In-Situ Synthesis and In-Operando XPS Characterization of Gold and Silver Nanoparticles within Liquid Electrolytes

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dc.authorid0000-0003-3825-341X
dc.contributor.authorCamci, Merve Taner
dc.contributor.authorOral, Pelin
dc.contributor.authorKutbay, Ezgi
dc.contributor.authorSuzer, Sefik
dc.date.accessioned2024-11-11T06:31:09Z
dc.date.available2024-11-11T06:31:09Z
dc.date.issued2024-07-16
dc.departmentTENMAK-Nadir Toprak Elementleri Araştırma Enstitüsü
dc.description.abstractMetal nanoparticles have several applications due to their unique properties that differ from bulk material. Due to their different chemical, physical and biological properties, NP’s used in optical sensors, diagnostics, electronics, health care, cosmetics, textile, pharmaceutical industry and cancer treatment, which makes synthesis of nanoparticles also important. In this project, Silver, Gold and Platinum NP’s were synthesized in situ electrochemically. Via XPS, NP’s can be determined by application of positive and negative voltages. In first experiment, for the synthesis of silver nanoparticles ionic liquid (DEME-TFSI), PEG and HAuCl4 salt mixture was used. Second experiment conducted via silver electrodes and ionic liquid DEME-TFSI for synthesis of silver NP’S. In third experiment, gold NPs were synthesized with PEG and HAuCl4 mixture. Another experiment done for synthesis of gold NPs with ionic liquid. DEME-TFSI + HAuCl4 mixture and UV-Visible Spectroscopy was used for characterization. In another experiment, for synthesis of Platinum NPs, Pt electrode, Pt wire and PEG was used. As a last experiment, silver NPs synthesized with Pt electrode, silver wire and PEG- HAuCl4 mixture. For characterization of NP’s, shifts under the applied voltage bias in C 1s and O1s, which correspond to PEG, F1 for IL and Pt 4f, Au 4f and Ag 3d binding energies that were obtained from XPS are compared. Similar shifts refers to being in the same medium, therefore when BE’s of metals shifts along with their medium (IL or PEG), it can be deduced that metal NP’s were produced within the existing liquid medium.
dc.identifier.urihttps://kurumsalarsiv.tenmak.gov.tr/handle/20.500.12878/2037
dc.institutionauthorCamci, Merve Taner
dc.publisherTürkiye Enerji, Nükleer ve Maden Araştırma Kurumu (TENMAK)
dc.titleIn-Situ Synthesis and In-Operando XPS Characterization of Gold and Silver Nanoparticles within Liquid Electrolytes
dc.typeconferenceObject
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