Journal of Siberian Federal University. Chemistry / Electrochemical Behavior of Palladium-Containing Nanoparticles on a Carbon Electrode in Hydrochloric Acid Solutions

Full text (.pdf)
Issue
Journal of Siberian Federal University. Chemistry. 2019 12 (1)
Authors
Romanchenko, Alexander S.; Likhatski, Maxim N.; Karacharov, Anton A.; Mikhlin, Yuri L.
Contact information
Romanchenko, Alexander S.: Institute of Chemistry and Chemical Technology SB RAS FRC “Krasnoyarsk Scientific Center of the SB RAS” 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia; ; Likhatski, Maxim N.: Institute of Chemistry and Chemical Technology SB RAS FRC “Krasnoyarsk Scientific Center of the SB RAS” 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia; Karacharov, Anton A.: Institute of Chemistry and Chemical Technology SB RAS FRC “Krasnoyarsk Scientific Center of the SB RAS” 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia; Mikhlin, Yuri L.: Institute of Chemistry and Chemical Technology SB RAS FRC “Krasnoyarsk Scientific Center of the SB RAS” 50/24 Akademgorodok, Krasnoyarsk, 660036, Russia
Keywords
electrochemistry; nanoparticles; palladium; sulfur; immobilization; carbon; cyclic voltammetry; X-ray photoelectron spectroscopy
Abstract

The electrochemical behavior of metallic palladium nanoparticles obtained by reducing H2PdCl4 with formaldehyde and the products of the interaction of H2PdCl4 with sodium sulfide with a different ratio of reagents in a solution of hydrochloric acid was studied by the method of cyclic voltammetry. Voltammograms of metallic and sulfide nanoparticles were obtained, and interpretation was given to the observed electrochemical processes. The initial and oxidized systems with different potential values were characterized by X-ray photoelectron spectroscopy (XPS). It is shown that palladium sulfide nanoparticles, obtained at high molar ratios of reagents (S/Pd = 3:1), are more resistant to oxidative and reducing effects than those obtained at low molar ratios (S/Pd = 1:1)

Pages
42-53
Paper at repository of SibFU
https://elib.sfu-kras.ru/handle/2311/109512