0D: 1D: 2D, 3D	zero-, one-, two-, three-dimensional
AFM	atomic force microscopy
BD	boron-doped, e.g., BDND—boron-doped nanodiamond
CVD	chemical vapor deposition
DFT	density functional theory
EDCL	electrochemical double-layer capacitance
EFE	electron field emission
FET	field-effect transistor
GC	glassy carbon
GO	graphene oxide
GN	graphene
HPHT	high-pressure high-temperature
HRTEM	high-resolution transmission electron microscopy
ML	multi-layer, e.g., MLGN—multi-layer graphene
ND	nanodiamond
NV	nitrogen-vacancy
ORR	oxygen reduced reaction
PCD	polycrystalline diamond compact
RGO	reduced graphene oxide
TBG	twisted bilayer graphene
UNCD	ultra-nanocrystalline diamond
UV	ultraviolet
vdW	van der Waals
XRD	X-ray diffraction