Chemistry
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Shanthi Iyer

Research Professor
Nanoengineering
North Carolina Agricultural & Technical State University
Uruguay

Shanthi Iyer

Biography

Prof. Iyer has been responsible for the initiation and development of NC A&T SU’s state of the art Molecular Beam Epitaxy (MBE) Laboratory and associated academic and research programs. She has has been a PI of over $7 million in DoD research projects. She was also the Director of the Center of Excellence for Battlefield Capability Enhancements, which focus on developing technologies for environmentally stable flexible panel displays. Her current research work is in the molecular beam epitaxial (MBE) growth and characterization of novel dilute nitride antimonide based narrow band gap compound semiconductor for infrared sources and detectors encompassing a wide infrared wavelength region from 1µm to 20 µm and GaAsSb nanowires for infrared photodetectors. The other research projects in progress include ZnO alloys based thin film transistors on plastic substrates for flexible electronics and assembling of solar cells for solar concentrators. The research work in the past 30 years also includes transparent and conducting oxides by spray pyrolysis, transparent conducting oxide/Si solar cells, compound semiconductor based solar cells in the near infra-red region and extensive optical characterization of semiconductors namely low temperature photoluminescence and photoreflectance characteristics of compound semiconductor based quantum well heterostructures.

Research Interest

Characterization of Nanowire Photodetectors

Publications

  • Pavan Kasanaboina, Manish Sharma, Prithviraj Deshmukh, C.L. Reynolds Jr., Yang Liu, Shanthi Iyer, “Effects of Annealing on GaAs/GaAsSbN/GaAs Core-Multi Shell Nanowires”, Nanoscale Research Letters 11(1), 1-6 (2016) DOI: 10.1186/s11671-016-1265-4.

  • Pavan Kumar Kasanaboina, Sai Krishna Ojha, Shifat Us Sami, C.Lewis Reynolds Jr., Yang Liu and Shanthi Iyer, “Bandgap Tuning of GaAs/GaAsSb Core-Shell Nanowires Grown by Molecular Beam Epitaxy”, Semiconductor Science and Technology, 30, 105036(10pp) (2015).

  • Pavan Kumar Kasanaboina, Sai Krishna Ojha, Shifat U. Sami, Lewis Reynolds, Yang Liu and Shanthi Iyer, “Tailoring of GaAs/GaAsSb core-shell structured nanowires for IR photodetector applications”, Proc. SPIE 9373, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling XII, 937307 (February 27, 2015); doi:10.1117/12.2080572.

  • Robert Alston, Shanthi Iyer, Tanina Bradley, Jay Lewis, Garry Cunningham and Eric Forsythe, “Investigation of the effects of deposition parameters on indium-free transparent amorphous oxide semiconductor thin-film transistors fabricated at low temperatures for flexible electronic applications”, SPIE OPTO, 90050D-90050D-10., 25th Feb 2014, San Francisco, CA.

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