Molecular orientation dynamics triggers ferroelectricity and ferroelasticity in an organic–inorganic halide material

Abstract

The ability to achieve multiple ferroic orderings can provide more selectivity for diverse applications such as non-volatile memory, energy conversion, pressure sensors and so on. Molecular crystals occupy an important...

Structural phase transition drives outright photoluminescence quenching and dielectric duple bistable switching

“…Organic–inorganic hybrid components are also prone to structural phase transition under thermal stimulation, 20–39 which can affect their emission intensity and even lead to a PL quenching phenomenon. 28,40 At present, many photoluminescent OIMHs exhibit PL decay during phase transitions, such as [(CH 3 ) 3 NCH 2 CH 3 ] 2 MnCl 4 , 41 (2-methylimidazolium)MnCl 3 (H 2 O), 42 and [(CH 3 ) 3 PCH 2 OCH 3 ][PbBr 3 ], 43 among others.…”

Manganese-Based Halogen Regulation Enhances Photoluminescence Efficiency Engineering

“…Consequently, the chemical design of organic–inorganic hybrids emerged as a focal point across diverse research fields. − Additionally, organic–inorganic hybrid halides are equally appealing due to their versatility, ease of synthesis, , structural tunability, , and optoelectronic properties. , They have demonstrated excellent performance in various properties including dielectricity, ferroelectricity, piezoelectricity, photoluminescence, thermochromism, and nonlinear optics. − Despite this, optimizing and enhancing the material performance poses challenges. It is also worth noting that the halogen modulation approach may also be used to explore more organic–inorganic hybrid compounds with remarkable aesthetics. − …”

Reversible Phase Transition and Dielectric Response of Hybrid Lead-Free Antimony-Based Crystals

“…The intriguing thermodynamic and kinetic properties of these hybrid compounds, coupled with their diverse structures, bestow upon them a range of fascinating physical phenomena and characteristics. − Consequently, numerous research fields have dedicated their efforts to exploring these materials in the pursuit of exciting discoveries and novel features. Moreover, organic–inorganic hybrid halide counterparts have captured equal attention due to their versatility, solution-processability, and structural tunability. − These compounds have showcased an outstanding performance in various areas such as dielectric, ferroelectric, piezoelectric, photoluminescent, thermochromic, and nonlinear optics. − Importantly, the properties of phase transition materials are closely tied to their molecular structure. Modulating the molecular structure of these materials stands out as one of the most pivotal methods to attain specific properties. − Even minor adjustments in the crystal structure can result in substantial transformations in their properties.…”