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Keywords = pyrrolidinium lead iodide

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Article
An Environmentally Stable Organic–Inorganic Hybrid Perovskite Containing Py Cation with Low Trap-State Density
by Alex Fan Xu, Ryan Taoran Wang, Lory Wenjuan Yang, Elton Enchong Liu and Gu Xu
Crystals 2020, 10(4), 272; https://doi.org/10.3390/cryst10040272 - 2 Apr 2020
Cited by 9 | Viewed by 3614
Abstract
The commonly-employed methylammonium-based perovskites are environmentally unstable, which limits their commercialization. To resolve this problem, a stable hybrid perovskite, pyrrolidinium lead iodide (PyPbI3), was synthesized successfully via a simple drop casting method. The formed PyPbI3 exhibited a hexagonal structure. It [...] Read more.
The commonly-employed methylammonium-based perovskites are environmentally unstable, which limits their commercialization. To resolve this problem, a stable hybrid perovskite, pyrrolidinium lead iodide (PyPbI3), was synthesized successfully via a simple drop casting method. The formed PyPbI3 exhibited a hexagonal structure. It presented not only excellent phase stability, but also low trap-state density, as confirmed via the X-ray diffraction and space-charge-limited currents measurements. This novel perovskite may be applicable to perovskite photovoltaics to improve their environmental stability. Full article
(This article belongs to the Special Issue Organic Inorganic Hybrid Perovskite Solar Cells)
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