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Materials 2017, 10(11), 1336; https://doi.org/10.3390/ma10111336

Multifunctional Carbon Aerogels Derived by Sol–Gel Process of Natural Polysaccharides of Different Botanical Origin

1
Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
2
Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland
*
Authors to whom correspondence should be addressed.
Received: 18 October 2017 / Revised: 3 November 2017 / Accepted: 17 November 2017 / Published: 21 November 2017
(This article belongs to the Special Issue Novel Electrochemical Materials for Energy Storage and Conversion)
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Abstract

In this manuscript, we describe the results of our recent studies on carbon aerogels derived from natural starches. A facile method for the fabrication of carbon aerogels is presented. Moreover, the complete analysis of the carbonization process of different starch aerogels (potato, maize, and rice) was performed using thermogravimetric studies combined with a detailed analysis of evolved decomposition products. The prepared carbon aerogels were studied in terms of their morphology and electrical properties to relate the origin of starch precursor with final properties of carbon materials. The obtained results confirmed the differences in carbon aerogels’ morphology, especially in materials’ specific surface areas, depending on the botanical origin of precursors. The electrical conductivity measurements suggest that carbon aerogels with the best electrical properties can be obtained from potato starch. View Full-Text
Keywords: polysaccharide; starch; sol–gel polycondensation; ambient pressure drying; carbon aerogel; porous carbon nanomaterial; electrical conductivity polysaccharide; starch; sol–gel polycondensation; ambient pressure drying; carbon aerogel; porous carbon nanomaterial; electrical conductivity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Bakierska, M.; Chojnacka, A.; Świętosławski, M.; Natkański, P.; Gajewska, M.; Rutkowska, M.; Molenda, M. Multifunctional Carbon Aerogels Derived by Sol–Gel Process of Natural Polysaccharides of Different Botanical Origin. Materials 2017, 10, 1336.

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