Seminars and Presentations

Oral Presentations and Invited Seminars 

“Impact of Top Absorber Layer Thickness and Bandgap on Perovskite-CdSeTe Tandem Solar Cell Performance,” IEEE 52th IEEE Photovoltaic Specialists Conference (PVSC), Seattle, WA, June 9-14, 2024.

“Perovskite/Perovskite Tandem Photoelectrodes for Unassisted Water Splitting,” the 245th ECS meeting, San Francisco, CA May 26-30, 2024. (Invited talk)

“Thin Film Photovoltaics for Space Power Applications,” The Oklahoma Photovoltaic Research Institute Symposium, Tulsa OK, April 20, 2024. (Invited plenary talk)

“Physics and design of bifacial perovskite photovoltaic devices,” SPIE Photonics West, San Francisco, CA, January 29 - 30 2024. (Invited talk)

“Fundamental Challenges for Perovskite Photovoltaics,” NIST/UL Workshop, Northbrook IL, December 5-6, 2023. (Invited talk)

“Powering Photovoltaics Innovation with Perovskite Tandem Solar Cells,” Physics and Astronomy Colloquium at the University of Toledo, Toledo, OH, November 30, 2023.

“Perovskite Research Flash Talk,” Brown University Sustainable Energy Workshop, Providence, RI, October 25-27, 2023.  (Invited talk)

“On the Brink of Commercialization: Opportunities and Challenges for Perovskite Photovoltaics,” UCLA, Los Angeles, CA, October 13, 2023. (Invited Seminar)

“Bifacial Perovskite-Cd(Se)Te Thin-Film Tandem Solar Cells,” IEEE 50th IEEE Photovoltaic Specialists Conference (PVSC), San Juan, Puerto Rico, June 11-16, 2023.

“Toward Commercialization of Perovskite Photovoltaics: Opportunities and Challenges,” National Institute of Standards & Technology (NIST), Gaithersburg, MD, November 3, 2022. (Invited Seminar)

“Low-Cost and Scalable Production of Perovskite Mini-Modules,” 2022 PACT Workshop, Albuquerque, New Mexico, October 18, 2022. (Invited talk)

“Electroluminescence (EL) Imaging of Perovskite Minimodules,” PACT meeting, virtual, October 27, 2022.

“Monolithic All-Perovskite Tandem Cells for Unassisted Water Splitting,” 242nd ECS meeting, Atlanta, GA, October 9-13, 2022. (Invited talk)

“Lightweight All-Perovskite Thin-Film Tandem Solar Cells,” 27th Space Photovoltaic Research and Technology (SPRAT) Conference, Cleveland, Ohio. August 2-4, 2022. (Invited talk)

“Enhanced Efficiency of Thin Space Si Solar Cells Via Radiation Tolerant Perovskite/Si Four-Terminal Tandem Configuration,” 27th Space Photovoltaic Research and Technology (SPRAT) Conference, Cleveland, Ohio. August 2-4, 2022.

“Inorganic Lead Halide Perovskite-Based Tandem Photoelectrodes for Unassisted Solar Water-Splitting,” 2022 MRS Spring Meeting, Honolulu, Hawai’i, May 8-13, 2022.

"Numerical modeling of capacitance signatures of perovskite solar cells," IEEE 49th IEEE Photovoltaic Specialists Conference (PVSC), Philadelphia, PA, June 5-10, 2022.

 "Flexible All-Perovskite Tandem Solar Cells with High Specific Power," 49th IEEE Photovoltaic Specialists Conference (PVSC), Philadelphia, PA, June 5-10, 2022.

“High-Photovoltage All-Perovskite Tandem Solar Cells for Photovoltaic-Electrolysis Water-Splitting Applications”, 48th IEEE Photovoltaic Specialists Conference (PVSC), Virtual, June 20-25, 2021.

“Air-stable all-perovskite tandem solar cells,” Solar Power Tech Conference, Virtual, July 5-8, 2021.

“High-Photovoltage Pb-based All-Perovskite Tandem Solar Cells for Unassisted Water-Splitting,” AIP Publishing Horizons: Energy Storage and Conversion, Virtual, August 4-6, 2021.

“Monolithic Two-Terminal All-Perovskite Tandem Solar Cells with Power Conversion Efficiency Exceeding 21%”, at IEEE 46th Photovoltaic Specialists Conference (PVSC), Chicago, Illinois, June 17, 2019. 

“Organic-Inorganic Perovskite Thin Film Solar Cells for Space Applications”, at 25th Space Photovoltaic Research and Technology Conference, Cleveland, Ohio, September 20, 2018. 

"Imaging the Spatial Evolution of Degradation in Perovskite/Si Tandem Solar Cells after Exposure to Humid Air", at IEEE PVSC, Washington D.C., June 28, 2017.

"Elucidating the Degradation Mechanism of Perovskite Solar Cells in Humid Air", at 2016 OS-APS, Bowling Green, Ohio, October 8, 2016.

"The Formation and Degradation of Metal Halide Perovskites", at Case Western Reserve University, Cleveland, Ohio, September 26, 2016. (Invited Seminar)

"Spatially Resolved Current Generation in the Sub-Cells of Monolithic Perovskite/Silicon Tandem Solar Cells", at EU PVSEC 32, Munich, Germany, June 21, 2016.

"In-Situ Observation of Moisture-Induced Degradation of Perovskite Solar Cells Using Laser-Beam Induced Current", at IEEE PVSC 43, Portland, Oregon, June 7, 2016. “Investigation of Degradation Mechanisms of Perovskite-Based Photovoltaic Devices Using Laser Beam Induced Current Mapping”, at SPIE Optics + Photonics 2015, San Diego, California, August 9, 2015. (Invited talk)

“Spatially Resolved Characterization of Solution-Processed Perovskite Solar Cells Using the LBIC Technique”, at IEEE PVSC 42, New Orleans, Louisiana, June 18, 2015.

 “Spray Pyrolysis of CuIn(S,Se)2 Thin Films Using Hydrazine-based Solutions”, at MRS Fall Meeting, Boston, Massachusetts, December 1, 2013.