Organic solar cell Electrochemistry DFT CIGSe Etching Dislocation Apuan Alps Electrochemical capacitors Pseudocapacitance Sulfosalt Crystal structure Luminescence Functionalization Density functional theory Aluminum nitride Molybdenum X-ray photoelectron spectroscopy Graphite MAS NMR CIGS Mechanical properties Raman scattering PVD EIS MnO2 Structure Fluorine Titanium X-ray diffraction Graphene Composites Resistive switching Supercapacitor Interface Italy Carbon nanotubes Microstructure Magnetic properties Transmission electron microscopy AFM Phosphorescence Absorption Fluorescence Supercapacitors XPS Li-ion batteries EELS Polymers Spectroscopy Chalcogenide Raman spectroscopy Organic battery Catalysis Anode Silicon Nanocomposite Lithium-ion batteries Photoluminescence Organic solar cells Oxides Lithium batteries CuIn Hydrogel Atomic force microscopy Sputtering Europium AlN Cyclic voltammetry Electrode Nanoparticles XRD Thin film Perovskite Temperature NEXAFS Magnetron sputtering Inorganic compounds Solar cell Organic batteries Degradation Optical properties ZnO TEM Copper Calcined clay Photovoltaics Vanadium nitride Nanoparticules Binder Raman Sol-gel Titanium dioxide Thin films Buffer layer Solar cells NMR Mott insulator DFT calculations Grafting Lithium battery