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Surfactant-Free Col...
Surfactant-Free Colloidal Syntheses of Gold-Based Nanomaterials in Alkaline Water and Mono-alcohol Mixtures
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- Quinson, Jonathan (author)
- University of Copenhagen,Aarhus University
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- Aalling-Frederiksen, Olivia (author)
- University of Copenhagen
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- Dacayan, Waynah L. (author)
- Technical University of Denmark
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- Bjerregaard, Joachim D. (author)
- University of Copenhagen
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- Jensen, Kim D. (author)
- University of Copenhagen
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- Jørgensen, Mads R.V. (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Aarhus University
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- Kantor, Innokenty (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Technical University of Denmark
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- Sørensen, Daniel R. (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Aarhus University
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- Theil Kuhn, Luise (author)
- Technical University of Denmark
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- Johnson, Matthew S. (author)
- University of Copenhagen
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- Escudero-Escribano, María (author)
- Catalan Institute of Nanoscience and Nanotechnology (ICN2),University of Copenhagen,Catalan Institution for Research and Advanced Studies
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- Simonsen, Søren B. (author)
- Technical University of Denmark
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- Jensen, Kirsten M.Ø. (author)
- University of Copenhagen
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(creator_code:org_t)
- 2023-02-24
- 2023
- English.
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In: Chemistry of Materials. - : American Chemical Society (ACS). - 0897-4756 .- 1520-5002. ; 35:5, s. 2173-2190
- Related links:
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http://dx.doi.org/10... (free)
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https://doi.org/10.1...
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Abstract
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- Gold nanoparticles (Au NPs) and gold-based nanomaterials combine unique properties relevant for medicine, imaging, optics, sensing, catalysis, and energy conversion. While the Turkevich-Frens and Brust-Schiffrin methods remain the state-of-the-art colloidal syntheses of Au NPs, there is a need for more sustainable and tractable synthetic strategies leading to new model systems. In particular, stabilizers are almost systematically used in colloidal syntheses, but they can be detrimental for fundamental and applied studies. Here, a surfactant-free synthesis of size-controlled colloidal Au NPs stable for months is achieved by the simple reduction of HAuCl4 at room temperature in alkaline solutions of low-viscosity mono-alcohols such as ethanol or methanol and water, without the need for any other additives. Palladium (Pd) and bimetallic AuxPdy NPs, nanocomposites and multimetallic samples, are also obtained and are readily active (electro)catalysts. The multiple benefits over the state-of-the-art syntheses that this simple synthesis bears for fundamental and applied research are highlighted.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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Quinson, Jonatha ...
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Aalling-Frederik ...
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Dacayan, Waynah ...
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Bjerregaard, Joa ...
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Jensen, Kim D.
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Jørgensen, Mads ...
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Kantor, Innokent ...
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Sørensen, Daniel ...
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Theil Kuhn, Luis ...
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Johnson, Matthew ...
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Escudero-Escriba ...
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Simonsen, Søren ...
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Jensen, Kirsten ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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Chemistry of Mat ...
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Lund University