以氯化钯为原料，聚乙烯吡咯烷酮(PVP)为分散剂，聚乙二醇400(PEG)为还原剂，反应温度为150℃，成功制备出纳米钯活化液。采用激光动态散射和透射电子显微镜对纳米钯进行了表征。结果显示，在PVP分散剂的作用下，得到的纳米钯为球形、单晶、粒径为30～50 nm，无其他的氧化物存在。探讨了分散剂对合成纳米钯的影响，在还原剂PEG和分散剂PVP共同作用下，制备的纳米钯粒径大小均一，无团聚现象。
A nano-palladium activator was successfully prepared by the reaction of palladium chloride with dispersing agent PVP (polyvinylpyrrolidone) and reducing agent PEG400 (polyethylene glycol) at 150℃. DLS (dynamic laser scattering) and TEM (transmission electron microscopy) were used to characterize the nano-palladium. It showed that the obtained nano-palladium was spherical, single crystal and diameter 30~50 nm due to the dispersant effect of PVP. Palladium oxide did not exist in it. The effects of dispersants were discussed. Under the both effects of reducing agent PEG and dispersing agents PVP, the nano-palladium particles with uniform size and without agglomerated were obtained.
参考文献
| [1] | 姜晓霞;沈伟化.化学镀论与实践[M].北京:国防工业出版社,2000 |
| [2] | 欧胜,刘彬云,郑雪明,王恒义.一种新型沉薄铜药水的研制[J].印制电路信息,2009(z1):186-191. |
| [3] | Li J;Lampner D .In-suit AFM study of pitting corrosion of Cu thin films[J].Colloids and Surfaces,1999,154(1/2):227-237. |
| [4] | Shipley C R .Method of electroless deposition on a substrate and catalyst solution therefore[P].US,3011920,1959-06-08. |
| [5] | Bladon JJ.;Lytle FW.;Sonnenberg W.;Robinson JN.;Philipose G.;Lamola A. .A PALLADIUM SULFIDE CATALYST FOR ELECTROLYTIC PLATING[J].Journal of the Electrochemical Society,1996(4):1206-1213. |
| [6] | Hirai H;Yakura N;Seta Y et al.Characterization of palladium nanoparticles protected with polymer as hydrogenation catalyst[J].Reactive & Functional Polymers,1998,37(1/3):121-131. |
| [7] | 曹茂盛;李大勇;荊天辅.纳米材料学[M].哈尔滨:哈尔滨工程大学出版社,2002 |
| [8] | Wong S;Kitaev V;Ozin G A .Colloidal crystal films:Advances in university and perfection[J].Journal of the American Chemical Society,2003,125(50):15589-15598. |
| [9] | Zhang ZT.;Hu LM.;Zhao B. .PVP PROTECTIVE MECHANISM OF ULTRAFINE SILVER POWDER SYNTHESIZED BY CHEMICAL REDUCTION PROCESSES[J].International Journal of Quantum Chemistry,1996(1):105-110. |
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