采用超声波钯盐溶液浸渍-高温氧化还原法活化多孔α-Al2O3载体,然后在其上进行化学镀,制得Pd/α-Al2O3复合膜.采用扫描电镜(SEM)表征了钯膜的微观结构,并考察了化学镀条件对钯膜微观结构的影响.结果表明在化学镀条件下基于钯晶粒的类柱状沉积而形成钯膜:钯晶粒的类柱状沉积柱径随着化学镀温度和化学镀时间的增加而增大,镀液中氯化钯浓度对其影响较小.
参考文献
| [1] | Li AW.;Hughes R.;Liang WQ. .Characterisation and permeation of palladium stainless steel composite membranes[J].Journal of Membrane Science,1998(2):259-268. |
| [2] | Yeung K.L.;Varma A.;Christiansen S.C. .Palladium composite membranes by electroless plating technique relationships between plating kinetics, film microstructure and membrane performance[J].Journal of Membrane Science,1999(1):107-122. |
| [3] | K.L. Yeung;J.M. Sebastian;A. Varma .Novel preparation of Pd/Vycor composite membranes[J].Catalysis Today,1995(3/4):231-236. |
| [4] | Shi ZL;Wu SQ;Szpunar JA;Roshd M .An observation of palladium membrane formation on a porous stainless steel substrate by electroless deposition[J].Journal of Membrane Science,2006(1/2):705-711. |
| [5] | Jayaraman V.;Lin YS. .SYNTHESIS AND HYDROGEN PERMEATION PROPERTIES OF ULTRATHIN PALLADIUM-SILVER ALLOY MEMBRANES[J].Journal of Membrane Science,1995(3):251-262. |
| [6] | 蒋柏泉,顾騋,余强.渗透压对化学镀自催化共沉积钯银的影响[J].膜科学与技术,2003(05):10-14. |
| [7] | 王和义,傅依备,邢丕峰,傅中华,黄玮.浆料涂敷-化学镀技术在微孔陶瓷表面沉积钯银合金膜[J].膜科学与技术,2000(04):25-29. |
| [8] | Souleimanova R S;Mukasyari A S;Varma A .Study of structure formation during electroless plating of thin metal-composite membrane[J].China Eng Sci,1999,54:3369-3377. |
| [9] | Cheng Y S;Yeung K L .Effects of electroless plating chemistry on the synthesis of palladitan membranes[J].Journal of Membrane Science,2001,182:195-203. |
| [10] | 郭杨龙;卢冠忠;汪仁 .改进制备钯/陶瓷复合膜化学镀新工艺[J].华东理工大学学报(自然科学版),1998,24(06):727-730. |
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%