Synthesis and Properties of Monolayer-Protected Cox(SC2H4Ph)m Nanoclusters

Stephan Pollitt; Ernst Pittenauer; Christoph Rameshan; Thomas Schachinger; Olga V. Safonova; Vera Truttmann; Abhijit Bera; Günter Allmaier; Noelia Barrabés; Günther Rupprechter

doi:10.1021/acs.jpcc.6b12076

Synthesis and Properties of Monolayer-Protected Co_x(SC₂H₄Ph)_m Nanoclusters

Stephan Pollitt
, Ernst Pittenauer
, Christoph Rameshan
, Thomas Schachinger
, Olga V. Safonova
, Vera Truttmann
, Abhijit Bera
, Günter Allmaier
, Noelia Barrabés
, Günther Rupprechter

Technische Universität Wien
Paul Scherrer Institut

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Begutachtung

11 Zitate (Scopus)

Abstract

Nanometer-sized and stable thiolate-protected cobalt clusters were synthesized by a wet chemical method, leading to a pink solution with well-defined optical activity (ultraviolet–visible) and photoluminescence. The cobalt cluster core of ∼1.3 nm size was metallic (as indicated by scanning transmission electron microscopy, scanning tunneling microscopy, X-ray photoelectron spectroscopy, electron-energy loss spectroscopy) and was surrounded by a specific configuration of thiolate staples (according to Raman spectra, Fourier transfrom infrared spectroscopy, X-ray absorption fine structure, matrix-assisted laser desorption ionization) that is similar to that of corresponding gold clusters.

Originalsprache	Englisch
Seiten (von - bis)	10948-10956
Seitenumfang	9
Fachzeitschrift	Journal of Physical Chemistry C
Jahrgang	121.2017
Ausgabenummer	20
DOIs	https://doi.org/10.1021/acs.jpcc.6b12076
Publikationsstatus	Veröffentlicht - 22 Feb. 2017
Extern publiziert	Ja

Bibliographische Notiz

Funding Information:
This work was supported by the Austrian Science Fund (FWF) through the international DACH program I 1041-N28 (COMCAT) and through project SFB FOXSI (F4502-N16). Beamtime Proposal (20155134) granted at Ellectra Synchrotron. We thank the Swiss Light Source for granting beamtime at the SuperXAS beamline. We are grateful to Bei Zhang, Annelies Seels, and Giovanni Salassa from University of Geneva for help with the XAS measurements, Philipp Baloh from TU-Wien for Raman measurements, and Prof. Thomas Burgi for helpful discussions.

Publisher Copyright:
© 2017 American Chemical Society.

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AU - Rameshan, Christoph

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AU - Safonova, Olga V.

AU - Truttmann, Vera

AU - Bera, Abhijit

AU - Allmaier, Günter

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AU - Rupprechter, Günther

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