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Single-electron transfer reactions on surface-modified gold plasmons
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström.
Univ Gothenburg, Dept Chem & Mol Biol, Kemivagen 10, S-41258 Gothenburg, Sweden..
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.ORCID iD: 0000-0002-9459-3147
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2023 (English)In: Materials Today Chemistry, E-ISSN 2468-5194, Vol. 34, article id 101783Article in journal (Refereed) Published
Abstract [en]

Photoredox catalysis's relevance in organic synthesis research and innovation will increase in the coming decades. However, the processes rely almost exclusively on expensive noble metal complexes, most notably iridium complexes, to absorb light and transfer a single charge to a substrate or a catalyst to initiate cascade transformations. Light-triggered plasmon resonances generate a non-Fermi-Dirac energy distribution with many hot carriers that decay in similar to 1 ps. Their ultrafast relaxation makes performing single electron transfer (SET) transformations challenging. Herein, a novel photosystem is proposed based on surface-modified gold nanoparticles (aka plasmon "molecularization"), which improved charge separation and, more importantly, enabled SET reactions, expanding the portfolio of photocatalysts available for photoredox catalysis. The photosystem was made into an electrode, permitting its use in photoelectrochemical arrangements that leverage electro- and photo-chemical approaches' benefits and chemical engineering solutions, helping the synthetic chemistry efforts towards greener synthesis and synthesis of more complex structures on a scale.

Place, publisher, year, edition, pages
Elsevier, 2023. Vol. 34, article id 101783
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Physical Chemistry Materials Chemistry
Research subject
Chemistry with specialization in Physical Chemistry; Chemistry with specialization in Physical Chemistry
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URN: urn:nbn:se:uu:diva-518008DOI: 10.1016/j.mtchem.2023.101783ISI: 001109598500001OAI: oai:DiVA.org:uu-518008DiVA, id: diva2:1819826
Funder
Knut and Alice Wallenberg Foundation, 2019-0071Swedish Research Council, 2019-03597Available from: 2023-12-15 Created: 2023-12-15 Last updated: 2024-02-12Bibliographically approved

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Bericat Vadell, RobertSekar, PandiarajZou, XianshaoKaul, NidhiBroqvist, PeterLindblad, RebeckaLindblad, AndreasArkhypchuk, Anna I.Sá, Jacinto

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Bericat Vadell, RobertSekar, PandiarajZou, XianshaoKaul, NidhiBroqvist, PeterLindblad, RebeckaLindblad, AndreasArkhypchuk, Anna I.Sá, Jacinto
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Physical ChemistryDepartment of Chemistry - ÅngströmStructural ChemistryInorganic ChemistryDepartment of Physics and AstronomyCondensed Matter Physics of Energy MaterialsMolecular BiomimeticsSynthetic Molecular Chemistry
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Materials Today Chemistry
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