Nitrogen, sulfur and phosphorus-codoped carbon with a tunable nanostructure as an efficient electrocatalyst for the oxygen reduction reaction
RSC Advances, ISSN: 2046-2069, Vol: 7, Issue: 10, Page: 5782-5789
2017
- 17Citations
- 11Captures
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Article Description
Novel types of N,S,P-codoped carbons with varied nanostructures are developed as efficient and stable electrocatalysts for the oxygen reduction reaction (ORR). The carbon catalysts were facilely prepared using poly(cyclotriphosphazene-co-4,4′-sulfonyldiphenol) (PZS) nanospheres as single precursors through a pyrolysis procedure in the presence or absence of melamine. The as-prepared microporous carbon nanospheres NSP-PC-1 with a high surface area (967 m g) exhibit a significantly enhanced ORR catalytic activity compared to their solely N-doped counterpart (N-PC-1), suggesting the remarkable contribution of additional S,P-doping on the ORR performance. More importantly, the as-prepared mesoporous carbon nanosheets NSP-PC-2 with a moderately high surface area (613 m g) and comparable overall NSP content show greatly improved ORR catalytic activity relative to that of NSP-PC-1, which is even slightly superior to that of commercial Pt/C catalysts. The excellent performance of NSP-PC-2 is mainly attributed to its proper N,S,P-codoping as well as advanced structural features.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85010411585&origin=inward; http://dx.doi.org/10.1039/c6ra21540h; https://xlink.rsc.org/?DOI=C6RA21540H; http://xlink.rsc.org/?DOI=C6RA21540H; http://pubs.rsc.org/en/content/articlepdf/2017/RA/C6RA21540H; https://dx.doi.org/10.1039/c6ra21540h; https://pubs.rsc.org/en/content/articlelanding/2017/ra/c6ra21540h
Royal Society of Chemistry (RSC)
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