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From Particles to Power: How photons, electrons, and ions determine the efficiency of perovskite solar cells - Livestream

Assuming business as usual, our planet is projected to warm more than 4C in the next 80 years. Those four degrees mean more chaotic weather, increased food scarcity, unprecedented flooding, along with many other impacts of global warming - unless we do something radical to cut greenhouse gas emissions. While there is general agreement that solar energy will play a huge role in this task, scientists like Dr. Belisle are trying to push the very limits of what solar technology can do by designing perovskite solar cells - a novel renewable energy material that is poised to have high efficiency, minimal cost, and be manufactured extremely quickly to mitigate the impending devastation of climate change.

In this talk we’ll discuss the fundamental properties that make this new class of optoelectronic materials a game-changer in the field of solar energy. With tunable absorption, unprecedented defect tolerance, and mixed electronic-ionic conduction, perovskites require new design rules and new physical models of understanding for their use in solar cells. In light of these unique properties, I’ll explain how photons, electrons, and ions interact to affect the performance of perovskite solar cells, and how my lab is using optical and structural characterization to improve our knowledge of fundamental perovskite properties to enable even higher efficiency devices.

Speaker: Dr. Becky Belisle, Wellesley College

Zoom link

Monday, 02/08/21


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