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Effect of the drying on morphology and texture of aerogels and zirconia cryogels

Published online by Cambridge University Press:  02 December 2019

Tzipatly A. Esquivel-Castro ,
Antonia Martínez-Luévanos Open the ORCID record for Antonia Martínez-Luévanos [Opens in a new window] ,
Luis Alfonso García-Cerda ,
Juan C. Contreras-Esquivel ,
Pascual Bartolo Pérez  and
Elsa Nadia Aguilera González
Tzipatly A. Esquivel-Castro
Affiliation:
Departamento de Materiales Cerámico Avanzados y Energía, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, 25280, Saltillo, Coahuila, México
Antonia Martínez-Luévanos*
Affiliation:
Departamento de Materiales Cerámico Avanzados y Energía, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, 25280, Saltillo, Coahuila, México
Luis Alfonso García-Cerda
Affiliation:
Centro de Investigación en Química Aplicada, 25294, Saltillo, Coahuila, México
Juan C. Contreras-Esquivel
Affiliation:
Departamento de Materiales Cerámico Avanzados y Energía, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, 25280, Saltillo, Coahuila, México
Pascual Bartolo Pérez
Affiliation:
Departamento de Física Aplicada, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional-Unidad Mérida, 97310, Mérida, Yucatán, México
Elsa Nadia Aguilera González
Affiliation:
Departamento de Materiales Cerámico Avanzados y Energía, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, 25280, Saltillo, Coahuila, México
*
*(Email: [email protected])
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Abstract

Due to their excellent properties, aerogel has attracted the attention of the scientific community to use it in the biomedical area as a drug delivery system. This work reports on the synthesis and characterization of ZrO2 aerogels and cryogels obtained by the sol-gel method. The influence of different cetyltrimethylammonium bromide (CTAB) and the type of drying on structural, morphological and texture properties of ZrO2 aerogels and cryogels was investigated. SEM images reveal that a porous interconnected three-dimensional network was formed into aerogels due to supercritical drying. Zirconia aerogel sample has a specific surface area (SBET) larger than zirconia cryogels. Therefore, our results indicate that zirconia aerogel is an adequate material for applications in drug delivery systems.

Keywords

aerogelsol-gelporositymorphologytexture
Type
Articles
Information
MRS Advances , Volume 4 , Issue 64: International Materials Research Congress XXVIII , 2019 , pp. 3513 - 3521
Copyright
Copyright © Materials Research Society 2019 

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References

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