Bond valence model Actinide conditioning Aniline and thiophene derivatives Arzel Alkali fluoride postdeposition treatments M Electrical properties Band gap gradient E171 ATR-FTIR 4-ethylenedioxypyrrole Thin-film solar cells N-doping A Interfaces Solar cells Solar cell Raman A Thin films Silicon Alternative buffers 34-propylenedioxypiyrrole GaSe2 Photovoltaics Epitaxy ABSORPTION Planar heterojunction Thin films Planar heterojunctions Thin film ADSORPTION TIO2 Aminofluorene thiophene derivatives Tandem solar cells X-ray diffraction Back contact Interfaces 4-ethylenedioxythiophene CIGSe Nanoparticles Bond valence mode Adsorption Alternative module structure BaTiO3 BTO CIGS Anode buffer layer Active layers Electropolymerization Photoemission spectroscopy Band diagram PVD Surface morphology ALPHA-AMYLASE Photoluminescence A Cattin Titanium dioxide Addou ITO free electrode Molybdenum oxide XPS Absorption Aluminum phthalocyanine chloride Lamkaouane Organic solar cell Copper indium gallium selenide Partial shading Buffer layer Aluminum-doped zinc oxide 4-propylenedioxythiophene Organic solar cells J-C Aqueous colloidal solution 2D nanomaterials Buffer layers Alpha-sexithiophene 31P NMR Molybdenum trioxide Band-gap Anatase colloidal solution for printing Bond valence excess Anode Sodium H B Vapour deposition Ambipolar organic layer Ambipolar material Ftouhi Organic photovoltaic cells ADDITIVE E171 Bernède Characterization Reverse bias A Fullerenes Band alignment Alkali L CuIn Fill factor Anatase