Influence of Triton X-100 on the characteristics of carbon nanotube field-effect transistors

被引：19
|
作者：
Li, JQ [1 ]
Zhang, Q
Li, H
Chan-Park, MB
机构：
[1] Nanyang Technol Univ, Ctr Microelect, Sch Elect & Elect Engn, Singapore 639798, Singapore
[2] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 639798, Singapore
来源：
NANOTECHNOLOGY | 2006年 / 17卷 / 03期
关键词：
D O I：
10.1088/0957-4484/17/3/009
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Triton X-100 is used as a surfactant to disperse carbon nanotube (CNT) bundles. Its influence on the transfer characteristics of carbon nanotube field-effect transistors (CNTFETs) fabricated with the dispersed CNTs by the AC dielectrophoresis technique has been studied. We find that the surfactant at the interface between the CNTs and Au electrodes can change the work function of the electrodes and therefore convert the CNTFETs from typical p-type to having ambipolar characteristics. The adsorbed surfactant between the CNTs and SiO2 results in a significant hysteresis in the transfer characteristics of the CNTFETs.
引用
收藏
页码：668 / 673
页数：6
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