Proceedings of nanoGe Fall Meeting 2021 (NFM21)
DOI: https://doi.org/10.29363/nanoge.nfm.2021.009
Publication date: 23rd September 2021
The carrier transportation in perovskites materials is complicated by the presence of mobile ions, and the charges also affect ion migration. Defects in perovskites play a major role in changing the dynamics process of ion conduction, while light can change ion migration which in return introduce defects in perovskites. I will present our recent progress how defects of different type affect the ion migration as well as carrier transport in metal halide perovskites, including both three dimensional perovskites and low dimensional ones. The application of ion migration in perovskites for synapse devices will be briefed. Several methods of removing surface defects will be presented to alleviate the issues induced by ion migration for more stable perovskite solar cells.
We thank the financially support by Center for Hybrid Organic-Inorganic Semiconductors for Energy (CHOISE), an Energy Frontier Research Center funded by the Office of Basic Energy Sciences, Office of Science within the US Department of Energy and from the Department of the Defense, Defense Threat Reduction Agency under award HDTRA1-20-2-0002. The content of the information does not necessarily reflect the position or the policy of the federal government, and no official endorsement should be inferred.
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