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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pajić, Mila N. Krstajić Stevavić, Sanja I. Radmilović, Vuk V. Rogan, Jelena R. Radmilović, Velimir R. Gojković, Snežana Lj. Jovavić, Vladislava M. |
| Copyright Year | 2016 |
| Abstract | Pt nanoparticles supported on Vulcan XC-72R were synthesized by water-in-oil microemulsion method. By incorporating different amounts of HCl as a capping agent in the precursor-containing water phase, nanoparticle shape was varied. Influencing the growth of certain facets leads to the changes of the particle shape depending on the preferential facets. As a result, nanoparticles exhibit some of the electrochemical features typical for single crystals. Commonly employed synthesis procedure for water-in-oil microemulsion method was altered with the addition of catalyst support in the system and changing the catalyst cleaning steps. Prepared catalysts were characterized by thermogravimetric analysis (TGA), transmission electron microscopy (TEM) and electrochemical methods. Activity and stability for methanol oxidation reaction (MOR), a structure-sensitive reaction, were tested. Electrochemical results reveal the influence of particle size, shape and exposed facets on the electrochemical processes. TEM investigations confirm electrochemical findings, while TGA verifies Pt loading in catalyst powder. Based on the results, optimal HCl concentration for cubic particle formation is determined, and structural effect on MOR activity and stability was tested. Cuboidal NPs show very good reaction activity and fair stability under applied experimental conditions. |
| Starting Page | 3405 |
| Ending Page | 3414 |
| Page Count | 10 |
| File Format | |
| ISSN | 14328488 |
| Journal | Journal of Solid State Electrochemistry |
| Volume Number | 20 |
| Issue Number | 12 |
| e-ISSN | 14330768 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-07-07 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Pt nanoparticles Microemulsion method Methanol electrooxidation Electrocatalysis Fuel cell Physical Chemistry Electrochemistry Energy Storage Characterization and Evaluation of Materials Analytical Chemistry Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry |
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