From Dye Sensitization to Halide Perovskite Solar Cells: My Personal Struggle with Transitions
Yiying Wu a
a The Ohio State University, Columbus, United States
International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22)
València, Spain, 2022 May 19th - 25th
Organizers: Pablo Docampo, Eva Unger and Elizabeth Gibson
Keynote, Yiying Wu, presentation 193
Publication date: 20th April 2022

Dye-sensitization of a p-type semiconductor forms a photocathode that can be used for building tandem dye-sensitized solar cells. It also provides an attractive platform for artificial photosynthesis. I will talk about the materials design of molecular sensitizers and nanostructured semiconductors to achieve the control of directional charge transfer, as well as applications in p-type dye-sensitized photocatalytic water reduction and a hybrid device named “solar battery”, which possesses the dual functions of solar energy harvesting and in situ storage. With the emergence of halide perovskite solar cells, I will also talk about my struggle with transitions to this area, describing our recent progresses in porphyrin-perovskite solar cells and machine-learning-assisted model for predicting structures of low-dimensional halide perovskites.

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