Journal of Materials Science

, Volume 52, Issue 17, pp 10163–10174 | Cite as

Rational synthesis and tailored optical and magnetic characteristics of Fe3O4–Au composite nanoparticles

  • Yang Liu
  • Qiangwei Kou
  • Dandan Wang
  • Lei Chen
  • Yantao Sun
  • Ziyang Lu
  • Yuanyuan Zhang
  • Yaxin Wang
  • Jinghai YangEmail author
  • Scott Guozhong XingEmail author
Chemical routes to materials


To minimize saturation magnetization (Ms) degradation and simultaneously maintain the optical and magnetic responsiveness characteristics of Fe3O4/Au nanocomposites, we successfully prepared Fe3O4–Au seeds composite nanoparticles (NPs) by a novel seed deposition process. The effects of gold seeds coating amounts and the concentration of Fe3O4 NPs on the morphologies of final products are extensively characterized. The results of energy-dispersive spectrometry mapping show that the gold seeds are uniformly adhered onto the Fe3O4 NPs surfaces in precisely controlled amount. Importantly, with the electronic redistribution between Fe3O4 and Au NPs interfaces, the obvious position shifting of Fe 2p and Au 4f electronic binding energy peaks is observed. Upon increasing surface coatings of gold seeds, the electron deficiency on the gold NPs leads to the redshift of the absorption peak. Though Ms declines slightly due to the diamagnetic contribution from decorated gold seeds, the developed Fe3O4–Au seeds composite NPs possess the robust magnetic responsiveness and they are amenable to be separated and recycled by the external magnet, which facilitates great potential applications in biological, medical and photocatalytic fields.



This work was supported by the National Natural Science Foundation of China (Grant Numbers 21676115, 61575080, 61675090, 61405072, 51609100 and 21546013); Program for the development of Science and Technology of Jilin province (Grant Numbers 20160101287JC, 20150519024JH, 20150520015JH and 20140519003JH); and Technology of Education Department of Jilin Province (Grant Number JJKH20170374KJ).

Supplementary material

10853_2017_1200_MOESM1_ESM.docx (428 kb)
Supplementary material 1 (DOCX 428 kb)


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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  • Yang Liu
    • 1
    • 2
  • Qiangwei Kou
    • 1
    • 2
  • Dandan Wang
    • 3
  • Lei Chen
    • 1
    • 2
  • Yantao Sun
    • 1
    • 2
  • Ziyang Lu
    • 4
  • Yuanyuan Zhang
    • 1
    • 2
  • Yaxin Wang
    • 1
    • 2
  • Jinghai Yang
    • 1
    • 2
    Email author
  • Scott Guozhong Xing
    • 5
    Email author
  1. 1.College of PhysicsJilin Normal UniversitySipingChina
  2. 2.Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of EducationJilin Normal UniversityChangchunChina
  3. 3.Technology Development DepartmentGLOBALFOUNDRIES (Singapore) Pte. Ltd.SingaporeSingapore
  4. 4.School of Environment and Safety EngineeringJiangsu UniversityZhenjiangChina
  5. 5.United Microelect Corp. Ltd.SingaporeSingapore

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