BDT	Benzo[1,2-b:4,5-b’]dithiophene
BHJ	Bulk-HeteroJunction solar cells
BPAPF	9,9-bis[4-(N,N-bis-biphenyl-4-yl-amino)phenyl]-9H-fluorene
D–A	Donor–Acceptor
DCM	Dichloromethane
DFB	Distributed Feedback laser
DPP	Diketopyrrolopyrrole
ETL	Electron Transporting Layer (ETL)
FF	Fill Factor
HOMO	Highest Occupied Molecular Orbital
HTL	Hole Transporting Layer
ITO	Indium Tin Oxide
Jsc	Short-circuit current Density
LUMO	Lowest Unoccupied Molecular Orbital
MH250	N,N-bis(fluoren-2-yl)-naphthalenetetracarboxylic diimide(bis-Hfl-NTCDI)
MMA	Methyl Methacrylate
MoO3	Molibdenum Oxide
NDP9	Organic p-type dopant of Novaled GmbH
NIR	Near InfraRed
OPV	Organic PhotoVoltaic
OSC	Organic Solar Cell
P3HT	Poly(3-hexylthiophene-2,5-diyl)
PAZO-Na	Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-Ethanediyl, sodium salt]
PCE	Power Conversion Efficiency
p-DTS-(FBTTh2)2	7,7′-[4,4-Bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b′]dithiophene-2,6-diyl]bis[6-Fluoro-4-(5′-hexyl-[2,2′-bithiophen]-5-yl)benzo[c][1,2,5]thiadiazole]
PEDOT:PSS	Poly(3,4-ethylenedioxythiophene) polystyrene sulfonate
PEIE	Polyethylenimine ethoxylated
PFN	Poly[9,9-bis(3′-(N,N-dimethylamino)propyl)-2,7-fluorene
PL	Photoluminescence
PMMA	Poly(methyl methacrylate)
PTB7-Th	Poly([2,6′-4,8-di(5-ethylhexylthienyl)benzo[1,2-b;3,3-b]dithiophene]{3-fluoro-2[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl})
SCLC	Space-Charge Limited-Current
SVA	Solvent Vapor Annealing
TA	Thermal Annealing
TAT	Triazatruxene
TF	Thin film
TFMA	2-trifluoromethyl methacrylate
TSVA	Thermal and Solvent Annealing
Voc	Open Circuit Voltage
W2(hpp)4	Tetrakis(1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidinato)ditungsten (II)
ZnO	Zinc Oxide