DOAJ Open Access 2021

X-ray Photoelectron Spectra of Ag-Au Colloidal Nanoparticles after Interaction with Linear Carbon Chains

Ivan S. Zhidkov Ernst Z. Kurmaev Marcello Condorelli Seif O. Cholakh Alexey S. Boyarchenkov +2 lainnya

Abstrak

The results of X-ray photoelectron spectra (XPS) characterization of the surface of Ag-Au colloidal nanoparticles (Ag-Au NPs), prepared by laser ablation in water before and after interaction with linear carbon chains (LCC), are presented. No additional features appear in high-energy resolved XPS core level spectra of Ag-Au NPs which indicates that surface is not oxidized. The measurements of XPS Ag 3d-spectrum of (Ag-Au)@LCC manifests the additional low-energy structure that is associated with the formation of Ag–C bonds. The charge transfer between Au atoms on the NPs surface and LCC was established. Additionally, some oxidation of the Ag atoms on the surface of (Ag-Au)@LCC is observed which arises during laser ablation in water. We assume that oxidative species will preferably interact with the areas outside the LCC instead of oxidizing the carbon chains which was confirmed by XPS C 1s spectra.

Penulis (7)

I

Ivan S. Zhidkov

E

Ernst Z. Kurmaev

M

Marcello Condorelli

S

Seif O. Cholakh

A

Alexey S. Boyarchenkov

E

Enza Fazio

L

Luisa D’Urso

Format Sitasi

Zhidkov, I.S., Kurmaev, E.Z., Condorelli, M., Cholakh, S.O., Boyarchenkov, A.S., Fazio, E. et al. (2021). X-ray Photoelectron Spectra of Ag-Au Colloidal Nanoparticles after Interaction with Linear Carbon Chains. https://doi.org/10.3390/app11020685

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Informasi Jurnal
Tahun Terbit
2021
Sumber Database
DOAJ
DOI
10.3390/app11020685
Akses
Open Access ✓