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