N-doping goes sp-hybridizedN-doping goes <i>sp</i>-hybridized, Published online: 21 August 2018; doi:10.1038/s41557-018-0129-1Specific forms of nitrogen doping can endow carbon-based metal-free materials with electrocatalytic activity. Now, introducing sp-hybridized nitrogen atoms into some acetylenic sites of ultra-thin graphdiyne — a highly π-conjugated lamellar carbon allotrope — has led to excellent oxygen reduction reaction activity.

Published in: "Nature Chemistry (Advanced Online Publication)".