采用化学共沉淀法制备了纳米磁性Fe3O4粒子.选用NH3@H2O作为沉淀剂,加入到Fe2+和Fe3+的混合溶液中,制得了纳米磁性Fe3O4粒子.考察了Fe2+和Fe3+溶液浓度、沉淀剂的浓度、Fe2+/Fe3+/OH-、温度及搅拌速度等因素对产物粒径及性能的影响,并对其进行了初步的性能表征.
参考文献
[1] | Khollam Y B;Dhage S R;Potdar H S et al.Microwave hydrothermal preparation of submicron-sized spherical magnetite powders[J].Materials Letters,2002,56:571. |
[2] | MOLDAY .Magnetic iron-dextran microspheres[P].US Pat,4452773,1984. |
[3] | Cordula Grüttner;Sandra Rudershausen;Joachim Teller .Improved properties of magnetic particles by combination of different polymer materials as particle matrix[J].Journal of Magnetism and Magnetic Materials,2001,225:17. |
[4] | Jhunu Chatterjee;Yousef Haik;Chen Ching Jen .Modification and characterization of polystyrene-based magnetic microspheres and comparison with albumin-based magnetic microspheres[J].Journal of Magnetism and Magnetic Materials,2001,225:21. |
[5] | Ozaki M .Preparation and properties of well-defined magnetic particles[J].Materials Research Bulletin,1989,14(10):35. |
[6] | 丁明;曾桓兴 .中和沉淀法Fe3O4的生成研究[J].无机材料学报,1998,13(04):619. |
[7] | 王全胜.沉淀氧化法制备Fe3O4的影响因素研究[J].北京理工大学学报,1994(02):200. |
[8] | Fan R;Chen X H;Gui Z et al.A new simple hydrothermal preparation of nanocrystalline magnetite Fe3O[J].Materials Research Bulletin,2001,36:497. |
[9] | 都有为,陆怀先,顾新运.Fe3O4生成过程的研究[J].应用科学学报,1985(03):267-273. |
[10] | 沈钟;王果庭.胶体与表面化学[M].北京:化学工业出版社,1997 |
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:
-
10%
-
20%
-
30%
-
40%
-
50%