Chemically Selective Imaging of Individual Bonds through Scanning Electron Energy-Loss Spectroscopy : Disulfide Bridges Linking Gold Nanoclusters
Sokołowska, K., Luan, Z., Hulkko, E., Rameshan, C., Barrabés, N., Apkarian, V. A., & Lahtinen, T. (2020). Chemically Selective Imaging of Individual Bonds through Scanning Electron Energy-Loss Spectroscopy : Disulfide Bridges Linking Gold Nanoclusters. Journal of Physical Chemistry Letters, 11(3), 796-799. https://doi.org/10.1021/acs.jpclett.9b03496
Julkaistu sarjassa
Journal of Physical Chemistry LettersPäivämäärä
2020Oppiaine
Fysikaalinen kemiaOrgaaninen kemiaNanoscience CenterPhysical ChemistryOrganic ChemistryNanoscience CenterTekijänoikeudet
© 2020 American Chemical Society
As proof-of-principle of chemically selective, spatially resolved imaging of individual bonds, we carry out electron energy-loss spectroscopy in a scanning transmission electron microscopy instrument on atomically precise, thiolate-coated gold nanoclusters linked with 5,5′-bis(mercaptomethyl)-2,2′-bipyridine dithiol ligands. The images allow the identification of bridging disulfide bonds (R–S–S–R) between clusters, and X-ray photoelectron spectra support the finding.
Julkaisija
American Chemical SocietyISSN Hae Julkaisufoorumista
1948-7185Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/34190042
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This work was supported by the National Science Foundation Center for Chemical Innovation on Chemistry at the Space-Time Limit (CaSTL), Grant Number CHE-1414466. STEM-EELS characterization was performed at the user facilities of the UC Irvine Materials Research Institute (IMRI), including instrumentation funded in part by the National Science Foundation Major Research Instrumentation Program unde ...
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