Graphene/graphene nanoribbon aerogels as tunable three-dimensional framework for efficient hydrogen evolution reaction. Zhen Sun, Wei Fan*, Tianxi Liu* .  Electrochimica Acta 250 (2017) 91–98 .[pdf]

Graphene/graphene nanoribbon (GGNR) hybrid aerogel with nanoribbon-interconnected-nanosheet structure serve as a highly conductive three-dimensional framework for efficient hydrogen evolution reaction.