy. The results show that the shape of magnetic nanospheres changes with temperature and stirring rate. The appearance will also change. We obtained the best morphology when the temperature is 70 °C and the stirring rate is 200 rpm. The particle size of Fe3O4@PS nanospheres with superparamagnetism is about 120 ∼ 150 nm.

Additional information

Funding

This study was funded by the National Natural Science Foundation of China (21675091, 21574072, 21874078), the Taishan Young Scholar Program of Shandong Province (tsqn20161027), the Major Science and Technology Innovation Project of Shandong Province (2018CXGC1407), the Key Research and Development Project of Shandong Province (2016GGX102028, 2016GGX102039, 2017GGX20111), the Project of Shandong Province Higher Educational Science and Technology Program (J15LC20), the People's Livelihood Science and Technology Project of Qingdao (166257nsh, 173378nsh), the Innovation Leader Project of Qingdao (168325zhc), and the First Class Discipline Project of Shandong Province.

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