Journal
ACS APPLIED ENERGY MATERIALS
Volume 4, Issue 6, Pages 5388-5391Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsaem.1c01075
Keywords
amorphous; phosphorus-doped; graphene; electrocatalyst; oxygen reduction reaction
Funding
- Singapore Ministry of Education [MOE2017-T2-2-067]
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The study reports a simple one-step electroless reduction synthesis of amorphous phosphorus-doped graphene (RGO-P), which showed enhanced electrocatalytic performance for the oxygen reduction reaction (ORR). The amorphous nature of RGO-P was found to be essential for its high catalytic activity compared to crystalline reduced graphene oxide (RGO).
This study reports a simple one-step electroless reduction synthesis of amorphous phosphorus-doped graphene (RGO-P). In just 1 min, RGO-P was synthesized under ambient conditions via a one-step simultaneous reduction and doping of graphene oxide (GO). RGO-P was found to be amorphous with P being essential for the formation of the amorphous structure. RGO-P exhibited enhanced electrocatalytic performance for the oxygen reduction reaction (ORR). The amorphous RGO-P demonstrated superior specific activity and durability compared to crystalline reduced graphene oxide (RGO). Annealing results showed that the amorphous nature of RGO-P was the key factor in its high catalytic activity.
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