Morphology and electrical properties of multi-walled carbon nanotube/carbon aerogel prepared by using polyacrylonitrile as precursor

Dourani A.; Hamadanian M.; Haghgoo M.; Jahannama M. R.; Goudarzi H.

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Morphology and electrical properties of multi-walled carbon nanotube/carbon aerogel prepared by using polyacrylonitrile as precursor

机译：用聚丙烯腈作为前体制备多壁碳纳米管/碳气凝胶的形态学和电性能

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Here, we present the synthesis and characterization of low-density multi-walled carbon nanotube (MWCNT)/carbon (CA) aerogel by creating a three-dimensional assembly of carbon nanotubes (CNTs) in polyacrylonitrile (PAN)/dimethyl formamide (DMF) solution to create a stable gel, followed by a CO2 supercritical drying. Aerogels with varying nanotube loading (0-25 wt%) and density (50-500 mg cm(-3)) were fabricated and characterized by optical microscopy, electron microscopy, nitrogen sorption and electrical conductivity analysis. Physical properties of the MWCNT/CA composites were highly dependent upon nanotube loading. The data indicate that the shrinkage value decreases gradually during drying and pyrolysis process when MWCNT content increases in formulations. Surface area as high as 735 m(2) g(-1) was achieved for MWCNT/PAN aerogel with carbon nanotube loading higher than 20 wt%.

机译：这里，我们通过在聚丙烯腈（盘）/二甲基甲酰胺（DMF）中产生碳纳米管（CNT）的三维组装来介绍低密度多壁碳纳米管（MWCNT）/碳（CA）气凝胶的合成和表征溶液制造稳定的凝胶，然后是CO 2超临界干燥。通过光学显微镜，电子显微镜，氮吸附和导电性分析制造具有不同纳米管载荷（0-25wt％）和密度（50-500mg cm（-3））的气凝胶。 MWCNT / Ca复合材料的物理性质高度依赖于纳米管载荷。数据表明，当制剂中的MWCNT含量增加时，在干燥和热解过程中，收缩值逐渐降低。对于具有高于20wt％的碳纳米管负荷，实现高达735μm（2 )g（-1）的表面积，高于20wt％。

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《RSC Advances》 |2015年第62期|共9页
作者
Dourani A.; Hamadanian M.; Haghgoo M.; Jahannama M. R.; Goudarzi H.;
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作者单位

Univ Kashan Inst Nano Sci &

Nano Technol Kashan Iran;

Univ Kashan Inst Nano Sci &

Nano Technol Kashan Iran;

Iranian Res Ctr Space Transportat Res Inst Dept Nanotechnol &

Nanosci Tehran Iran;

Iranian Res Ctr Space Transportat Res Inst Dept Nanotechnol &

Nanosci Tehran Iran;

Iranian Res Ctr Space Transportat Res Inst Dept Nanotechnol &

Nanosci Tehran Iran;

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正文语种 eng
中图分类化学;
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1. Morphology and electrical properties of multi-walled carbon nanotube/carbon aerogel prepared by using polyacrylonitrile as precursor [J] . Dourani A., Hamadanian M., Haghgoo M., RSC Advances . 2015,第62期

机译：用聚丙烯腈作为前体制备多壁碳纳米管/碳气凝胶的形态学和电性能
2. Effect of Multi-walled Carbon Nanotube Dispersion on the Electrical, Morphological and Rheological Properties of Polycarbonate/Multi-walled Carbon Nanotube Composites [J] . Mi Sun Han, Yun Kyun Lee, Woo Nyon Kim Macromolecular Research . 2009,第11期

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机译：多壁碳纳米管/间规聚苯乙烯复合气溶胶的机械和电学性能
5. Influence of Aspect Ratio and Surface Chemistry of Multi-walled Carbon Nanotubes on Structure and Properties of Multi-walled Carbon Nanotube/Polymer Composite Foams [D] . Chen, Limeng 2010

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6. The Structure and Properties of Polyacrylonitrile Nascent Composite Fibers with Grafted Multi Walled Carbon Nanotubes Prepared by Wet Spinning Method [O] . Hailong Zhang, Ling Quan, Aijun Gao, 2019

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机译：多壁碳纳米管对聚丙烯纳米复合材料性能的影响。聚丙烯纳米复合材料中多壁碳纳米管的分散和排列增强，及其对机械，热，流变和电性能的影响。
8. Polyacrylonitrile/Carbon Nanotube Composite: Precursor for Next Generation Carbon Fiber [R] . 2010

机译：聚丙烯腈/碳纳米管复合材料：下一代碳纤维的前体

Morphology and electrical properties of multi-walled carbon nanotube/carbon aerogel prepared by using polyacrylonitrile as precursor

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