全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

超顺磁性Fe3O4纳米粒子的制备和表征

, PP. 385-387

Keywords: Fe3O4,纳米粒子,制备,表征

Full-Text   Cite this paper   Add to My Lib

Abstract:

超顺磁性的Fe3O4纳米颗粒,因其具有许多独特的性质和潜在的应用前景,引起了人们的极大关注,是材料研究领域的一个持续热点.采用共沉淀法制得纳米Fe3O4,通过XRD、SEM等对样品进行表征,用VSM对样品进行磁性能测试.结果表明所得样品为纯反尖晶石结构的Fe3O4球形颗粒,平均粒径约为15nm.磁性能测试表明当外加磁场为6kOe时,Fe3O4纳米粒子的磁化达到饱和,饱和磁化强度为63A·m2·kg-1.在室温下,所制Fe3O4纳米粒子显示典型的超顺磁性,在生物医学、磁记录材料、磁流体复合材料、催化剂等方面有着潜在的应用前景.

References

[1]  刘吉平,廖莉玲. 无机纳米材料\[M\]. 北京:科学出版社,2003:16-21.
[2]  张姝,赖欣,毕剑,等. 纳米材料制备技术及其研究进展\[J\]. 四川师范大学学报:自然科学版,2001,24(5):516-519.
[3]  Nedkov I, Merodiiska T, Slavov L, et al. Surface oxidation, size and shape of nano-sized magnetite obtained by co-precipitation\[J\]. J Magn Magn Mater,2006,300(2):358-367.
[4]  海岩冰,袁红雁,肖丹. 微波法制备纳米Fe3O4\[J\]. 化学研究与应用,2006,18(6):744-746.
[5]  高道江,赖欣,王建华. 磁性流体制备技术的现状与展望\[J\]. 磁性材料及器件,1998,29(2):20-23.
[6]  Peng J, Zou F, Liu L, et al. Preparation and characterization of PEG-PEI/Fe3O4 nano-magnetic fluid by co-precipitation method\[J\]. Transactions of Nonferrous Metals Society of China,2008,18(2):393-398.
[7]  Xu H, Tong N H, Cui L L, et al. Preparation of hydrophilic magnetic nanospheres with high saturation magnetization\[J\]. J Magn Magn Mater,2007,311(1):125-130.
[8]  Shen Y F, Tang J, Nie Z H, et al. Bioresource Technology,2009,100(18):4139-4146.
[9]  Kim K D, Kim S S, Choa Y H, et al. J Ind Eng Chem,2007,13(7):1137-1141.
[10]  Sun L, Huang C, Gong T, et al. Materials Science and Engineering C,2010,30(4):583-589.
[11]  Kim D K, Mikhaylova M, Zhang Y, et al. Protective coating of superparamagnetic iron oxide nanoparticles\[J\]. Chem Mater,2003,15(8):1617-1627.
[12]  Hong R Y, Li J H, Li H Z, et al. J Magn Magn Mater,2008,320(9):1605-1614.
[13]  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(4):619-624.
[14]  Thapa D, Palkar V R, Kurup M B, et al. Mater Lett,2004,58(21):2692-2694.
[15]  李发伸,王涛,王颖. H2O2氧化法制备Fe3O4纳米颗粒及与共沉淀法制备该样品的比较\[J\]. 物理学报,2005,54(7):3100-3105.
[16]  Corr S A, Rakovich Y P, Gun’ko Y K. Multifunctional magnetic-fluorescent nanocomposites for biomedical applications\[J\]. Nanoscale Research Letters,2008,3(3):87-104.
[17]  赖欣,毕剑,高道江. Fe3O4磁流体的制备\[J\]. 磁性材料及器件,2000,31(3):15-18.
[18]  莫志宏,饶通德,杨小超. 基于表面修饰聚丙烯酸合成超顺磁/荧光纳米复合粒子\[J\]. 高等学校化学学报,2009,30(9):1881-1884.
[19]  Khan A. Preparation and characterization of magnetic nanoparticles embedded in microgels\[J\]. Mater Lett,2008,62(6/7):898-902.
[20]  Wang W, Xu Y, Wang D I C, et al. Recyclable nanobiocatalyst for enantioselective sulfoxidation:Facile fabrication and high performance of chloroperoxidase-coated magnetic nanoparticles with iron oxide core and polymer shell\[J\]. J Am Chem Soc,2009,131(36):12892-12893.
[21]  李享,杨海滨. 纳米Fe3O4颗粒制备进展\[J\]. 材料导报,2006,20(Z1):145-148.
[22]  Balakrishnan S, Gun’ko Y K, Perova T S, et al. Dendrite-like self-assembly of magnetite nanoparticles on porous silicon\[J\]. Small,2006,2(7):864-869.
[23]  Nyir-Kósa I, Nagy D C, Pósfai M. Eur J Mineral,2009,21(2):293-302.
[24]  Douziech-Eyrolles L, Marchais H, Hervé K, et al. International J Nanomedicine,2007,2(4):541-550.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133