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Citation: SUN Qiao-Yu, Henry de Villeneuv e Catherine, LI Hu-Lin, Philippe Allongue. Interfacial Differential Capacity Analysis for Evaluation of the Monolayers on Crystalline Silicon Surface[J]. Chinese Journal of Applied Chemistry, ;2002, 19(6): 539-543. shu

Interfacial Differential Capacity Analysis for Evaluation of the Monolayers on Crystalline Silicon Surface

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a College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000;
2.
b Laboratoire de Physique des Liquides et Elect rochimie, CNR S-UPR15 conventionné e avec l'Université P & M Curie, France

Corresponding author: LI Hu-Lin,
Received Date: 5 November 2001
Available Online: 6 March 2002
Fund Project:

The factors influenting the formation of organic monolayers derived by alkenes on hydrogen-termined silicon(111) and the passivation of the monolayer covered surface toward oxidation have been investigated preliminarily by using interfacial differential capacity analysis. The results demonstrated that the both reaction conditions and reactivity of the grafting molecules could affect the quality of the monolayers. In the conditions selected where the volume fraction of the grafted molecules was about 90% on the surface modified by alkenes, only limited passivation of monolayers toward oxidation was observed. The parameters of capacity properties of the organic monolayers formed with a series of alkene molecules on silicon(111) surface were also meassured.
- silicon surface,
- organic graft monolayer,
- interfacial differential capacity analysis
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