Transparent thermal insulation silica aerogels

Silica aerogels have received much attention due to their unique nanoporous networks, which consist of nanoscale connective silica particles and high-volume nanoscale pores. This lightweight superinsulation solid materials are synthesized by a 'sol-gel' process involving precursor preparat...

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Bibliographic Details
Published in:Nanoscale advances 2020-12, Vol.2 (12), p.554-5515
Main Authors: Wang, Jieyu, Petit, Donald, Ren, Shenqiang
Format: Article
Language:English
Subjects:
Chemistry
Materials Science
Science & Technology - Other Topics
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Summary:Silica aerogels have received much attention due to their unique nanoporous networks, which consist of nanoscale connective silica particles and high-volume nanoscale pores. This lightweight superinsulation solid materials are synthesized by a 'sol-gel' process involving precursor preparation, gelation, aging and drying. By controlling their synthesis and processing, silica aerogels demonstrate good thermal and acoustic insulation, mechanical strength and optical transparency. In recent years, incorporating transparent and thermal insulation silica aerogels in energy-saving windows is of great interest for both scientific and technological applications. This review introduces the basic principles of thermal and optical properties of silica aerogels and highlights their tunability via synthetic and processing control. In addition, the use of silica aerogels in transparent thermal insulation windows is discussed. This review explores the synthesis and properties of transparent thermal insulation silica aerogels.
ISSN:2516-0230
2516-0230
DOI:10.1039/d0na00655f