Controlled synthesis of monodisperse core–shell γ‐Fe 2 O 3 @SiO 2  nanoparticles with well‐dispersed γ‐Fe 2 O 3  seeds | Zendy

Li Keran | Zendy; Yan Jiahe | Zendy; Luo Lang | Zendy; He Zhiheng | Zendy; Zhou Lingling | Zendy; Gao Feng | Zendy

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Controlled synthesis of monodisperse core–shell γ‐Fe 2 O 3 @SiO 2 nanoparticles with well‐dispersed γ‐Fe 2 O 3 seeds

Author(s) -

Li Keran,

Yan Jiahe,

Luo Lang,

He Zhiheng,

Zhou Lingling,

Gao Feng

Publication year - 2020

Publication title -

micro and nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.25

H-Index - 31

ISSN - 1750-0443

DOI - 10.1049/mnl.2019.0626

Subject(s) - dispersity , nanoparticle , materials science , nanotechnology , chemical engineering , engineering , polymer chemistry

Fe 2 O 3 @SiO 2 nanoparticles with well‐dispersed γ‐Fe 2 O 3 seeds were prepared in aqueous solution using a simple one‐step method. Transmission electron microscopy, X‐ray diffraction analysis, and Raman spectrum were used to characterise the morphology and structure of γ‐Fe 2 O 3 and γ‐Fe 2 O 3 @SiO 2 nanoparticles. The concentration of tetramethylammonium hydroxide (TMAOH) was found to be very influential in the control of the morphology of γ‐Fe 2 O 3 @SiO 2 nanoparticles. Water‐soluble monodisperse γ‐Fe 2 O 3 @SiO 2 nanoparticles with well‐dispersed γ‐Fe 2 O 3 seeds were successfully synthesised when the concentration of TMAOH is 0.015 M.

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