atm	atmospheres
Ar	Argon
AQ	Anthraquinone
BQC	2,2′-biquinoline-4,4′-dicarboxylic acid dipotassium salt
BiOBr	Bismuth bromide oxide
CBr4	Tetrabromomethane
CeO2	Ceric oxide
CF	Carbon felt
CF3SO2Na	trifluoromethanesulfinate
Co	Cobalt
Co(OAc)2	Cobalt (II) acetate
Conv.	Conversion
Cu	Copper
CuCl2	Copper (II) Chloride
Cu2O	Copper (I) oxide
CuO	Copper (II) oxide
CuI	Copper iodide
Cu2(O2CR)4	Copper (II) carboxylate
CuOTf	Copper triflate
Cr	Chromium
CPET	Concerted proton–electron transfer
DDQ	2,3-dichloro-5,6-dicyano-1,4-benzoquinone
DMF	Dimethyl formamide
DMSO	Dimethyl sulfoxide
DTBP	Di
EtOH	Ethanol
EPR	Electro paramagnetic resonance
Fe(NO3)3·9H2O	Iron (III) nitrate nonahydrate
GC	Glassy Carbon
GF	Graphite Felt
GVL	-valerolactone
h	hours
HAT	Hydrogen atom transfer
HCl	Hydrochloric acid
H2C2O4·H2O	Oxalic acid dihydrate
H2O	Water
H2O2	Hydrogen peroxide
HMS	Hexagonal mesoporous silica
K	Kelvin
K2CO3	Potassium carbonate
KPF6	Potassium hexafluorophosphate
KI	Potassium iodide
LaMnO3	Lanthanium manganite
LED	Light-emitting diode
MeCN	Acetonitrile
Mg6MnO8	Murchodite-type oxide
MgFe-LDH	Magnesium-iron layered double hydroxide
MFM-170	[Cu2(L)](H4L = 4′, 4′′′-(pyridine-3,5-diyl)bis([1,1′-biphenyl]-3,5-dicarboxylic acid
mL	milliliters
Mn	Manganese
Mn-ZSM-5-50	Manganese-incorporated ZSM-5 zeolite
MOFs	Metal–organic frameworks
MPa	Megapascals
Na	Sodium
Na2CO3	Sodium carbonate
NBu4Cl	Tetrabutylammonium chloride
nBu4NI	Tetrabutyl ammonium iodide
NFSI	N-fluorobenzenesulfonimide
NHI	N-Hydroxyimide
NHPI	N-hydroxyphthalimide
(NH4)3[CrMo6O18(OH)6]	Ammonium Hexamolybdochromate(III)
Ni(OTf)2	Nickel (II) trifluoromethanesulfonate
Ni2Mn-LDH	Nickel-manganese layered double hydroxide
nm	Nanometers
O2	Molecular oxygen
PC-4	6-Bromobenzo[d]thiazole
Pd	Palladium
PhCN	Benzonitrile
[Ph3C]+[B(C6F5)4]−	Triphenylmethyliumtetrakis(perfluorophenyl)borate
POMOFs	Polyoxometalate-based metal–organic frameworks
iPrOH	Isopropyl alcohol
Pt	Platinum
PT-ET	Proton-transfer/electron-transfer
rpm	Rotations per minute
rt	Room temperature
RuO2	Ruthenium dioxide
Select.	Selectivity
SPXRD	Synchroton powder X-ray diffraction
SS	Stainless steel
T(2,3,6-triCl)PPCo	5,10,15,20-Tetrakis(2,3,6-trichlorophenyl)porphyrin Cobalt (II)
TBAC	Tetrabutylammonium chloride
TBHP	tert-Butyl Hydroperoxide
TEMPO	2,2,6,6-tetramethyl,1-piperidonyloxy
TiO2	Titanium dioxide
UV	Ultraviolet
UVA	Ultraviolet A
UVB	Ultraviolet B
V2O5	Vanadium (V) pentoxide