An Updated Overview of Silica Aerogel-Based Nanomaterials
Open accessAbstract
Silica aerogels have gained much interest due to their unique properties, such as being the lightest solid material, having small pore sizes, high porosity, and ultralow thermal conductivity. Also, the advancements in synthesis methods have enabled the creation of silica aerogel-based composites in combination with different materials, for example, polymers, metals, and carbon-based structures. These new silica-based materials combine the properties of silica with the other materials to create a new and reinforced architecture with significantly valuable uses in different fields. Therefore, the importance of silica aerogels has been emphasized by presenting their properties, synthesis process, composites, and numerous applications, offering an updated background for further research in this interdisciplinary domain.
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Vacuum drying is used for wet gels to obtain gels with elevated surface area, substantial pore size, and decreased drying duration.
“An additional drying method was introduced to obtain gels from wet gels with elevated surface area, substantial pore size, and decreased drying duration [24].”
From Silica Aerogels as a Promising Vehicle for Effective Water Splitting for Hydrogen Production (2025) · cites this paper as [24]
Non-precious alternatives such as metals/alloys, their oxides/phosphides/sulfides/selenides/nitrides/carbides, metal-free carbon, single atoms, and composites hold high promise for use in electrochemical water splitting.
“These materials have been widely reported and hold high promise for use in electrochemical water splitting.”
From Silica Aerogels as a Promising Vehicle for Effective Water Splitting for Hydrogen Production (2025) · cites this paper as [24]
The Environmental Applications section discusses water decontamination and CO₂ capture, not electrochemical water splitting. Searches for water-splitting electrocatalysts and the listed non-precious material classes found no passage in our copy addressing their promise for that use. (LLM, conf=0.76)
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References 163 · Cited by 109
Research works printed but not linked: 3
- [60]Zhao S. Manic M.S. Ruiz-Gonzalez F. Koebel M. Aerogels Wiley VCH Weinheim, Germany 2015 519 574
- [76]Montes S. Maleki H. 12—Aerogels and their applications Colloidal Metal Oxide Nanoparticles Thomas S. Tresa Sunny A. Velayudhan P. Elsevier Amsterdam, The Netherlands 2020 337 399
- [84]Wakeel A. Nasir M.A. A review article on the synthesis of Silica Aerogels and their Insulation Properties Int. J. Emerg. Multidiscip. Phys. Sci. 2023 1 78 104 10.54938/ijemd-ps.2023.01.1.11 · DOI
- Authors
- Niculescu, A.-G., Tudorache, D.-I., Bocioagă, M., Mihaiescu, D. E., Hadibarata, T., & Grumezescu, A. M.
- Affiliations
- University of Bucharest (RO)
- Universitatea Națională de Știință și Tehnologie Politehnica București (RO)
- Department of Organic Chemistry, Politehnica University of Bucharest, 011061 Bucharest, Romania
- Curtin University (AU)
- Corresponding author
- Grumezescu, Alexandru Mihai
- Venue
- Nanomaterials
- Publisher
- MDPI AG
- Published
- 2024-03-04
- Volume
- 14
- Issue
- 5
- Pages
- 469
- ISSN
- 2079-4991 (ISSN-L)
- PMC
- PMC10934054
- OpenAlex
- W4392380634
- Cited by
- 109
- References
- 163
- Citations by year
- 2026: 37 · 2025: 53 · 2024: 19
- FWCI
- 4.70
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Nanomaterials (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- European Union (NextGenerationEU) (CF 231/29.11.2022)
- Topics
- Physical Sciences › Chemistry › Spectroscopy › Aerogels and thermal insulation
- Physical Sciences › Materials Science › Materials Chemistry › Mesoporous Materials and Catalysis
- Physical Sciences › Materials Science › Materials Chemistry › Chemical and Physical Properties of Materials
- Keywords
- silica aerogel, composite aerogels, polymer composites, metal composites, carbon composite, aerogel synthesis, porosity, low thermal conductivity, lightweight materials
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