Publications by authors named "Sanja I Stevanovic"
Article Synopsis
- - Surface morphology plays a crucial role in the effectiveness of electrocatalysts, and manipulating atomic-level structures can enhance their performance.
- - The study focused on how heat treatment in a specific reductive atmosphere at 300 °C influences the arrangement of surface atoms in platinum thin-film catalysts, improving their catalytic properties.
- - Results showed that increasing the proportion of (100) planes through thermal annealing can boost catalyst performance for methanol oxidation reactions significantly, highlighting a method for designing better electrocatalysts.
An ultrasonic irradiation was applied for the impregnation by chemical agents in the chemical activation process of new type of active carbon precursor. Plane tree seed, due to the unique fibrous structure and low cost is a promising eco-friendly raw material for the preparation of activated carbon materials. Ultrasonic irradiation was used for the impregnation step allowing the chemical activation by different agents: potassium or sodium hydroxide, hydrogen peroxide and pyrogallol.
View Article and Find Full Text PDFWe report on new insights into the relationships between structure and activity of glassy carbon (GC), as a model material for electrocatalyst support, during its anodization in acid solution. Our investigation strongly confirms the role of CFGs in promotion of Pt activity by the "spill-over" effect related to CO(ads) for methanol electrooxidation (MEO) on a carbon-supported Pt catalyst. Combined analysis of voltammetric and impedance behaviour as well as changes in GC surface morphology induced by intensification of anodizing conditions reveal an intrinsic influence of the carbon functionalization and the structure of a graphene oxide (GO) layer on the electrical and electrocatalytic properties of activated GC.
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