00838nam a22001697a 4500040003700000082001300037100002500050245010200075260003500177300003900212500014400251500004100395500004300436502006000479546001200539650011700551  cRiphah International University   a530bNAJ  aNajma Sultan (29224)  aTailoring the optoelectronic properties of S doped Cu2ZnSnSe4ba density functional theory study   aIslamabadb(Unpublished)c2025  axiii, 47 p.b: ill.c; 30 cm.e+CD  aSubmitted in partial fulfillment of the requirements for the degree of Master of Philosophy in Physics to the Department of Basic Sciences.  aIncludes bibliographical references.  aThesis supervisor: Dr. Amin ur Rahman   aThesis (M.Phil.)--Riphah International University, 2025  aEnglish  aPhysics vPositron emission tomography vHydrobromide acidvRefractive spectra vUltraviolet vEnergyvDBSvFEAS