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Article

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

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Institute of Physics and Technology, Ural Federal University, Mira Street 21, 620002 Yekaterinburg, Russia
2
M.N. Mikheev Institute of Metal Physics, Russian Academy of Sciences, Ural Branch, S. Kovalevskaya Street 18, 620990 Yekaterinburg, Russia
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Dipartimento di Scienze Chimiche, Universita’ di Catania, Viale Andrea Doria 6, 95125 Catania, Italy
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Institute of Natural Science, Ural Federal University, Kuibysheva Street 48, 620026 Yekaterinburg, Russia
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Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina, 98166 Messina, Italy
*
Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(2), 685; https://doi.org/10.3390/app11020685
Received: 9 December 2020 / Revised: 8 January 2021 / Accepted: 10 January 2021 / Published: 12 January 2021
(This article belongs to the Special Issue Practical Application of Functionalized Carbon-Based Nanomaterials)
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. View Full-Text
Keywords: XPS; linear carbon chains; nanoparticles; Ag-Au alloy; electronic structure; oxidation XPS; linear carbon chains; nanoparticles; Ag-Au alloy; electronic structure; oxidation
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MDPI and ACS Style

Zhidkov, I.S.; Kurmaev, E.Z.; Condorelli, M.; Cholakh, S.O.; Boyarchenkov, A.S.; Fazio, E.; D’Urso, L. X-ray Photoelectron Spectra of Ag-Au Colloidal Nanoparticles after Interaction with Linear Carbon Chains. Appl. Sci. 2021, 11, 685. https://doi.org/10.3390/app11020685

AMA Style

Zhidkov IS, Kurmaev EZ, Condorelli M, Cholakh SO, Boyarchenkov AS, Fazio E, D’Urso L. X-ray Photoelectron Spectra of Ag-Au Colloidal Nanoparticles after Interaction with Linear Carbon Chains. Applied Sciences. 2021; 11(2):685. https://doi.org/10.3390/app11020685

Chicago/Turabian Style

Zhidkov, Ivan S., Ernst Z. Kurmaev, Marcello Condorelli, Seif O. Cholakh, Alexey S. Boyarchenkov, Enza Fazio, and Luisa D’Urso. 2021. "X-ray Photoelectron Spectra of Ag-Au Colloidal Nanoparticles after Interaction with Linear Carbon Chains" Applied Sciences 11, no. 2: 685. https://doi.org/10.3390/app11020685

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