采用水合肼为还原剂,氯化镍为原料,在水和乙醇混合介质中,通过化学还原法制备了单分散性的金属镍纳米粉.X射线衍射(XRD)结果表明,所制备的样品是纯镍纳米粉,没有杂相存在.场发射扫描电子显微镜(FE-SEM)的结果表明,所制备样品的粒径均匀.纳米镍粉及纳米镍粉与微米镍粉混合的电磁屏蔽涂料的电磁屏蔽效能测量结果表明,纳米镍粉的加入,虽然会降低电磁屏蔽效能,但却能提高吸收损耗,原因是增大了磁损耗角正切,减少了电磁波对环境、设备造成的破坏及人类健康的危害.
参考文献
| [1] | Fendler J H .Atomic and molecular clusters in membrane mimetic chemistry[J].Chemical Reviews,1987,87(05):877. |
| [2] | Schmid G .Large clusters and colloids,metals in the embryonic state[J].Chemical Reviews,1992,92(08):1709. |
| [3] | Kamat P V .Photochemistry on nonreactive and reactive (semiconductor) surfaces[J].Chemical Reviews,1993,93(01):1267. |
| [4] | Lewis L N .Chemical catalysis by colloids and clusters[J].Chemical Reviews,1993,93(08):2693. |
| [5] | B. C. Gates .Supported Metal Clusters: Synthesis, Structure, and Catalysis[J].Chemical Reviews,1995(3):511-522. |
| [6] | Laura L.Beecroft;Christopher K.Ober .Nanocomposite materials for optical applications[J].Chemistry of Materials,1997(6):1302-1317. |
| [7] | Schmid G.;Chi LF. .Metal clusters and colloids[J].Advanced Materials,1998(7):515-526. |
| [8] | Hodak J H;Henglein A;Giersig M et al.Laser-induced inter-diffusion in AuAg core-shell nanoparticles[J].Journal of Physical Chemistry B,2000,104(49):11708. |
| [9] | Mizukoshi Y;Okitsu K;Maeda Y et al.Sonochemical preparation of bimetallic nanoparticles of gold/palladium in aqueous solution[J].Journal of Physical Chemistry B,1997,101(36):7033. |
| [10] | Brust M;Walker M;Bethell D.Synthesis of thiol derivatised gold nanoparticles in a two-phase liquid/liquid system[J].Journal of the Chemical Society,Chemical Communications,1994:801. |
| [11] | Osseo-Asare K et al.Synthesis of nanosize particle in reverse microemulsions[J].British Ceramic Transactions,1990,12(02):3. |
| [12] | Kurihara L K;Chow G M;Schoen P E .Nanocrystalline metallic powders and filmucs proded by the polyol method[J].Nano-Structured Materials,1995,5(06):607. |
| [13] | Huang H H;Ni X P;Loy G L et al.Photochemical formation of silver nanoparticles in poly (N-vinylpyrrolidone)[J].Langmuir,1996,12(04):909. |
| [14] | 龚春红;田俊涛;张治军 .高浓度纳米镍的制备及其电磁屏蔽性能的研究[J].功能材料,2007,4(05):55. |
| [15] | 王俊,朱国辉,毛卫民.聚苯胺性状及其含量对镍粉/聚苯胺涂层屏蔽性能的影响[J].功能材料,2008(05):737-739,743. |
| [16] | 周诗文,陈文钦.吸波材料的电磁损耗及其制备的探讨[J].化学工程与装备,2008(03):54-55,53. |
| [17] | 李瑞琦,何世禹,初文毅.吸波涂层材料研究进展[J].兵器材料科学与工程,2006(03):76-80. |
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%