Simple and Efficient Separation of Atomically Precise Noble Metal Clusters

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Simple and Efficient Separation of Atomically Precise Noble Metal Clusters. / Ghosh, Atanu; Hassinen, Jukka; Pulkkinen, Petri; Tenhu, Heikki; Ras, Robin H. A.; Pradeep, Thalappil.

julkaisussa: Analytical Chemistry, Vuosikerta 86, Nro 24, 16.12.2014, s. 12185-12190.

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

Harvard

Ghosh, A, Hassinen, J, Pulkkinen, P, Tenhu, H, Ras, RHA & Pradeep, T 2014, 'Simple and Efficient Separation of Atomically Precise Noble Metal Clusters', Analytical Chemistry, Vuosikerta. 86, Nro 24, Sivut 12185-12190. https://doi.org/10.1021/ac503165t

APA

Vancouver

Author

Ghosh, Atanu ; Hassinen, Jukka ; Pulkkinen, Petri ; Tenhu, Heikki ; Ras, Robin H. A. ; Pradeep, Thalappil. / Simple and Efficient Separation of Atomically Precise Noble Metal Clusters. Julkaisussa: Analytical Chemistry. 2014 ; Vuosikerta 86, Nro 24. Sivut 12185-12190.

Bibtex - Lataa

@article{0995387d436a405fabf7900adc0f4e45,
title = "Simple and Efficient Separation of Atomically Precise Noble Metal Clusters",
abstract = "There is an urgent need for accessible purification and separation strategies of atomically precise metal clusters in order to promote the study of their fundamental properties. Although the separation of mixtures of atomically precise gold clusters Au25L18, where L are thiolates, has been demonstrated by advanced separation techniques, we present here the first separation of metal clusters by thin-layer chromatography (TLC), which is simple yet surprisingly efficient. This method was successfully applied to a binary mixture of Au25L18 with different ligands, as well as to a binary mixture of different cluster cores, Au-25 and Au-144, protected with the same ligand. Importantly, TLC even enabled the challenging separation of a multicomponent mixture of mixed-monolayer-protected Au-25 clusters with closely similar chemical ligand compositions. We anticipate that the realization of such simple yet efficient separation technique will progress the detailed investigation of cluster properties.",
keywords = "LIGAND-EXCHANGE REACTIONS, PROTECTED GOLD CLUSTERS, AU-25 CLUSTERS, CRYSTAL-STRUCTURE, NANOPARTICLES, NANOCLUSTERS, FUNCTIONALIZATION, NANOMOLECULES, CONVERSION, STABILITY",
author = "Atanu Ghosh and Jukka Hassinen and Petri Pulkkinen and Heikki Tenhu and Ras, {Robin H. A.} and Thalappil Pradeep",
year = "2014",
month = "12",
day = "16",
doi = "10.1021/ac503165t",
language = "English",
volume = "86",
pages = "12185--12190",
journal = "Analytical Chemistry",
issn = "0003-2700",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "24",

}

RIS - Lataa

TY - JOUR

T1 - Simple and Efficient Separation of Atomically Precise Noble Metal Clusters

AU - Ghosh, Atanu

AU - Hassinen, Jukka

AU - Pulkkinen, Petri

AU - Tenhu, Heikki

AU - Ras, Robin H. A.

AU - Pradeep, Thalappil

PY - 2014/12/16

Y1 - 2014/12/16

N2 - There is an urgent need for accessible purification and separation strategies of atomically precise metal clusters in order to promote the study of their fundamental properties. Although the separation of mixtures of atomically precise gold clusters Au25L18, where L are thiolates, has been demonstrated by advanced separation techniques, we present here the first separation of metal clusters by thin-layer chromatography (TLC), which is simple yet surprisingly efficient. This method was successfully applied to a binary mixture of Au25L18 with different ligands, as well as to a binary mixture of different cluster cores, Au-25 and Au-144, protected with the same ligand. Importantly, TLC even enabled the challenging separation of a multicomponent mixture of mixed-monolayer-protected Au-25 clusters with closely similar chemical ligand compositions. We anticipate that the realization of such simple yet efficient separation technique will progress the detailed investigation of cluster properties.

AB - There is an urgent need for accessible purification and separation strategies of atomically precise metal clusters in order to promote the study of their fundamental properties. Although the separation of mixtures of atomically precise gold clusters Au25L18, where L are thiolates, has been demonstrated by advanced separation techniques, we present here the first separation of metal clusters by thin-layer chromatography (TLC), which is simple yet surprisingly efficient. This method was successfully applied to a binary mixture of Au25L18 with different ligands, as well as to a binary mixture of different cluster cores, Au-25 and Au-144, protected with the same ligand. Importantly, TLC even enabled the challenging separation of a multicomponent mixture of mixed-monolayer-protected Au-25 clusters with closely similar chemical ligand compositions. We anticipate that the realization of such simple yet efficient separation technique will progress the detailed investigation of cluster properties.

KW - LIGAND-EXCHANGE REACTIONS

KW - PROTECTED GOLD CLUSTERS

KW - AU-25 CLUSTERS

KW - CRYSTAL-STRUCTURE

KW - NANOPARTICLES

KW - NANOCLUSTERS

KW - FUNCTIONALIZATION

KW - NANOMOLECULES

KW - CONVERSION

KW - STABILITY

U2 - 10.1021/ac503165t

DO - 10.1021/ac503165t

M3 - Article

VL - 86

SP - 12185

EP - 12190

JO - Analytical Chemistry

JF - Analytical Chemistry

SN - 0003-2700

IS - 24

ER -

ID: 753421