Physics Department;
Faculty of Sciences II;
Lebanese University;
Jdeidet;
Lebanon;
Centre Electronique et Micro-optoélectronique de Montpellier (CEM2);
Faculté Sciences et Techniques du Languedoc;
Université de Montpellier II;
Montpellier;
France;
Chalcopyrite; Photovoltaic; Bulk; materials; Photoluminescence; Optical; Response; X-Ray; Diffraction; Photoconductivity; Spectroscopic; Ellipsometry;