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- Title
Hydrogels and Aerogels for Versatile Photo-/Electro-Chemical and Energy-Related Applications.
- Authors
Sun, Jiana; Luo, Taigang; Zhao, Mengmeng; Zhang, Lin; Zhao, Zhengping; Yu, Tao; Yan, Yibo
- Abstract
The development of photo-/electro-chemical and flexible electronics has stimulated research in catalysis, informatics, biomedicine, energy conversion, and storage applications. Gels (e.g., aerogel, hydrogel) comprise a range of polymers with three-dimensional (3D) network structures, where hydrophilic polyacrylamide, polyvinyl alcohol, copolymers, and hydroxides are the most widely studied for hydrogels, whereas 3D graphene, carbon, organic, and inorganic networks are widely studied for aerogels. Encapsulation of functional species with hydrogel building blocks can modify the optoelectronic, physicochemical, and mechanical properties. In addition, aerogels are a set of nanoporous or microporous 3D networks that bridge the macro- and nano-world. Different architectures modulate properties and have been adopted as a backbone substrate, enriching active sites and surface areas for photo-/electro-chemical energy conversion and storage applications. Fabrication via sol–gel processes, module assembly, and template routes have responded to professionalized features and enhanced performance. This review presents the most studied hydrogel materials, the classification of aerogel materials, and their applications in flexible sensors, batteries, supercapacitors, catalysis, biomedical, thermal insulation, etc.
- Subjects
FLEXIBLE electronics; AEROGELS; POLYVINYL alcohol; ENERGY conversion; POLYACRYLAMIDE; POLYMER networks
- Publication
Molecules, 2024, Vol 29, Issue 16, p3883
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules29163883