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Cited by 207Aerogels and thermal insulationElectrocatalysts for Energy ConversionCatalytic Processes in Materials Science

Gold Aerogels: Three-Dimensional Assembly of Nanoparticles and Their Use as Electrocatalytic Interfaces

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Wen, Dan, Liu, Wei, Haubold, Danny, Zhu, Chengzhou, Oschatz, Martin, Holzschuh, Matthias, Wolf, André, Simon, Frank +2 more·2016·ACS Nano
DOI 10.1021/acsnano.5b07505PMC PMC4768295
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Abstract

Three-dimensional (3D) porous metal nanostructures have been a long sought-after class of materials due to their collective properties and widespread applications. In this study, we report on a facile and versatile strategy for the formation of Au hydrogel networks involving the dopamine-induced 3D assembly of Au nanoparticles. Following supercritical drying, the resulting Au aerogels exhibit high surface areas and porosity. They are all composed of porous nanowire networks reflecting in their diameters those of the original particles (5–6 nm) via electron microscopy. Furthermore, electrocatalytic tests were carried out in the oxidation of some small molecules with Au aerogels tailored by different functional groups. The beta-cyclodextrin-modified Au aerogel, with a host–guest effect, represents a unique class of porous metal materials of considerable interest and promising applications for electrocatalysis.

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  • Almost all previously reported metallic aerogels were restricted to three-dimensional (3D) nanostructures.

    “So far, various noble metal aerogels have been synthesized, yet almost all the previously reported metallic aerogels were restricted to the three dimensional (3D) nanostructures [41–43], which significantly slows down the development of high-performance metallic aerogels because of the same structures.”

    From Lamellar platinum–rhodium aerogels with superior electrocatalytic performance for both hydrogen oxidation and evolution reaction in alkaline environment (2019) · cites this paper as [43]

    The paper’s Abstract describes previously synthesized noble-metal aerogels and reports that its own Au aerogels form 3D networks. It does not establish that almost all previously reported metallic aerogels were restricted to 3D nanostructures. (LLM, conf=0.78)

    Experimental — accuracy not yet measured

  • Self-supported noble metal aerogels have high available active sites, good mass transportation, and great durability.

    “Besides, in recent years, self-supported noble metal aerogels, endowing outstanding functions of NBBs to aerogels, have caught the researchers' interest due to their high available active sites, good mass transportation, and great durability.9,14,21−25”

    From A Versatile Strategy for Tailoring Noble Metal Supramolecular Gels/Aerogels and Their Application in Hydrogen Evolution (2019) · cites this paper as [25]

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References 54 · Cited by 207

Research works printed but not linked: 52

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Authors
Wen, D., Liu, W., Haubold, D., Zhu, C., Oschatz, M., Holzschuh, M., Wolf, A., Simon, F., Kaskel, S., & Eychmüller, A.
Affiliations
  • Technische Universität Dresden (DE)
  • Leibniz Institute of Polymer Research (DE)
  • TU Dresden , , Bergstrasse 66b , ,
ORCID
Venue
ACS Nano
Publisher
American Chemical Society (ACS)
Published
2016-01-11
Volume
10
Issue
2
Pages
2559-2567
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
DOI
10.1021/acsnano.5b07505
PMC
PMC4768295
OpenAlex
W2235749317
Cited by
207
References
54
Citations by year
2026: 10 · 2025: 17 · 2024: 15 · 2023: 23 · 2022: 23 · 2021: 27 · 2020: 21 · 2019: 27 · 2018: 24 · 2017: 15 · 2016: 5
FWCI
11.79
Type
journal article
Language
en
Open access
Licence
Locations
  • ACS Nano (publishedVersion, other-oa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Digital Library (submittedVersion)
  • RENATE (submittedVersion)
  • Fraunhofer-Publica (Fraunhofer-Gesellschaft) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
  • RENATE
Funders
  • Alexander von Humboldt-Stiftung (NA)
  • European Research Council (340419)
  • Deutsche Forschungsgemeinschaft (EY16/10-2, GRK 1401)
Topics
  • Physical Sciences › Chemistry › Spectroscopy › Aerogels and thermal insulation
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
Keywords
gold nanoparticles, supercritical drying, electrocatalysis, β-cyclodextrin, host-guest chemistry

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