Chemical reactivity of hydrogen-terminated crystalline silicon surfaces

被引：121

作者：

Boukherroub, Rabah

机构：

[1] Inst Rech Interdisciplinaire, F-59652 Villeneuve Dascq, France

[2] Inst Elect Microelect & Nanotechnol, F-59652 Villeneuve Dascq, France

来源：

CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE | 2005年 / 9卷 / 1-2期

关键词：

hydrogen-terminated crystalline silicon; organic monolayers; silicon hybrids; reaction mechanism; electrical characterization; biomolecule immobilization; detection;

D O I：

10.1016/j.cossms.2006.03.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Chemical functionalization of hydrogen-terminated silicon surfaces holds considerable promise from both fundamental and applied research aspects. This article covers a selection of examples concerning the proposed strategies for chemical grafting of different organic functionalities and further immobilization of biological molecules on the surface through covalent bonding. From the fundamental view point, the reaction mechanism is discussed in terms of electron-hole pair excitons generation or formation of delocalized radical cations at the silicon surface for the light-induced surface hydrosilylation. The electronic properties of the silicon/organic monolayer interface are investigated in details and direct detection of DNA hybridization using electrochemical means is presented. (c) 2006 Elsevier Ltd. All rights reserved.

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页码：66 / 72

页数：7

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