Muhammad Irshad creator text Lahore (unpublished) 2019 monographic vii, 43 p. : ill. (col.) ; 30 cm. +CD In partial fulfillment of the requirements for the degree of Masters of Philosophy in Physics Includes references. Thesis supervisor: Dr. Muhammad Waqas Iqbal Thesis (M.Phil Physics) Riphah International University, 2019 English Gas doping Physics Environmental effect Mechanical exfoliation Chemical doping Electronic properties Raman spectroscopy Atomic force Microscopy WSe2 TMDCs RICAS IRS 530