Making metal halide perovskite photovoltaics a reality: an update on state-of-the-art.
Joseph Berry a
a Material Science Center, National Renewable Energy Laboratory, Golden, CO 80401, USA, Denver West Parkway, 15013, Golden, United States
International Conference on Hybrid and Organic Photovoltaics
Proceedings of 13th Conference on Hybrid and Organic Photovoltaics (HOPV21)
Online, Spain, 2021 May 24th - 28th
Organizers: Marina Freitag, Feng Gao and Sam Stranks
Invited Speaker, Joseph Berry, presentation 089
Publication date: 11th May 2021

Photovoltaic (PV) devices based on metal halide perovskite (MHP) absorbers have reached outstanding performance over the past few years, surpassing power conversion efficiency of over 25% for lab cells and with large area devices in excess of 18%. For the solar application stability, the most demanding requirement to assess for PV and remains the outstanding issue for MHP based devices. The problem of stability motivates basic science driven work on MHP based PV at NREL and work by industrial partners. Material and device insight can enable MHP PV stability along with the associated opportunities to further improve efficiency with multijunction while maintaining scalability and manufacturability is critical. This talk will highlight the latest work at NREL to develop understanding of critical roadblocks, aspects of solar cell performance, device architectures (e.g., single junction and tandems), stability and operational dynamic to enable the next generation of photovoltaics. In addition, work on related hybrid semiconductor systems and devices will also be highlighted.

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