欢迎登录材料期刊网

材料期刊网

高级检索

利用2-吡咯烷酮和乙酰丙酮铁为原料制备出Fe3O4磁性纳米粒子,选择偶联剂γ-氨丙基三乙氧基硅烷(NH2C3H6Si(OC2H5)3)对磁性材料进行了表面修饰.经XRD、TEM、VSM、FT-IR测试结果表明,制备出的Fe3O4磁性纳米粒子粒径均一(8~10nm)、结晶度高、磁响应较强;通过控制反应回流时间,可以改变粒子的大小;经表面改性以后,-OH、-NH、-NH2、-C-O、-C-OH等多种功能基团负载到磁性Fe3O4纳米粒子表面,增强了微球的生物相容性.

参考文献

[1] Petez J M;Simeone F J;Saski Y et al.[J].Journal of the American Chemical Society,2003,125:10192.
[2] Yang H H;Zhang S Q;Chen X L et al.[J].Analytical Chemistry,2004,76:1316.
[3] Li Zhen;Wei Li;Gao Mingyuan et al.[J].Advanced Materials,2005,17:1001.
[4] Harris LA.;Goff JD.;Carmichael AY.;Riffle JS.;Harburn JJ.;St Pierre TG.;Saunders M. .Magnetite nanoparticle dispersions stabilized with triblock copolymers[J].Chemistry of Materials,2003(6):1367-1377.
[5] Kumar RV.;Xu XN.;Yeshurun Y.;Gedanken A.;Felner I.;Koltypin Y. .Fabrication of magnetite nanorods by ultrasound irradiation[J].Journal of Applied Physics,2001(11 Pt.1):6324-6328.
[6] Rockenberger J;Scher E C;Alivisatos P A .[J].Journal of the American Chemical Society,1999,121:11595.
[7] Sun S H;Zeng H .[J].Journal of the American Chemical Society,2002,124:8204.
[8] Hyeon T;Lee S S;Park J et al.[J].Journal of the American Chemical Society,2001,123:12798.
[9] Liu X;Ma Z;Xing J et al.[J].Journal of Magnetism and Magnetic Materials,2004,270:1.
[10] Shen Xingcan;Fang Xiuzhong;Zhou Yinghua et al.[J].Chemistry Letters,2004,33:1468.
[11] Vestal R;Zhang Z J .[J].Journal of the American Chemical Society,2003,125:9828.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%