The collagen assisted self-assembly of silicon nanowires

被引：13

作者：

Salhi, Billel ^{[1
]}

Vaurette, Francois ^{[1
]}

Grandidier, Bruno ^{[1
]}

Stievenard, Didier ^{[1
]}

Melnyk, Oleg ^{[2
]}

Coffinier, Yannick ^{[3
]}

Boukherroub, Rabah ^{[3
]}

机构：

[1] IEMN, UMR8520, Dept ISEN, F-59046 Lille, France

[2] Univ Lille Nord France, Inst Pasteur Lille, UMR8161, IBL, F-59021 Lille, France

[3] IEMN, IRI, USR3078, F-59652 Villeneuve Dascq, France

来源：

NANOTECHNOLOGY | 2009年 / 20卷 / 23期

关键词：

CARBON NANOTUBES; ARRAYS; ELECTRONICS; NANOSTRUCTURES;

D O I：

10.1088/0957-4484/20/23/235601

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The paper reports on self-assembly of silicon nanowire junctions assisted by protocollagen, a low cost soluble long fiber protein and precursor of collagen fibrils. First, the collagen was combed on an octadecyl-terminated silicon surface with gold electrodes. Then the combed surface was exposed to an aqueous suspension of silicon nanowires. In order to increase electrostatic interactions between the positively charged collagen and the nanowires, the nanowires were chemically modified with negatively charged sulfonate groups. The interaction of collagen with the sulfonated nanowires, which mimics the native collagen/heparin sulfate interaction, induced self-assembly of the nanowires localized between gold electrodes. The proof of concept for the formation of spontaneous electrode-nanowire-electrode junctions using collagen as a template was supported by current-voltage measurements.

引用

页数：6

共 24 条

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