由乳液聚合法得到的聚(2,5-二甲氧基苯胺)(PDMAn)制作导电聚合物膜修饰电极,并在其上用电化学法沉积Pt微粒,SEM与XRD用于表征其表面形态与晶面取向,同时研究异丙醇在金属化PDMAn膜修饰电极上的氧化行为.结果表明,Pt在PDMAn膜上的沉积呈现(200)晶面择优取向的现象,而且聚合物掺杂后,电化学活性增强,沉积Pt微粒的尺寸和粒径分布也发生变化.金属化聚合物电极是一种微相异相催化体系,虽然异丙醇的氧化主要发生在Pt微粒上,但聚合物不单纯作为金属微粒的分散介质,对铂微粒的性质也产生影响.
参考文献
| [1] | DAI Li-Zong(戴李宗),WU Hui-Huang(吴辉煌).Dianhuaxue(电化学),1998,4(3):241 |
| [2] | Vork F T A,Barendrecht E. Electrochim Acta,1990,35:135 |
| [3] | Gholamian M, Contractor A Q. J Electroanal Chem ,1990, 289 : 69 |
| [4] | Bose C S C,Rajeshwar K. J Electroanal Chem,1992,333:235 |
| [5] | Yamato H,Koshiba T,Ohwa M et al. Synth Met,1997,87:231 |
| [6] | Merz A. In:Steckham E, Edr. Topics in Current Chemistry. Berlin: Springer Verlag, Vol. 152,1990:49 |
| [7] | DONG Shao-Jun(董绍俊),CHE Guang-Li(车广礼),XIE Yuan-Wu(谢远武).Chemical Modified Electrodes(化学修饰电极).Beijing(北京):Science Press(科学出版社),1995:167 |
| [8] | Wang J A,Bokhimi X,Novaro O et al. J Mol Catalysis A-Chemical, 1999,137 (1-3): 239 |
| [9] | Sun S G, Lin Y. J Electroanal Chem, 1994,375:401 |
| [10] | Gonzales M J,Hable C T,Wrighton M S. J Phys Chem B,1998,102(49) :9 881 |
| [11] | Pastor E,Gonzalez S, A. Arvia J. J Electroanal Chem,1995,395:233 |
| [12] | Sun S G,Lin Y. Electrochim Acta,1998,44(6～7):1 153 |
| [13] | DAI Li-Zong(戴李宗).Doctoral Dissertation([博士学位论文]).Xiamen(厦门):Xiamen University (厦门大学),1999 |
| [14] | Kalaji M,Nyholm L,Peter L M. J Electroanal Chem, 1991,313:271 |
| [15] | Inzelt G,Horanri G. Electrochim Acta,1990,35:27 |
| [16] | D′Aprano G, Leclerc M. J Electroanal Chem,1993,351:145 |
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%