Field Effect Transistor (FET) Biosensors• Design, fabrication, and characterization of ZnO nanowire and graphene FETs decorated with noble metal nanoparticles• Functionalized FETs with DNA aptamers or engineered proteins to detect at aM to nM levels: - complementary DNA strands - protein biomarkers - carbohydrate markers of cancer

Organic Light Emitting (OLETs) and Field Effect Transistors (OFETs) for Neurological Applications• Design, fabrication, and characterization of three-layer OLETs with higher efficiency than equivalent OLEDs• Used OLETs as a novel biological experimental platform for fluorescent cellular imaging and neuron optogenetic studies • Fabrication and characterization of OFETs for stimulation and recording of neural cells

Polymer-Based Electrostatic Discharge (ESD) Suppression Devices• Fabricated polymer ESD suppression devices, operated laser drill for via drilling & singulation of parts, operated hot press for copper sheet and polymer lamination• Repaired and operated wafer test prober to test leakage current, trigger voltage of ESD suppression devices (~65,000 devices per wafer)• Statistical analysis on and quality control of 1000s of devices during production

Advisor: Prof. Ananth DodabalapurCharge Transport in Bulk Heterojunction Solar Cell Materials• Developed lateral device structures, novel measurement and analysis techniques to probe charge transport and carrier recombination in bulk heterojunction solar cell materials under variety of environmental conditions• Fabricated structures from multiple alignment steps with sub-micron resolution using electron-beam lithography• Constructed electrical testing setup capable of cryogenic temperatures, varied atmospheres, solar, monochromatic, and pulsed illuminationInkjet Printable Manufacturing of Organic Solar Cells for Flexible Communication System• Designed, fabricated, and characterized inkjet printable organic solar cells made of P3HT:PCBM, P3HT:C71-PCBM, PSBTBT:PCBM, and other material systems• Developed inkjet printable metal oxide solutions of ZnO and ZTO used to fabricate solar cell electron transport layers and n-type FETs

Solar Energy Conversion Devices• Graded and provided feedback on homework problems, exam questions, and student presentations• Assisted and taught undergraduate and graduate students during office hours• Gave lectures on the use of PC1D, a solar cell design and simulation software package• Developed a solar cell design project where students were required to optimize solar cell structures and material parameters in order to obtain maximum power conversion efficiencyOrganic Semiconductor Devices• Graded and provided feedback on homework problems, exam questions, and student presentations• Assisted and taught graduate students during office hoursGave guest lectures in the previous courses on several occasions when the professor was unavailable.

Pressure Induced Changes in Molecular Magnetism• Constructed a low temperature (> 4 K) pressure cell for a tunnel diode oscillator to analyze the change in spin of Mn7 samples with temperature and pressure Use of Quartz Tuning Forks as Magnetometers• Constructed experimental setup and measured changes in tuning fork frequency when dusted with magnetic nanoparticles to characterize their magnetization

Electricity and Magnetism• Taught undergraduate students in supplemental lectures for the general physics course• Graded lecture quizzes and assisted students during office hoursElectricity and Magnetism Lab• Taught and supervised undergraduate laboratory sessions for the general physics course• Graded lab reports and assisted students during office hours