Self-Organization of Gold Nanoparticle Assemblies with 3D Spatial Order and Their External Stimuli Responsiveness

Melissa S. Köhn Serrano; Tobias A F König; Johannes S. Haataja; Tina I. Löbling; Holger Schmalz; Seema Agarwal; Andreas Fery; Andreas Greiner

doi:10.1002/marc.201500509

Self-Organization of Gold Nanoparticle Assemblies with 3D Spatial Order and Their External Stimuli Responsiveness

Melissa S. Köhn Serrano, Tobias A F König, Johannes S. Haataja, Tina I. Löbling, Holger Schmalz, Seema Agarwal, Andreas Fery, Andreas Greiner^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

3 Citations (Scopus)

Abstract

Gold nanoparticles (AuNP) with pyridyl end-capped polystyrenes (PS-4VP) as "quasi-monodentate" ligands self-assemble into ordered PS-4VP/AuNP nanostructures with 3D hexagonal spatial order in the dried solid state. The key for the formation of these ordered structures is the modulation of the ratio AuNP versus ligands, which proves the importance of ligand design and quantity for the preparation of novel ordered polymer/metal nanoparticle conjugates. Although the assemblies of PS-4VP/AuNP in dispersion lack in high dimensional order, strong plasmonic interactions are observed due to close contact of AuNP. Applying temperature as an external stimulus allows the reversible distortion of plasmonic interactions within the AuNP nanocomposite structures, which can be observed directly by naked eye. The modulation of the macroscopic optical properties accompanied by this structural distortion of plasmonic interaction opens up very interesting sensoric applications.

Original language	English
Pages (from-to)	215-220
Number of pages	6
Journal	Macromolecular Rapid Communications
Volume	37
Issue number	3
DOIs	https://doi.org/10.1002/marc.201500509
Publication status	Published - 1 Feb 2016
MoE publication type	A1 Journal article-refereed

Keywords

gold nanoparticles
nanostructures
self-assembly
sensors

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10.1002/marc.201500509

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title = "Self-Organization of Gold Nanoparticle Assemblies with 3D Spatial Order and Their External Stimuli Responsiveness",

abstract = "Gold nanoparticles (AuNP) with pyridyl end-capped polystyrenes (PS-4VP) as {"}quasi-monodentate{"} ligands self-assemble into ordered PS-4VP/AuNP nanostructures with 3D hexagonal spatial order in the dried solid state. The key for the formation of these ordered structures is the modulation of the ratio AuNP versus ligands, which proves the importance of ligand design and quantity for the preparation of novel ordered polymer/metal nanoparticle conjugates. Although the assemblies of PS-4VP/AuNP in dispersion lack in high dimensional order, strong plasmonic interactions are observed due to close contact of AuNP. Applying temperature as an external stimulus allows the reversible distortion of plasmonic interactions within the AuNP nanocomposite structures, which can be observed directly by naked eye. The modulation of the macroscopic optical properties accompanied by this structural distortion of plasmonic interaction opens up very interesting sensoric applications.",

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year = "2016",

month = feb,

day = "1",

doi = "10.1002/marc.201500509",

language = "English",

volume = "37",

pages = "215--220",

journal = "Macromolecular Rapid Communications",

issn = "1022-1336",

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}

Self-Organization of Gold Nanoparticle Assemblies with 3D Spatial Order and Their External Stimuli Responsiveness. / Köhn Serrano, Melissa S.; König, Tobias A F; Haataja, Johannes S.; Löbling, Tina I.; Schmalz, Holger; Agarwal, Seema; Fery, Andreas; Greiner, Andreas.

In: Macromolecular Rapid Communications, Vol. 37, No. 3, 01.02.2016, p. 215-220.

Research output: Contribution to journal › Article › Scientific › peer-review

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T1 - Self-Organization of Gold Nanoparticle Assemblies with 3D Spatial Order and Their External Stimuli Responsiveness

AU - Köhn Serrano, Melissa S.

AU - König, Tobias A F

AU - Haataja, Johannes S.

AU - Löbling, Tina I.

AU - Schmalz, Holger

AU - Agarwal, Seema

AU - Fery, Andreas

AU - Greiner, Andreas

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AB - Gold nanoparticles (AuNP) with pyridyl end-capped polystyrenes (PS-4VP) as "quasi-monodentate" ligands self-assemble into ordered PS-4VP/AuNP nanostructures with 3D hexagonal spatial order in the dried solid state. The key for the formation of these ordered structures is the modulation of the ratio AuNP versus ligands, which proves the importance of ligand design and quantity for the preparation of novel ordered polymer/metal nanoparticle conjugates. Although the assemblies of PS-4VP/AuNP in dispersion lack in high dimensional order, strong plasmonic interactions are observed due to close contact of AuNP. Applying temperature as an external stimulus allows the reversible distortion of plasmonic interactions within the AuNP nanocomposite structures, which can be observed directly by naked eye. The modulation of the macroscopic optical properties accompanied by this structural distortion of plasmonic interaction opens up very interesting sensoric applications.

KW - gold nanoparticles

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Self-Organization of Gold Nanoparticle Assemblies with 3D Spatial Order and Their External Stimuli Responsiveness

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