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7 papers · 1 filter
The Effects of Exfoliation, Organic Solvents and Anodic Activation on Catalytic Hydrogen Evolution Reaction of Tungsten Disulfide
Wanglian Liu, John Benson, Craig Dawson +5
The rational design of transition metal dichalcogenide electrocatalysts for efficiently catalyzing hydrogen evolution reaction (HER) is believed to lead to the generation of a rene…
Electrocatalytic Hydrogen Evolution Reaction on Edges of a Few Layer Molybdenum Disulfide Nanodots
John Benson, Meixian Li, Shuangbao Wang +2
The design and development of inexpensive highly efficient electrocatalysts for hydrogen production, underpins several emerging clean-energy technologies. In this work, for the fir…
Tuning the catalytic activity of graphene nanosheets for oxygen reduction reaction via size and thickness reduction
John Benson, Qian Xu, Peng Wang +5
Currently, the fundamental factors that control the oxygen reduction reaction (ORR) activity of graphene itself, in particular the dependence of the ORR activity on the number of e…
Nitrogen-Functionalized Graphene Nanoflakes (GNFs:N): Tunable Photoluminescence and Electronic Structures
J. W. Chiou, Sekhar C. Ray, S. I. Peng +22
This study investigates the strong photoluminescence (PL) and X-ray excited optical luminescence observed in nitrogen-functionalized 2D graphene nanoflakes (GNFs:N), which arise fr…
Thermal stability study of nitrogen functionalities in a graphene network
Ajay Kumar, Abhijit Ganguly, Pagona Papakonstantinou
Catalyst-free vertically aligned graphene nanoflakes possessing a large amount of high density edge planes were functionalized using nitrogen species in a low energy N+ ion bombard…
Controllable selective exfoliation of high-quality graphene nanosheets and nanodots by ionic liquid assisted grinding
Nai Gui Shang, Pagona Papakonstantinou, Surbhi Sharma +6
Bulk quantities of graphene nanosheets and nanodots have been selectively fabricated by mechanical grinding exfoliation of natural graphite in a small quantity of ionic liquids. Th…