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Physics Colloquium: Understanding anion and cation migration in hybrid perovskite solar cells
Wednesday, Oct. 30, 2019
4 p.m. - 5 p.m. Location: SLC 1.102

Dr. Masaru Kuno (University of Notre Dame)

Hybrid perovskites are popular materials for realizing low cost, third generation solar cells. Certified power conversion efficiencies of laboratory scale devices now exceed 20%. Despite engineering advances, which have led to these advances, hybrid perovskites are still plagued by instabilities. The best known relate to moisture instabilities. Less, however, is understood about intrinsic limitations of these materials, stemming from both anion and cation migration under illumination or under bias. Understanding the microscopic origin of these instabilities as well as suppressing them represents one of the last major open scientific questions, preventing their commercialization. In this talk, I therefore summarize what is known about anion and cation migration and discuss results from microscopic, spatially-resolved optical measurements we have conducted on both thin films and solar cells.

Persons with disabilities may submit a request for accommodations to participate in this event at UT Dallas' ADA website. You may also call (972) 883-5331 for assistance or send an email to [email protected]. All requests should be received no later than 2 business days prior to the event.
Contact Info:
Michael Kesden, 972-883-3598
Questions? Email me.

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