Journal
EUROPEAN POLYMER JOURNAL
Volume 99, Issue -, Pages 511-517Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2018.01.008
Keywords
Poly(anilineboronic acid); Graphene nanoplatelets; Doping; Electrocatalyst; Oxygen reduction reaction
Categories
Funding
- Creative Research Initiative (CRI) [2014R1A3A2069102]
- Science Research Center (SRC) [2016R1A5A1009405]
- BK21 PLUS [10Z20130011057]
- Climate Change programs through the National Research Foundation (NRF) of Korea [2016M1A2A2940910]
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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 degrees 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.
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