00902nam a22001697a 4500040003600000082001300036100002800049245014200077260003300219300004700252500004100299500010700340500004400447502006800491546001300559650016000572  cRiphah International University  bSIBa543  aSibghat Ullah  (405717)  aFirst-principles study of photocatalytic properties of two dimensional CdS / InSe van-der Waals heterostructures for energy applications   aLahore b(unpublished)c2021  e+ CD.aiii, 37 p.b: ill., Col.,c; 30 cm.  aIncludes bibliographical references.  aSubmitted in partial fulfillment of the requirements for the degree of Master of Philosophy in Physics  aThesis supervisor: Dr. Altaf  Ur Rahman  aThesis (M.Phill Physics)--Riphah International University, 2021  aEnglish   aPlanar devicesaPhysicsvTungsten diselenide vApplications-WSe2vOptical microscopyvAtomic forcevSpectroscopyvPhotocatalytic vHeterostructures vRICAS