DOI: https://doi.org/10.29363/nanoge.emlem.2024.040
Publication date: 13th July 2024
The Rise of 2D Halide Perovskites for Efficient & Durable Optoelectronic Devices
Halide perovskites have emerged as a new class of semiconductors with excellent properties such as large tunable band-gaps, large absorption coefficients, long diffusion lengths, low effective mass and long radiative lifetimes. These have resulted in record efficiencies for photovoltaics surpassing that of Si. However, a major challenge for these materials is realizing long-term stability under light, temperature and humidity. In contrast, 2D perovskites are a sub-class of 3D perovskites, have demonstrated excellent stability compared to the 3D perovskites.
In this talk I will describe our work over the past five years on 3D and 2D perovskites ranging from novel fundamental light-induced structural behaviors and its impact on charge transport, solvent chemistry and the synergy between 2D and 3D perovskites in achieving durable and high-efficiency photovoltaic devices. Finally, if time permits, I will also present some new results, which offer an exciting prospects for developing single photon emitters.
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