Reversible Pressure-Dependent Mechanochromism of Dion-Jacobson and Ruddlesden-Popper Layered Hybrid Perovskites
- Muscarella, Loreta A.
- Ducinskas, Algirdas
- Dankl, Mathias
- Andrzejewski, Michal
- Casati, Nicola Pietro Maria
- Rothlisberger, Ursula
- Maier, Joachim
- Graetzel, Michael
- Ehrler, Bruno
- Milic, Jovana, V
DOIAbstract
Layered Dion-Jacobson (DJ) and Ruddlesden-Popper (RP) hybrid perovskites are promising materials for optoelectronic applications due to their modular structure. To fully exploit their functionality, mechanical stimuli can be used to control their properties without changing the composition. However, the responsiveness of these systems to pressure compatible with practical applications (<1 GPa) remains unexploited. Hydrostatic pressure is used to investigate the structure-property relationships in representative iodide and bromide DJ and RP 2D perovskites based on 1,4-phenylenedimethylammonium (PDMA) and benzylammonium (BzA) spacers in the 0-0.35 GPa pressure range. Pressure-dependent X-ray scattering measurements reveal that lattices of the...
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