Department: Faculty of Sciences, Department of Physics
Position: Assistant Professor
HEC Approved Supervisor: YES
Research Intersts: Since last few decades, organic semiconducting materials have attracted large amount of interest due to their unmatched properties and widespread applications like: field effect transistors, light emitting diodes, solar cells, photodynamic cancer therapy, fuel cells, chemical sensors; mainly for fire detection and pollution monitoring. However, the performance of organic semiconductor based basic electronic circuitry components largely depends on the structure and interface as they determine the injection efficiency by establishing barriers for carrier injection in the organic active layer. By keeping in view the importance of these materials we particularly study; metal phthalocyanines, tetracene, pentacene , perylene, etc. Our prime objective is to investigate the structural and interfacial electronic properties of organic semiconductor thin films deposited on various single single crystal substrates. Moreover, we also explore the possible strong chemical interaction or weak interaction at the interface, which greatly affects the electronic structure of the organic molecules and the interfacial properties of the materials in contact. The structural properties and the chemical reactivity at the interfaces are studied by means of surface sensitive photoemission spectroscopies such as X-ray and Ultra-violet photoemission spectroscopies (XPS, UPS) as well as scanning tunneling microscopy (STM).
Publications:
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