Boron-nitrogen-phosphorous doped graphene nanoplatelets for enhanced electrocatalytic activity
| Autor: | Sun-Hee Shin, Parimal Routh, Sun-Min Jung, Jong-Beom Baek, In-Yup Jeon, Hyun-Jung Choi |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Conductive polymer
Thermogravimetric analysis Materials science Polymers and Plastics Organic Chemistry Doping General Physics and Astronomy chemistry.chemical_element 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences chemistry.chemical_compound symbols.namesake chemistry X-ray photoelectron spectroscopy Transmission electron microscopy Materials Chemistry symbols 0210 nano-technology Raman spectroscopy Boron Phosphoric acid Nuclear chemistry |
| Zdroj: | European Polymer Journal. 99:511-517 |
| ISSN: | 0014-3057 |
| Popis: | Doping with foreign atoms is a powerful technique for modifying the inherent properties of a host materials. In this work, we report a strategy for preparing multiple heteroatom-doped graphene nanoplatelets (GnPs). Poly(anilineboronic acid, PABA), which is one of the conducting polymers, was in-situ grafted to edge-amine functionalized GnPs (A-GnPs) in phosphoric acid. The isolated PABA grafted A-GnPs phosphoric acid salts (PA-GnP salts) were heat-treated at 900 °C under argon atmosphere to yield boron (B)-nitrogen (N)-phosphorus (P) doped GnPs (BNP-GnPs). The structure of the BNP-GnPs was confirmed by various techniques, including transmission electron microscopy, scanning electronic microscopy, X-ray photoelectron spectroscopy, Raman spectroscopy and thermogravimetric analysis. The BNP-GnPs demonstrated significantly improved electrocatalytic activity towards the oxygen reduction reaction, suggesting that BNP-GnPs can be one of the best alternatives to precious Pt-based electrocatalysts. |
| Databáze: | OpenAIRE |
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