采用电位-电容法结合Mott-Schottky分析技术研究了自腐蚀电位条件下20号碳钢在酸、碱和盐溶液中的半导体导电行为.结果表明,在腐蚀性介质作用下,随着时间和扫描电位的增加,20号钢空间电荷层电容(Capacitance of space claarge layer-Csc)变化规律不同.20号碳钢在5‰硫酸溶液和5%硫酸钠溶液中呈现p型半导体导电特征,而在5%氢氧化钠溶液中,20号钢表面形成了两个空间电荷层结构,呈n型半导体特征.
参考文献
| [1] | 钟庆东,郑金,徐乃欣,等.防锈油膜失效过程中的导电行为转变[J].腐蚀科学与防护技术,2004,16(2):83. |
| [2] | 钟庆东,郑仓,徐乃欣,等.防锈油膜在5%Na2SO4溶液中的半导体导电行为[J].腐蚀科学与防护技术,2004,16(5):276. |
| [3] | Zhong Qingdong,Michael Rohwerder,Zhang Zhao,et al.Semiconducting behavior of temporarily protective oil coating on the surface of AISI 304 stainless steel in 5%Na2SO4 solution during its degradation[J].Journal of The Electrochemical Society,2004,151(7):B446. |
| [4] | 朱猛,白雪冬,黄荣芳,等.In2O3:Sn和ZnO:Al透明导电薄膜的结构及其导电机制[J].半导体学报,2000,21(4):394. |
| [5] | Yoichi Tominaga,Naomi Takizawa,Hiroyuki Ohno.Effect of added salt species on the ionic conductivity of PEO/sulfonamide salt hybrids[J].Electrechimiea Acta,2000,45(8-9):1285. |
| [6] | 雷彤,赵孔双.导电高分子膜的电化学阻抗谱研究进展[J].化学通报,2001,64(1):11. |
| [7] | A J巴德,L R福克纳著,邵元华,朱果逸,董献堆,等译,电化学方法:原理和应用(第二版)[M].北京:化学工业出版社,2005.511. |
| [8] | B D Cahan,C T Chen.The nature of the passive film on iron Ⅱ.AC impedance studies[J].J.Electrechem.Soc.,1982,129(3):474. |
| [9] | B D Cahan,C T Chen.The nature of the passive film on iron Ⅲ.The chemi-conductor model and further supporting evidence[J].J.Electroehem.Soc.,1982,129(5):921. |
| [10] | R N Bhattacharya,P Pramanik.Semiconductor liquid junction solar cell based on chemically deposited Bi2S3 thin film and some semiconducting properties of Bismuth chalcogenides[J].J.Electrochem.Soc.,1982,129(2):332. |
| [11] | S Silverman,G Cragnolino,D D Macdonald.An ellipsometric investigation of passive films formed On Fe-25Ni-xCr alloys in borate buffer solution[J].J.Electrochem.Soc.,1982,129(11):2419. |
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%