期刊
CRYSTALS
卷 10, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/cryst10040272
关键词
pyrrolidinium lead iodide; organic-inorganic hybrid perovskite; environmental stability; low trap-state density; phase stability; perovskite solar cell
资金
- Natural Science and Engineering Research Council of Canada [105-46964]
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.
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