Tuning the chemical selectivity of SWNT-FETs for detection of heavy-metal ions

被引：49
作者：
Forzani, Erica S.
Li, Xiulan
Zhang, Peiming
Tao, Nongjian [1 ]
Zhang, Ruth
Amlani, Islamshah
Tsui, Raymond
Nagahara, Larry A.
机构：
[1] Arizona State Univ, Ctr Solid State Elect Res, Tempe, AZ 85287 USA
[2] Arizona State Univ, Dept Elect Engn, Tempe, AZ 85287 USA
[3] Motorola Labs, Embedded Syst Res Ctr, Tempe, AZ 85287 USA
来源：
SMALL | 2006年 / 2卷 / 11期
关键词：
carbon nanotubes; field-effect transistors; heavy metals; ions; sensors;
D O I：
10.1002/smll.200600185
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A method to functionalize single-walled carbon nanotubes (SWNTs) in a field-effect transistor (FET) device for the selective detection of heavy-metal ions is presented. In this method, peptide-modified polymers were electrochemically deposited onto SWNTs and the selective detection of metal ions was demonstrated by choosing appropriate peptide sequences. The signal transduction mechanism of the peptide-modified SWNT-FETs has also been studied.
引用
收藏
页码：1283 / 1291
页数：9
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