Ferroelasticity, thermochromism, semi-conductivity, and ferromagnetism in a new layered perovskite: (4-fluorophenethylaminium)₂[CuCl₄]

Abstract

Organic-inorganic layered perovskites exhibit many exotic properties benefiting from their relatively soft lattices and quantum-well structures, thus attract increasing attention in the field of sensors, signal processing, and memory devices....

Reversible thermochromism, temperature-dependent conductivity and high stability for a laminated bismuth(iii)–silver(i) hybrid double perovskite

“…44 (1,6-HDA)CuCl 4 (where 1,6-HDA = 1,6-hexanediammonium), (4-fluorophenethylaminium) 2 [CuCl 4 ] and [Dim] 2 [Bi 2 X 10 ], where Dim = [1,1 0 -dimethyl-3,3 0 -methylenediimidazolium] 2+ and X = Br, and I, have also been reported as thermochromic hybrid perovskites. [45][46][47] Recently, Feng et al isolated the first reversible thermochromic inorganic lead-free halide double perovskite, Cs 2 AgBiBr 6 . 31 They showed that upon thermochromism, the Ag-Br and Bi-Br bond distances are elongated with an increase in the temperature.…”

Thermally stimuli-responsive materials with transformable double channels of nonlinear optical and dielectric properties

“…54 Zhang et al found ferroelasticity, thermochromism, semi-conductivity, and ferromagnetism in a layered perovskite. 55 According to previous reports, the orderdisorder phase transition of organic-inorganic hybrid materials leads to the transformation of organic cations between frozen and motion states. [56][57][58] Inspired by these results, here, based on the small molecule organic ammonium [TMFEA] + , we successfully synthesized two new OIHMs 1 and 2.…”

“…54 Zhang et al found ferroelasticity, thermochromism, semi-conductivity, and ferromagnetism in a layered perovskite. 55 According to previous reports, the order–disorder phase transition of organic–inorganic hybrid materials leads to the transformation of organic cations between frozen and motion states. 56–58…”

A Cd-based perovskite with optical-electrical multifunctional response

“…In recent years, two-dimensional (2D) organic-inorganic hybrid perovskites (OIHPs) have come under the spotlight as a type of multifunctional materials by virtue of their structural tunability, facile synthesis, and excellent optoelectronic properties. [1][2][3][4][5][6][7] People have also begun exploring the application of perovskite materials in integrated or unconventional energy devices, including light-emitting diodes, supercapacitors, and solar cells, and have achieved good results. [8][9][10][11][12][13] Flexible and efficient perovskite solar cells have been vying for leadership in third-generation photovoltaics.…”