Abstract:Layered metal-halide perovskites have shown great promise for applications in optoelectronic devices, where a large number of suitable organic cations give the opportunity to tune their structural and optical properties. However, especially for Sn-based perovskites, a detailed understanding of the impact of the cation on the crystalline structure is still missing. By employing two cations, 2,2 0oxybis(ethylammonium) (OBE) and 2,2 0 -(ethylenedioxy)bis(ethylammonium) (EDBE), we obtain a planar h100i and a corru… Show more
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