AgTFSI	Silver bis(TriFluoromethane-Sulfonyl)Imide
ALD-TiO2	Atomic Layer Deposited Titanium dioxide thin film
BCF	Tris(pentaflurophenyl)borane
BDT	Benzodithiophene
BG or Bg	Band-Gap
BIPV	Building-integrated photovoltaics
BTZ	Benzothiadiazole
CB	Conduction Band
CBz	Carbazole
CsPbI3	Cesium Lead Iodide Perovskite
CsFAMA	Cesium FormAmidinium/MethylAmmonium Perovskite
c-TiO2	Compact Titanium Dioxide
CV	Cyclic Voltammetry
D-A	Donor–Acceptor
D-π-A	Donor–π-conjugated bridge–Acceptor
DFT	Density Functional Theory
DSC or DSSCs	Dye-Sensitized Solar Cells
ETL	Electron Transporting Layer
ETM	Electron Transporting Material
FA	Formamidinium
FAMA	Formamidinium methylammonium
FAPbI3	FormAmidinium Lead triiodide Perovskite
FF	Fill Factor
FTO	Fluorine doped Tin Oxide
GIWAXS	Grazing Incidence Wide Angle X-Ray Scattering
HM	Hole Mobility
HOMO	Highest Occupied Molecular Orbital
HTL	Hole Transporting Layer
HTM	Hole Transporting Material
IDT	Indacenothiophene
IDTT	Indacenodithieno[3,2-b]thiophene T
Jsc	Short Circuit Current Density
LiTFSI	Lithium bis(TriFluoromethylSulfonyl)Imide
LUMO	Lowest Unoccupied Molecular Orbital
Mn	Number Average Molecular Weight
Mw	Weight Average Molecular Weight
MA	Methylammonium
MAPbBr3	MethylAmmonium Lead Bromide Perovskite
MAPbI3	MethylAmmonium Lead Iodide Perovskite
MAPbI3-xClx	MethylAmmonium Lead Iodide/Chloride
m-TiO2	Mesoporous titanium dioxide
NE	Non-Encapsulated devices
NMR	Nuclear Magnetic Resonance
OFET	Organic thin-film transistor
OLED	Organic Light Emitting Diode
OPV	Organic PhotoVoltaics
P	Maximum Power
Pin	Incident Power at Constant Flux of Photons
P3HT	Poly(3-hexyl)thiophene
PANI	Polyaniline
PCE	Power Conversion Efficiency
PDI	Polydispersity index
PEDOT:PSS	Poly(3,4-ethylenedioxythiophene) polystyrene sulfonate
PFN	Poly[(9,9-bis(3′-(N,N-dimethylamino)propyl)-2,7-fluorene)-alt-2,7-(9,9-dioctylfluorene)]
PPN	Poly(4,4′-bis(N-carbazolyl)-1,10-biphenyl)
PPP	Polyphenylene
PSC	Perovskite Solar Cell
PT	Polythiophene
PTAA	Poly TriArylAmine
QD	Quantum Dot
RH	Relative Humidity
Spiro-OMeTAD	2,2′,7,7′-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9′-spirobifluorene
tBP	4-Tert-ButylPyridine
Voc	Open Circuit Voltage
VB	Valence Band