Materials Research Express, Volume (6), No (9), Year (2019-7) , Pages (95010-95010)

Title : ( Carbon aerogel/carboxylated carbon nanotubes: porous structure and electrical conductivity properties )

Authors: Hadi Mohammad Dokht , Seyed Mostafa Mahdizadeh , Elahe Khodeir , Majid Baniadam , Javad Sargolzaei , Morteza Maghrebi , Mohammad Ebrahim Karkhanechin , Maryam Mokhtarifar , Hamed Arab ,

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The aim of this study is to investigate the effect of various weight percentages of multi-walled-carbon nanotubes (CNT) with carboxyl groups on the properties of carbon aerogels (CA). The electrical conductivity, shrinkage and morphology of carbon aerogel- functionalized carboxylated carbon nanotubes composites (COO-CNT sample) were characterized and compared with carbon aerogel composites synthesized by CNT dispersed by sodium dodecyl sulfate (SDS-CNT sample) and carbon aerogel composites with raw CNT (R-CNT sample). According to the obtained results, the shrinkage of R-CNT sample does not noticeably change with increasing CNT weight percentages (wt%), while the decreased significant shrinkage of COO-CNT and SDS-CNT samples might be due to better dispersion of CNT. In addition, while the electrical conductivity of R-CNT is maintained at the same level, it is enhanced by increasing the CNT wt% for COO-CNT and SDS-CNT samples which could be attributed to the pathways with higher conductivity in their matrix. Moreover, the higher mechanical strength (lower shrinkage) of SDS-CNT sample compared to COO-CNT sample can be ascribed to a more uniform arrangement of CNT inner network, as observed by transmission electron microscopy (TEM) and scanning electron microscopy (SEM).


, carbon aerogel, multi-walled-carbon nanotubes, carboxyl groups, shrinkage, electrical conductivity
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author = {Mohammad Dokht, Hadi and Mahdizadeh, Seyed Mostafa and Khodeir, Elahe and Baniadam, Majid and Sargolzaei, Javad and Maghrebi, Morteza and Karkhanechin, Mohammad Ebrahim and Mokhtarifar, Maryam and Arab, Hamed},
title = {Carbon aerogel/carboxylated carbon nanotubes: porous structure and electrical conductivity properties},
journal = {Materials Research Express},
year = {2019},
volume = {6},
number = {9},
month = {July},
issn = {2053-1591},
pages = {95010--95010},
numpages = {0},
keywords = {carbon aerogel; multi-walled-carbon nanotubes; carboxyl groups; shrinkage; electrical conductivity},


%0 Journal Article
%T Carbon aerogel/carboxylated carbon nanotubes: porous structure and electrical conductivity properties
%A Mohammad Dokht, Hadi
%A Mahdizadeh, Seyed Mostafa
%A Khodeir, Elahe
%A Baniadam, Majid
%A Sargolzaei, Javad
%A Maghrebi, Morteza
%A Karkhanechin, Mohammad Ebrahim
%A Mokhtarifar, Maryam
%A Arab, Hamed
%J Materials Research Express
%@ 2053-1591
%D 2019