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Hydrophobic Gold Nanoparticles with Intrinsic Chirality for the Efficient Fabrication of Chiral Plasmonic Nanocomposites

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cris.lastimport.scopus2024-02-12T20:45:57Z
dc.abstract.enThe development of plasmonic nanomaterials with chiral geometry has drawn extensive attention owing to their practical implications in chiral catalysis, chiral metamaterials, or enantioselective biosensing and medicine. However, due to the lack of effective synthesis methods of hydrophobic nanoparticles (NPs) showing intrinsic, plasmonic chirality, their applications are currently limited to aqueous systems. In this work, we resolve the problem of achieving hydrophobic Au NPs with intrinsic chirality by efficient phase transfer of water-soluble NPs using low molecular weight, liquid crystal-like ligands. We confirmed that, after the phase transfer, Au NPs preserve strong, far-field circular dichroism (CD) signals, attesting their chiral geometry. The universality of the method is exemplified by using different types of NPs and ligands. We further highlight the potential of the proposed approach to realize chiral plasmonic, inorganic/organic nanocomposites with block copolymers, liquid crystals, and compounds forming physical gels. All soft matter composites sustain plasmonic CD signals with electron microscopies confirming well-dispersed nanoinclusions. The developed methodology allows us to expand the portfolio of plasmonic NPs with intrinsic structural chirality, thereby broadening the scope of their applications toward soft-matter based systems.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorLewandowski, Wiktor
dc.contributor.authorPérez-Juste, Jorge
dc.contributor.authorMatraszek, Joanna
dc.contributor.authorGrzelczak, Marek
dc.contributor.authorPastoriza-Santos, Isabel
dc.contributor.authorBagiński, Maciej
dc.contributor.authorGómez-Graña, Sergio
dc.contributor.authorKowalski, Jakub
dc.contributor.authorBandalewicz, Filip
dc.contributor.authorKowalska, Natalia
dc.date.accessioned2024-01-25T03:31:48Z
dc.date.available2024-01-25T03:31:48Z
dc.date.copyright2022-10-28
dc.date.issued2022
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number44
dc.description.versionFINAL_PUBLISHED
dc.description.volume14
dc.identifier.doi10.1021/ACSAMI.2C11925
dc.identifier.issn1944-8244
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/108802
dc.identifier.weblinkhttps://pubs.acs.org/doi/pdf/10.1021/acsami.2c11925
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofACS Applied Materials & Interfaces
dc.relation.pages50013-50023
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.ensupramolecular chirality
dc.subject.enblock copolymers l
dc.subject.enliquid crystals
dc.subject.engels
dc.subject.enchiral metamolecules
dc.subject.enreconfigurable nanostructures
dc.subject.encircular dichroism
dc.subject.enchirality transfer
dc.subject.enphase transfer
dc.titleHydrophobic Gold Nanoparticles with Intrinsic Chirality for the Efficient Fabrication of Chiral Plasmonic Nanocomposites
dc.typeJournalArticle
dspace.entity.typePublication