Cation engineering on lead iodide perovskites for stable and high-performance photovoltaic applications
Perovskite solar cells (PSCs) based on methylammonium lead iodide (CH 3 NH 3 PbI 3)
have shown unprecedentedly outstanding performance in the recent years. Nevertheless,
due to the weak interaction between polar CH 3 NH 3+(MA+) and inorganic PbI 3−
sublattices, CH 3 NH 3 PbI 3 dramatically suffers from poor moisture stability, thermal
decomposition and device hysteresis. As such, strong electrostatic interactions between
cations and anionic frameworks are desired for synergistic improvements of the …
have shown unprecedentedly outstanding performance in the recent years. Nevertheless,
due to the weak interaction between polar CH 3 NH 3+(MA+) and inorganic PbI 3−
sublattices, CH 3 NH 3 PbI 3 dramatically suffers from poor moisture stability, thermal
decomposition and device hysteresis. As such, strong electrostatic interactions between
cations and anionic frameworks are desired for synergistic improvements of the …
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