引用本文:
孙乔玉, 黄吉儿, C. Henry de Villeneuve, 力虎林, P. Allongue. 醇类在Si-H表面形成单分子膜的特性[J]. 应用化学,
2003, 20(6): 557-561.
Citation: SUN Qiao-Yu, HUANG Ji-Er, C. Henry de Villeneuve, LI Hu-Lin, Allongue Philippe. Properties of the Monolayer Derived by Alcohols on Si(111)-H Surface[J]. Chinese Journal of Applied Chemistry, 2003, 20(6): 557-561.
Citation: SUN Qiao-Yu, HUANG Ji-Er, C. Henry de Villeneuve, LI Hu-Lin, Allongue Philippe. Properties of the Monolayer Derived by Alcohols on Si(111)-H Surface[J]. Chinese Journal of Applied Chemistry, 2003, 20(6): 557-561.
醇类在Si-H表面形成单分子膜的特性
摘要:
以界面电容分析法为主并结合XPS、AFM技术研究了醇类分子在Si(111)-H表面上形成的有机单分子膜的特性。并探讨了嫁接反应中影响单分子膜特性的某些因素和单分子膜的稳定性及其对硅表面氧化的钝化作用。在所选择的反应条件下,不同链长醇分子修饰的硅表面上,嫁接分子所占体积分数约为80%,平带电位约为-1.00 V(vs.SSE)。研究表明,这类膜稳定性和对硅表面氧化的钝化作用非常有限。
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关键词:
- Si(111)-H表面
- / 单分子膜
- / 醇类
English
Properties of the Monolayer Derived by Alcohols on Si(111)-H Surface
Abstract:
The properties of the organic monolayers formed by grafting of alcohols on the Si(111)-H surface have been investigated by interface capacity analysis,combined with XPS and AFM technique.Some factors influencing the properties of the monolayers,their stability and passivation towards oxidation of silicon surface were examined.The results showed that under the reaction conditions used,the grafted molecules occupied about 0.80 volume fraction on the silicon surface modified by alcohol molecules of different chain length,with plat potential being about -1.00 V/(vs.SSE).The results demonstrated that the stability and passivation of these monolayers are deficient.
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Key words:
- Si(111)-H surface
- / monolayer
- / alcohol
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