Flow sensing characteristics of thin film based on multi-wall carbon nanotubes

被引：0

作者：

Yunhuai, Zhang ^{[1
]}

Jian, He ^{[1
]}

Peng, Xian ^{[2
]}

Yun, Gong ^{[1
]}

机构：

[1] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 400030, Peoples R China

[2] Chongqing Univ, Coll Math & Phys, Chongqing 400030, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2007年 / 21卷 / 18-19期

关键词：

flow sensor; carbon nanotubes; thin film;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Multi-wall carbon nanotubes (MWNTs) thin film was synthesized and its sensing for different flowing solutions was investigated in this paper. The voltage generated from MWNTs thin film was in sublinear fashion and a new discovery in this paper is that the charge-to-mass ratio (q/m) of the ions is an important factor. The results were inconsistent with the conventional idea that a streaming potential is the efficient factor. New mechanism has been discussed about their effects on the charge of MWNTs and the sublinear response based on a pulsating ratchet model. This result would be indicative in nanoscale sensors, detectors and power cells.

引用

页码：3473 / 3476

页数：4

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