Piezoresistive effect in carbon nanotube films

LI Yong; WANG Wanlu; LIAO Kejun; HU Ghenguo; HUANG Zhi; FENG Qing

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Piezoresistive effect in carbon nanotube films

机译：碳纳米管薄膜的压阻效应

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摘要

The piezoresistive effect of the pristine carbon nanotube (CNT) films has been studied. Carbon nanotubes were synthesized by hot filament chemical vapor deposition. The piezoresistive effect in the pristine CNT films was studied by a three-point bending test. The gauge factor for the pristine CNT films under 500 microstrains was found to be at least 65 at room temperature, and increased with temperature, exceeding that of polycrystalline silicon (30) at 35 ℃. The origin of the piezoresistivity in CNT films may be ascribed to a pressure-induced change in the band gap and the defects.

机译：研究了原始碳纳米管（CNT）膜的压阻效应。碳纳米管通过热丝化学气相沉积法合成。通过三点弯曲试验研究了原始CNT膜中的压阻效应。发现在500微应变下原始CNT薄膜的规格系数在室温下至少为65，并且随温度增加而增加，超过了35℃的多晶硅（30）。 CNT膜中压阻的起源可能归因于带隙和缺陷的压力诱导变化。

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来源
《Chinese science bulletin》 |2003年第2期|p.125-127|共3页
作者
LI Yong; WANG Wanlu; LIAO Kejun; HU Ghenguo; HUANG Zhi; FENG Qing;
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作者单位

Department of Applied Physics, Chongqing University, Chongqing 400044, China;

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原文格式 PDF
正文语种 eng
中图分类自然科学现状及发展;
关键词
piezoresistive effect; carbon nanotubes; gauge factor; sensors;

机译：压阻效应;碳纳米管;应变系数;传感器;

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专利

1. Influence of aligned carbon nanotube networks on piezoresistive response in carbon nanotube films under in-plane straining [J] . Y. Miao, Q. Q. Yang, R. Sammynaiken, Applied Physics Letters . 2013,第23期

机译：取向碳纳米管网络对面内应变下碳纳米管薄膜压阻响应的影响
2. Two-probe versus van der Pauw method in studying the piezoresistivity of single-wall carbon nanotube thin films [J] . Yao Yanbo, Duan Xiaoshuang, Luo Jiangjiang, Nanotechnology . 2017,第44期

机译：双壁碳纳米管薄膜压阻率的双探针与van der Pauw方法
3. Characterizing the Conductivity and Enhancing the Piezoresistivity of Carbon Nanotube-Polymeric Thin Films [J] . Yingjun Zhao, Martin Schagerl, Christoph Viechtbauer, Materials . 2017,第7期

机译：表征导电性并增强碳纳米管 - 聚合物薄膜的压阻性
4. Compliant Interface Based on Carbon Nanotube Piezoresistive Films for Social Interaction [C] . Cyril Bounakoff, Jonathan Genest, Francois Michaud, ACM Conference on Human Factors in Computing Systems . 2018

机译：基于碳纳米管压阻膜的社交互动兼容界面
5. Carbon Nanotube Yarns: Tailoring Their Piezoresistive Response Towards Sensing Applications [D] . Anike, Jude Chinonso. 2018

机译：碳纳米管纱：针对传感应用定制其压阻响应。
6. Characterizing the Conductivity and Enhancing the Piezoresistivity of Carbon Nanotube-Polymeric Thin Films [O] . Yingjun Zhao, Martin Schagerl, Christoph Viechtbauer, 2017

机译：表征碳纳米管-聚合物薄膜的电导率并增强压阻
7. Engineering Crack Formation in Carbon Nanotube-Silver Nanoparticle Composite Films for Sensitive and Durable Piezoresistive Sensors [O] . 2016

机译：灵敏耐用的压阻传感器用碳纳米管-银纳米颗粒复合膜的工程裂纹形成

Piezoresistive effect in carbon nanotube films

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