Template-Free Supracolloidal Self-Assembly of Atomically Precise Gold Nanoclusters: From 2D Colloidal Crystals to Spherical Capsids

Nonappa Nonappa; Tanja Lahtinen; Johannes S. Haataja; Tiia Riikka Tero; Hannu Häkkinen; Olli Ikkala

doi:10.1002/anie.201609036

Template-Free Supracolloidal Self-Assembly of Atomically Precise Gold Nanoclusters: From 2D Colloidal Crystals to Spherical Capsids

Nonappa Nonappa, Tanja Lahtinen, Johannes S. Haataja, Tiia Riikka Tero, Hannu Häkkinen, Olli Ikkala

University of Jyväskylä

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

96 Citations (Scopus)

Abstract

We report supracolloidal self-assembly of atomically precise and strictly monodisperse gold nanoclusters involving p-mercaptobenzoic acid ligands (Au₁₀₂-pMBA₄₄) under aqueous conditions into hexagonally packed monolayer-thick two-dimensional facetted colloidal crystals (thickness 2.7nm) and their bending to closed shells leading to spherical capsids (d ca. 200nm), as controlled by solvent conditions. The 2D colloidal assembly is driven in template-free manner by the spontaneous patchiness of the pMBA ligands around the Au₁₀₂-pMBA₄₄ nanoclusters preferably towards equatorial plane, thus promoting inter-nanocluster hydrogen bonds and high packing to planar sheets. More generally, the findings encourage to explore atomically precise nanoclusters towards highly controlled colloidal self-assemblies.

Original language	English
Pages (from-to)	16035-16038
Number of pages	4
Journal	Angewandte Chemie
Volume	55
Issue number	52
DOIs	https://doi.org/10.1002/anie.201609036
Publication status	Published - 23 Nov 2016
MoE publication type	A1 Journal article-refereed

Keywords

Colloidal crystals
Colloidal self-assembly
Gold nanoclusters
Hydrogen bonds
Supramolecular chemistry

Access to Document

10.1002/anie.201609036

http://urn.fi/URN:NBN:fi:jyu-201704051909

Cite this

@article{56c325e751294f8aa16474b210afb1dc,

title = "Template-Free Supracolloidal Self-Assembly of Atomically Precise Gold Nanoclusters: From 2D Colloidal Crystals to Spherical Capsids",

abstract = "We report supracolloidal self-assembly of atomically precise and strictly monodisperse gold nanoclusters involving p-mercaptobenzoic acid ligands (Au102-pMBA44) under aqueous conditions into hexagonally packed monolayer-thick two-dimensional facetted colloidal crystals (thickness 2.7nm) and their bending to closed shells leading to spherical capsids (d ca. 200nm), as controlled by solvent conditions. The 2D colloidal assembly is driven in template-free manner by the spontaneous patchiness of the pMBA ligands around the Au102-pMBA44 nanoclusters preferably towards equatorial plane, thus promoting inter-nanocluster hydrogen bonds and high packing to planar sheets. More generally, the findings encourage to explore atomically precise nanoclusters towards highly controlled colloidal self-assemblies.",

keywords = "Colloidal crystals, Colloidal self-assembly, Gold nanoclusters, Hydrogen bonds, Supramolecular chemistry",

author = "Nonappa Nonappa and Tanja Lahtinen and Haataja, {Johannes S.} and Tero, {Tiia Riikka} and Hannu H{\"a}kkinen and Olli Ikkala",

year = "2016",

month = nov,

day = "23",

doi = "10.1002/anie.201609036",

language = "English",

volume = "55",

pages = "16035--16038",

journal = "Angewandte Chemie",

issn = "1433-7851",

publisher = "Wiley",

number = "52",

}

TY - JOUR

T1 - Template-Free Supracolloidal Self-Assembly of Atomically Precise Gold Nanoclusters

T2 - From 2D Colloidal Crystals to Spherical Capsids

AU - Nonappa, Nonappa

AU - Lahtinen, Tanja

AU - Haataja, Johannes S.

AU - Tero, Tiia Riikka

AU - Häkkinen, Hannu

AU - Ikkala, Olli

PY - 2016/11/23

Y1 - 2016/11/23

N2 - We report supracolloidal self-assembly of atomically precise and strictly monodisperse gold nanoclusters involving p-mercaptobenzoic acid ligands (Au102-pMBA44) under aqueous conditions into hexagonally packed monolayer-thick two-dimensional facetted colloidal crystals (thickness 2.7nm) and their bending to closed shells leading to spherical capsids (d ca. 200nm), as controlled by solvent conditions. The 2D colloidal assembly is driven in template-free manner by the spontaneous patchiness of the pMBA ligands around the Au102-pMBA44 nanoclusters preferably towards equatorial plane, thus promoting inter-nanocluster hydrogen bonds and high packing to planar sheets. More generally, the findings encourage to explore atomically precise nanoclusters towards highly controlled colloidal self-assemblies.

AB - We report supracolloidal self-assembly of atomically precise and strictly monodisperse gold nanoclusters involving p-mercaptobenzoic acid ligands (Au102-pMBA44) under aqueous conditions into hexagonally packed monolayer-thick two-dimensional facetted colloidal crystals (thickness 2.7nm) and their bending to closed shells leading to spherical capsids (d ca. 200nm), as controlled by solvent conditions. The 2D colloidal assembly is driven in template-free manner by the spontaneous patchiness of the pMBA ligands around the Au102-pMBA44 nanoclusters preferably towards equatorial plane, thus promoting inter-nanocluster hydrogen bonds and high packing to planar sheets. More generally, the findings encourage to explore atomically precise nanoclusters towards highly controlled colloidal self-assemblies.

KW - Colloidal crystals

KW - Colloidal self-assembly

KW - Gold nanoclusters

KW - Hydrogen bonds

KW - Supramolecular chemistry

UR - http://www.scopus.com/inward/record.url?scp=85006021788&partnerID=8YFLogxK

U2 - 10.1002/anie.201609036

DO - 10.1002/anie.201609036

M3 - Article

AN - SCOPUS:85006021788

SN - 1433-7851

VL - 55

SP - 16035

EP - 16038

JO - Angewandte Chemie

JF - Angewandte Chemie

IS - 52

ER -

Template-Free Supracolloidal Self-Assembly of Atomically Precise Gold Nanoclusters: From 2D Colloidal Crystals to Spherical Capsids

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

HYBER: The Academy of Finland's Centre of Excellence in Molecular Engineering of Biosynthetic Hybrid Materials research (2014-2019)

ERC Ikkala (ERC)

OtaNano

OtaNano - Nanomicroscopy Center

Cite this

Template-Free Supracolloidal Self-Assembly of Atomically Precise Gold Nanoclusters: From 2D Colloidal Crystals to Spherical Capsids

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Projects

HYBER: The Academy of Finland's Centre of Excellence in Molecular Engineering of Biosynthetic Hybrid Materials research (2014-2019)

ERC Ikkala (ERC)

Equipment

OtaNano

OtaNano - Nanomicroscopy Center

Cite this