Dr. Koteeswara Reddy Nandanapalli

• Development of inorganic materials doped DNA films and studying their physical properties. • Synthesis of graphene monolayers and Germanium/metal oxide core/shell nanostructures. • Fabrication of graphene-based sensor devices, and Ge/ZnO or Ge/TiO2 photoelectrodes for PEC devices. • Supporting to MS and PhD students and helping in proposals and research articles writing.

• Course content design, course material preparation, and teaching. • Taught Physics, designed the lab courses, and trained the graduation students. • Participated in academic activities.

• Aligned metal-oxide nanostructures were developed on different planar and flexible substrates. • Nanostructures were functionalized with different pseudo-metals and explored their properties. • Surface functionalized nanostructures were tested as photoanodes and studied their sustainability and durability in different electrolyte solutions.

• High-quality SnS thin films were developed and explored the process conditions. • Solar cell using ZnO/SnS hetero-structures were fabricated and their PV device properties explored. • Sustainability of nanostructured materials under dynamic shock waves was investigated.

• Flexible devices using ZnO and PEDOT: PSS were developed, and their diode performances were studied. • Adaptability of ITO as TCO for prototype solar cell devices was investigated. • Investigated the impact of Ni layer growth on the physical and chemical properties of ZnO nanowires.

• Metal (Ag, Ni, Au) and semiconductor (Si, Ge, ZnO, CdSe) based nanostructures were developed using multidisciplinary techniques. • Ordered arrays of vertically aligned Si/ZnO hierarchical hetero nanostructures have been developed.

• Nanomaterials were synthesized using low-cost and straightforward techniques. • Metallization (single and bi-layer contacts) schemes for thin films and nanostructured materials were investigated. • Si/ZnO and GaN/ZnO heterojunction devices were fabricated and explored their devices characteristics.

• Nonoxide chalcogenide glassy materials (bulk and thin films) were developed by melt quenching and melt spinning methods in view of their switching, conductivity conversion, and energy harvesting device applications. • Impact of processes parameters on the quality of thermally evaporated SnS thin films was investigated.

Studies in Thin Films - Tin Sulfide Films for Photovoltaic Applications

Chemical physics & Electronics

Mathematics, Physics, and Chemistry