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