Intimately coupled hybrid of g-C3N4 nanoflakelets with rGO is fabricated via an in situ chemical synthesis approach.
The detailed forming process of CNNF-G composite is carefully investigated.
The Pd-CNNF-G composite exhibits exceptional catalytic activity and durability.
The real fuel cells have been assembled to evaluate the performance of the electrocatalysts.
The effects of g-C3N4 nanoflakelets on Pd atom were investigated by DFT computations.