Effect of Nanotube Aspect Ratio on Chemical Vapour Sensing Properties of Polymer/MWCNT Composites

G. Sakale; D. Jakovlevs; I. Aulika; M. Knite

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Effect of Nanotube Aspect Ratio on Chemical Vapour Sensing Properties of Polymer/MWCNT Composites

机译：纳米管长径比对聚合物/ MWCNT复合材料化学气相传感性能的影响

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The main topic of this paper is the study of polyisoprene-multi wall carbon nanotubes (PiMWCNT) composite's electrical conductivity and volatile organic compound sensing properties with respect to type of multi wall carbon nanotubes used. Electrical percolation parameters like percolation threshold and critical exponent of produced composites are determined and analyzed. PiMWCNT composites exhibit a promising sensitivity to the presence of volatile organic compounds. Therefore the composite's sensing mechanism of volatile organic compounds are analyzed in more detail by applying an original measuring technique which enables simultaneous measurement of an electrical resistance, mass and length change measurement of the sample in the presence and subsequent absence of a vapour. Measurement results enabled the evaluation of both vapour diffusion behavior in the composite and electrical resistance change mechanism.

机译：本文的主要目的是研究聚异戊二烯-多壁碳纳米管（PiMWCNT）复合材料的电导率和挥发性有机化合物对所用多壁碳纳米管类型的感应特性。确定并分析电渗流参数，例如渗漏阈值和生产的复合材料的临界指数。 PiMWCNT复合材料对挥发性有机化合物的存在表现出令人鼓舞的敏感性。因此，通过应用一种原始的测量技术，可以对复合材料中挥发性有机化合物的传感机制进行更详细的分析，该技术可以同时测量存在和不存在蒸气的情况下样品的电阻，质量和长度变化。测量结果可以评估复合材料中的蒸汽扩散行为和电阻变化机制。

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来源
《Journal of nano research》 |2013年第2013期|117-123|共7页
作者
G. Sakale; D. Jakovlevs; I. Aulika; M. Knite;
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作者单位

Riga Technical University, Institute of Technical Physics, Azenes str. 14/24, Riga, Latvia;

Riga Technical University, Riga Biomaterial Innovation and Development Center, Pulka str. 3/3, Riga, Latvia;

ELTEK Group, Via Glairet 1, Industrial Zone 11020 Hone, Italy;

Riga Technical University, Institute of Technical Physics, Azenes str. 14/24, Riga, Latvia;

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正文语种 eng
中图分类
关键词
polymer/MWCNT composites; electrical percolation; MWCNT;

机译：聚合物/ MWCNT复合材料;电渗流碳纳米管;

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3. Effects of carbon nanotubes aspect ratio on the qualitative and quantitative aspects of frequency response of electrical conductivity and dielectric permittivity in the carbon nanotube/polymer composites [J] . Khurram Shehzad, Zhi-Min Dang, Mirza Nadeem Ahmad Carbon: An International Journal Sponsored by the American Carbon Society . 2013,第Null期

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Effect of Nanotube Aspect Ratio on Chemical Vapour Sensing Properties of Polymer/MWCNT Composites

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