Stability of Pb- and Sn-based halide perovskite PV cells
Gary Hodes a
a Weizmann Institute of Science, Herzl St. 234, Rehovot, Israel
Proceedings of Perovskite Thin Film Photovoltaics (ABXPV17)
València, Spain, 2017 March 1st - 2nd
Organizers: Henk Bolink and David Cahen
Invited Speaker, Gary Hodes, presentation 060
Publication date: 18th December 2016

The high efficiencies and expected low production costs together with fast energy payback time of (Pb-based) halide perovskite (HaP) photovoltaic cells bode well for commercialization of these cells. The main question mark remaining as to if these cell can be commercialized is whether they will exhibit the 20+ years lifetime required of all large-scale photovoltaic cells to date or not. Stability studies on HaP materials and cells show a wide range of behaviors; however, some studies do show promising stability over at least the medium time frame (months). I discuss some of these studies and then focus on our own results relevant to HaP (both Pb- and Sn-based) materials and cells. Since the effect of a range of incident radiation is important (e.g. e-beam and XRD) also for the ability to reliably measure these materials (such as in electron microscopy and XPS), this talk will include the effects of such radiation sources on the HaPs as well as that of solar radiation.


Work done in collaboration with David Cahen

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