European Journal of Chemistry 2017, 8(3), 279-287. doi:10.5155/eurjchem.8.3.279-287.1593

Carbon Aerogels: a study with different models of the effect resorcinol/catalyst at different ratios after pyrolysis and the effect on textural properties


Rafael Alberto Fonseca-Correa (1) , Marlon Jose Bastidas-Barranco (2) , Liliana Giraldo (3) , Juan Carlos Moreno-Piraján (4,*)

(1) Facultad de Ciencias, Departamento de Química, Grupo de Investigación en Sólidos Porosos y Calorimetría, Universidad de los Andes, Bogotá, 11001000, Colombia
(2) Facultad de Ingeniería, Grupo DestaCar, Universidad de la Guajira, Guajira, 440001, Colombia
(3) Facultad de Ciencias, Departamento de Química, Universidad Nacional de Colombia, Bogotá, 11001000, Colombia
(4) Facultad de Ciencias, Departamento de Química, Grupo de Investigación en Sólidos Porosos y Calorimetría, Universidad de los Andes, Bogotá, 11001000, Colombia
(*) Corresponding Author

Received: 03 Jun 2017, Accepted: 05 Aug 2017, Published: 30 Sep 2017

Abstract


Eight samples of carbon aerogels were prepared at various resorcinol/catalytic (R/C) ratios (ranging from 25 to 1500) and followed the changes in structure after pyrolysis. Isotherms of N2 to 77 K were determined to calculate the textural parameters using Dubinin-Astakhov (DA), Barret Joyner and Halenda (BJH), Non-Local Density Functional Theory (NLDFT) and Quenched Solid Density Functional Theory (QSDFT) models. The results generated two series of samples. In series I, a single type of pores developed (microporous, at low R/C weight ratio). Series II developed mesoporosity to top gears of R/C (> 400). The specific areas ranged from 64 to 990 m2/g. Additional models were applied to the materials synthesized, which allowed for adjustment to a system of “cylinder-slit” pores by applying the QSDFT kernel, with an error percentage ranging from 0.03 to 0.74.


Keywords


QSDFT; NLDFT; Aerogels; Surface chemistry; Adsorption properties; Microporous materials

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DOI: 10.5155/eurjchem.8.3.279-287.1593

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[1]. Xu Han, Mei Wang, My Linh Le, Nicholas M. Bedford, Taylor J. Woehl, V. Sara Thoi
Effects of substrate porosity in carbon aerogel supported copper for electrocatalytic carbon dioxide reduction
Electrochimica Acta  297, 545, 2019
DOI: 10.1016/j.electacta.2018.11.203
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[2]. Rafael A. Fonseca-Correa, Liliana Giraldo, Juan Carlos Moreno-Piraján
Thermodynamic study of adsorption of nickel ions onto carbon aerogels
Heliyon  5(6), e01789, 2019
DOI: 10.1016/j.heliyon.2019.e01789
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How to cite


Fonseca-Correa, R.; Bastidas-Barranco, M.; Giraldo, L.; Moreno-Piraján, J. Eur. J. Chem. 2017, 8(3), 279-287. doi:10.5155/eurjchem.8.3.279-287.1593
Fonseca-Correa, R.; Bastidas-Barranco, M.; Giraldo, L.; Moreno-Piraján, J. Carbon Aerogels: a study with different models of the effect resorcinol/catalyst at different ratios after pyrolysis and the effect on textural properties. Eur. J. Chem. 2017, 8(3), 279-287. doi:10.5155/eurjchem.8.3.279-287.1593
Fonseca-Correa, R., Bastidas-Barranco, M., Giraldo, L., & Moreno-Piraján, J. (2017). Carbon Aerogels: a study with different models of the effect resorcinol/catalyst at different ratios after pyrolysis and the effect on textural properties. European Journal of Chemistry, 8(3), 279-287. doi:10.5155/eurjchem.8.3.279-287.1593
Fonseca-Correa, Rafael, Marlon Jose Bastidas-Barranco, Liliana Giraldo, & Juan Carlos Moreno-Piraján. "Carbon Aerogels: a study with different models of the effect resorcinol/catalyst at different ratios after pyrolysis and the effect on textural properties." European Journal of Chemistry [Online], 8.3 (2017): 279-287. Web. 17 Sep. 2019
Fonseca-Correa, Rafael, Bastidas-Barranco, Marlon, Giraldo, Liliana, AND Moreno-Piraján, Juan. "Carbon Aerogels: a study with different models of the effect resorcinol/catalyst at different ratios after pyrolysis and the effect on textural properties" European Journal of Chemistry [Online], Volume 8 Number 3 (30 September 2017)

DOI Link: https://doi.org/10.5155/eurjchem.8.3.279-287.1593

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