Novel doping for synthesis monodispersed TiO2 grains filled into spindle-like hematite bi-component nanoparticles by ion implantation | Zendy

Li Sun | Zendy; Wei Wu | Zendy; Shihua Zhang | Zendy; J Zhou | Zendy; G.X. Cai | Zendy; Feng Ren | Zendy; Xiangheng Xiao | Zendy; Zhigao Dai | Zendy; Changzhong Jiang | Zendy

Open Access

Novel doping for synthesis monodispersed TiO2 grains filled into spindle-like hematite bi-component nanoparticles by ion implantation

Author(s) -

Li Sun,

Wei Wu,

Shihua Zhang,

J Zhou,

G.X. Cai,

Feng Ren,

Xiangheng Xiao,

Zhigao Dai,

Changzhong Jiang

Publication year - 2012

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4755783

Subject(s) - superparamagnetism , hematite , materials science , doping , nanotechnology , nanoparticle , context (archaeology) , nanoreactor , magnetization , component (thermodynamics) , magnetic nanoparticles , photocatalysis , magnetic semiconductor , semiconductor , chemical engineering , optoelectronics , chemistry , catalysis , metallurgy , magnetic field , organic chemistry , paleontology , physics , quantum mechanics , engineering , biology , thermodynamics

The synthesis of multifunctional nanoparticles (NPs) that combine some of the unique physical and chemical characteristics of two or more classes of materials is still a key goal in modern materials chemistry and has attracted substantial interests in recent years. In that context, magnetic monodispersed TiO2 grains filled into spindle-like hematite bi-component NPs were synthesized by ion implantation. The α-Fe2O3/TiO2 bi-component NPs present superparamagnetism at room temperature, and its saturation magnetization was enhanced from 0.53 emu/g (α-Fe2O3 seeds) to 3.55 emu/g. The proposed doping synthesis method allows for fabricating the other bi- or multi-component NPs. The magnetic α-Fe2O3/TiO2 would be acted as “nanoreactors” and provide a promising composite photocatalyst with narrow and wide bandgap semiconductors in the future

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