Mollee Kahan
Electrical engineering
Hometown: Tucson, Arizona, United States
Graduation date: Spring 2027
Additional details: Honors student
FURI | Fall 2025
Manufacturing Wafer-scale Perovskite Films on Nanotextured Silicon for High-efficiency Tandem Photovoltaics
This project focuses on optimizing the parameters of printable metal halide perovskite film deposition onto 166 mm by 166 mm silicon nanotextured wafers. Nanotextured wafers use <1 μm pyramids to increase the film’s surface area and thus its light absorption to create efficient cells. The goal is to produce uniform high-quality films with a controlled thickness using a rapid open-air blade coating process. This study tunes ink concentration and incorporates additives to improve film quality, with a focus on optimizing coverage and thickness homogeneity. The long-term outcome is to develop a reliable, scalable fabrication process for producing consistent, high-quality perovskite layers at the wafer scale that advance the performance and manufacturability of perovskite-silicon tandem solar cells.
Mentor: Nick Rolston
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