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Microwave-Assisted Synthesis of Nitrogen and Phosphorus Co-Doped Mesoporous Carbon and Their Potential Application in Alkaline Fuel Cells

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A simple, highly efficient, and rapid method for the synthesis of carbon microspheres doped with both phosphorus and nitrogen using microwaves is reported. The microwave assisted carbonization of a tannin-melaminehexamine polymer in the presence of polyphosphoric acid gives yields approaching 20.5% from the carbon precursor. The method uses no inert or reducing gas during the transformation. Elemental analysis from XPS studies confirmed the doping of nitrogen and phosphorus in a sp2 hybridized carbon lattice. The content of phosphorus is 2.98% while that of nitrogen is 1.12%. The spheres are mesoporous with a BET surface area of ∼1000 m2/g and show significant promise in oxygen reduction reactions and are potential candidates for use in fuel cells.
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Document Type: Research Article

Publication date: September 1, 2013

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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