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Insights into sustainable aerogels from lignocellulosic materials

Lookup NU author(s): Dr Hoang NguyenORCiD, Professor Anh Phan

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).


Abstract

© 2022 The Royal Society of Chemistry.Aerogels, the three-dimensional materials, have been considered to be revolutionary solid-state materials due to their highly porous structure, low density, large surface area, and low thermal conductivity, which can be applied in the many modern fields of industry. Since its discovery in 1931, research related to aerogels has expanded from the exploration of starting materials to synthesis routes and applications (e.g., thermal, sound insulation materials, and wastewater treatment). The limitations of conventional aerogels (silica, resorcinol/formaldehyde), which are unsustainable, non-biodegradable, and expensive materials has motivated researchers to seek alternative materials. In this regard, lignocellulose is a better candidate and thus has attracted the attention of the community. This review critically analyzes the current state-of-the-art in aerogel synthesis from lignocellulosic components and the entire lignocellulose biomass, focusing on the effects of synthesis routes and conditions on aerogel properties. Perspectives on pre-treatment, synthesis approaches, potential applications, and future development will be discussed.


Publication metadata

Author(s): Nguyen HSH, Huynh HKP, Nguyen ST, Nguyen VTT, Nguyen T-A, Phan AN

Publication type: Review

Publication status: Published

Journal: Journal of Materials Chemistry A

Year: 2022

Volume: 10

Issue: 44

Pages: 23467-23482

Online publication date: 13/10/2022

Acceptance date: 12/10/2022

ISSN (print): 2050-7488

ISSN (electronic): 2050-7496

Publisher: Royal Society of Chemistry

URL: https://doi.org/10.1039/D2TA04994E

DOI: 10.1039/d2ta04994e


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