Noble Metal Aerogels

Burpo, F. John

doi:10.1007/978-3-030-27322-4_42

Cited by 1 publication

(2 citation statements)

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“…The assembly of inorganic nanocrystal has attracted considerable attention in the last decades. [1][2][3][4][5][6] Although this assembly can give rise to ordered structures, [7,8] such as superlattices or mesocrystals, nonordered assemblies are receiving increased attention, and one of the most prominent and emergent examples of that are the inorganic nanocrystal-based gels. This special structuring of the matter gives rise to macroscopic materials with high specific surface areas and low densities that can retain the individual properties of the nanocrystals or showcase structure-dependent features arising from the inter-actions between the building blocks in the network and their spatial distribution.…”

Section: Introductionmentioning

confidence: 99%

“…The assembly of inorganic nanocrystal has attracted considerable attention in the last decades [1–6] . Although this assembly can give rise to ordered structures, [7,8] such as superlattices or mesocrystals, nonordered assemblies are receiving increased attention, and one of the most prominent and emergent examples of that are the inorganic nanocrystal‐based gels.…”

Section: Introductionmentioning

confidence: 99%

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Nanoparticle‐Based Cryogels from Colloidal Aqueous Dispersion: Synthesis, Properties and Applications

Borg,

Morales,

Dorfs

et al. 2024

ChemNanoMat

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Cryogels have morphological features that make them interesting for several applications such as catalysis, sensing or tissue engineering. Their interconnected network and open porous structure, build up by primary particles (such as inorganic nanocrystals or polymers), provide these materials with unique physical properties and high specific surface areas. While the library of cryogels is endless, widely used in the polymer chemistry field, in this review we will summarize the structure and properties, applications and challenges of inorganic nanocrystal‐based cryogels obtained by freezing and freeze‐drying an aqueous nanoparticle colloid. This fast, easy and versatile gelation method will be outlined, along with the corresponding macro‐, micro‐ and nano‐structures and gel morphologies that can be obtained, for example, by changing the freezing temperature or by using one nanoparticle system or nanoparticle mixtures. Their applications towards electrocatalysis, photocatalysis and photoelectrochemical sensing will be highlighted, as well as the challenges and prospects of these materials.

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