Y6	(2,2′-((2Z,2Z)-((12,13-bis(2-ethylhexyl)-3,9-diundecyl-12,13-dihydro-[1,2,5]thiadiazolo[3,4-e]thieno[2″,3″:4′,50]thieno[2′,3′:4,5]pyrrolo[3,2-g]thieno[2′,3′:4,5]thieno[3,2-b]indole-2,10-diyl)bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile)
O-IDTBR	(5Z,5′Z)-5,5′-{[7,7′-(4,4,9,9-tetraoctyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b’]dithiophene-2,7-diyl)bis(benzo[c][1,2,5]thiadiazole-7,4-diyl)]bis(methanylylidene)}bis(3-ethyl-2-thioxothiazolidin-4-one)
PC71BM	(6,6)-phenyl-C71-butyric acid methyl ester
HPCzI	1,3,4,5,6,7-hexaphenyl-2-{3′-(9-ethylcarbazolyl)}-isoindole
ICBA	1′,1″,4′,4″-Tetrahydro-di[1,4]methanonaphthaleno[1,2:2′,3′,56,60:2″,3″][5,6]fullerene-C60
TEMPO	2,2,6,6-tetramethylpiperidine-1-oxoammonium
IDIC	2,2′-[(4,4,9,9-tetrahexyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b′]dithiophene-2,7-diyl)bis[methylidyne(3-oxo-1H-indene-2,1(3H)-diylidene)]]bis-propanedinitrile
DIPO-Ph4	2,2′,6,6′-tetraphenyl-dipyranylidene
F4-TCNQ	2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane
EGME	2-methoxyethanol
PTCDA	3,4,9,10-perylenetetracarboxylic dianhydride
IT-4F	3,9-bis(2-methylene-((3-(1,1-dicyanomethylene)-6,7-difluoro)-indanone))-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2′,3′-d′]-s-indaceno[1,2-b:5,6-b’]dithiophene
ITIC	3,9-bis(2-methylene-(3-(1,1-dicyanomethylene)-indanone))-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno-[2,3-d:2′,3′-d′]-s-indaceno[1,2-b:5,6-b′]dithiophene
ITIC-Th	3,9-bis(2-methylene-(3-(1,1-dicyanomethylene)-indanone))-5,5,11,11-tetrakis(5-hexylthienyl)-dithieno-[2,3-d:2′,3′-d′]-s-indaceno[1,2-b:5,6-b′]dithiophene
CBP	4,4′-N,N′-dicarbazole-biphenyl
a-MWNTs	Amino-functionalized multi-walled carbon nanotubes
AHM	Ammonium heptamolybdate
AIL	Anode interfacial layer
AFM	Atomic force microscope
BPQDs	Black phosphorous quantum dots
bf-MWCNTs	Boronic acid functionalized multi-walled carbon nanotubes
BHJ	Bulk heterojunction
CNT	Carbon nanotubes
CTAB	Cetyltrimethylammonium bromide
CoOx	Cobalt oxide
CPEs	Conjugated polyelectrolytes
CIGS	Copper indium gallium diselenide
CuOx	Copper oxide
CuSx	Copper sulfide
MeOPhN-DBC	Dibenzo[g,p]chrysene derivative, 3,6,11,14-tetramethoxyphenylamine- dibenzo[g,p]chrysene
DMSO	Dimethyl sulfoxide
DMF	Dimethylformamide
DC	Direct current
DA	Dopamine
ETL	Electron transport layer
EQE	External quantum efficiency
FF	Fill factor
GSL	Grafted sulfonated-acetone-formaldehyde lignin
GO	Graphene oxide
GQDs	Graphene quantum dots
g-C3N4	Graphitic carbon nitrile
HOMO	High occupied molecular orbital
HTL	Hole transport layer
HyMoO3-x	Hydrogenated molybdenum oxide
ITO	Indium tin oxide
Pin	Input power
IPA	Isopropanol
LIL	Laser interference lithography
LSPR	Localized surface plasmon resonance
LUMO	Lowest unoccupied molecular orbital
Pmax	Maximum power output
MO	Metal oxides
MW	Microwave
NPB	N,N′-bis(1-naphthalenyl)N,N′-bis-phenyl-(1,1′-biphenyl)-4,4′-diamine
BF-DPB	N,N’-((diphenyl-N,N’-bis)9,9,-dimethyl-fluoren-2-yl)-benzidine
NDs	Nanodots
NPs	Nanoparticles
NRs	Nanorods
NWs	Nanowires
NFD	Nickel formate dihydrate
NiOx	Nickel oxide
NiSx	Nickel sulfide
nGQDs	Nitrogen doped graphene quantum dots
Voc	Open circuit voltage
OLEDs	Organic light-emiting diodes
OSCs	Organic solar cells
Pout	Output power
PCBM	Phenyl-C61-butyric acid methyl ester
PMA	Phosphomolybdic acid
PL	Photoluminescence
PV	Photovoltaic
PC	Phthalocyanine
PTB7	Poly [[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl]]
PCPDT	Poly 3,4-dithia-7H-cyclopenta[a]pentalene
FBT-TH4	Poly 5,6-difluorobenzothiadiazole
PDMT	Poly(3,4-dimethoxythiophene)
PEDOT	Poly(3,4-ethylenedioxythiophene)
PEDOT:PSS	Poly(3,4-ethylenedioxythiophene)-poly(styrene sulfonate)
P3HT	Poly(3-hexylthiophene)
P3HT50-b-PSS23	Poly(3-hexylthiophene)-b-poly(p-styrenesulfonate)
PEDOT-S	Poly(4-(2,3-dihydrothieno[3,4-b][1,4]dioxin-2-yl-methoxy)-1-butanesulfonic acid)
PTPCz	Poly(carbazolyl triphenylethylene) derivative
PDMS	Poly(dimethylsiloxane)
PMMA	Poly(methylmethacrylate)
PSS	Poly(styrenesulfonate)
PM6	Poly[(2,6-(4,8-bis(5-(2-ethylhexyl)-4-fluorothiophen-2-yl)benzo[1,2-b:4,5-b′]dithiophene))-co-(1,3-di(5-thiophene-2-yl)-5,7-bis(2-ethylhexyl)-benzo[1,2-c:4,5-c′]dithiophene-4,8-dione))]
PBDB-T	Poly[(2,6-(4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b′]dithiophene)-co-(1,3-di(5-thiophene-2-yl)-5,7-bis(2-ethylhexyl)benzo[1,2-c:4,5-c′]dithiophene-4,8-dione)]
PffBT4T-2OD	Poly[(5,6-difluoro-2,1,3-benzothiadiazol-4,7-diyl)-alt-(3,3‴-di(2-octyldodecyl)-2,2′;5′,2″;5″,2‴-quaterthiophen-5,5‴-diyl)]
PFN	Poly[(9,9bis(3′-(N,N-dimethylamino)propyl)-2,7-fluorene)-alt-2,7-(9,9dioctylfluorene)]
PSFP-DTBTP	Poly[(9,9-bis(4-sulfonatobutyl sodium) fluorene-alt-phenylene)-ran-(4,7-di-2-thienyl-2,1,3-benzothiadiazole-alt-phenylene)]
TFB	Poly[(9,9-dioctylfluorenyl-2,7-diyl)-alt-(4,4′-(N-(4-butylphenyl)))]
PNDIT-F3N	Poly[[2,7-bis(2-ethylhexyl)-1,2,3,6,7,8-hexahydro-1,3,6,8-tetraoxobenzo[lmn] [3,8]phenanthroline-4,9-diyl]-2,5-thiophenediyl[9,9-bis[3′((N,N-dimethyl)-N-ethylammonium)]propyl]-9H-fluorene-2,7-diyl]-2,5-thiophenediyl]
PhNa-1T	Poly[1,4-bis(4-sulfonatobutoxy)benzene-thiophene]
PCP-Na	Poly[2,6-(4,4-bis-(propane-1-sulfonate sodium)-4H-cyclopenta[2,1-b;3,4-b′ ]dithiophene)-alt-(4,4′-biphenyl)]
P3HTN	Poly[3-(6′-N,N,N-trimethyl ammonium)-hexylthiophene] bromide
PTB7-Th	Poly[4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b;4,5-b′]dithiophene-2,6-diyl-alt-(4-(2-ethylhexyl)-3-fluorothieno[3,4-b]thiophene-)-2-carboxylate-2-6-diyl)]
PBDT-TS1	Poly[4,8-bis(5-(octylthio)thiophen-2-yl)benzo[1,2-b;4,5-b′]dithiophene-2,6-diyl–alt–(4-(2- ethylhexyl)-3-fluorothieno[3,4-b]thiophene-)-2-carboxylate-2-6-diyl]
PFtT-D	Poly[9,9-bis(4′-sulfonatobutyl)fluorene-alt-thieno[3,2-b]thiophene]
PFSe	Poly[9,9-bis(4′-sulfonatobutyl)fluorene-alt-selenophene]
PFT-D	Poly[9,9-bis(4′-sulfonatobutyl)fluorene-alt-thiophene]
PBDT-DTNT	Poly[benzodithiophene-bis(decyltetradecyl-thien)naphthothiadiazole]
PCDTBT	Poly[N-9′-heptadecanyl-2,7-carbazole-alt-5,5(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)]
PANI	Polyaniline
PEG	Polyethylene glycol
PSC	Polymer solar cell
PMC	Polynuclear metal-oxo clusters
p-TPCF	Polytriphenylcarbazole fluoranthene
PCE	Power conversion efficiency
QDs	Quantum dots
rrP3HT	Regioregular poly(3-hexylthiophene-2,5-diyl)
RMS	Root meand square
SEM	Scanning electron microscopy
Rs	Series resistance
Jsc	Short circuit current
Rsh	Shunt resistance
SWCNTs	Single-walled carbon nanotubes
SILAR	Successive ionic layer adsorption and reaction
F4TCNQ	Tetrafluorotetracyanoquino-dimethane
TTA	Tetrathiafulvalene
TTF-py	Tetrathiafulvalene pyridine derivative
P3HT-Si	Triethoxysilane terminated poly(3-hexylthiophene)
WOx	Tungsten oxide
WSx	Tungsten sulfide
UVO	Ultraviolet ozone
uSWNT	Unzipped single-walled carbon nanotubes
VOx	Vanadium oxide
VoPC	Vanadylphthalocyanine
WF	Work function