[NH3(CH2)4NH3]SnX4 (X = Br, I): Dion–Jacobson type 2-D perovskites with short interlayer spacing

Vishwajith, Nagale S.; Sharma, Mridul Krishna; Jain, Isha; Vishnoi, Pratap

doi:10.1039/d3dt03772j

Cited by 2 publications

(1 citation statement)

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“…Such a short inter-chain I•••I distance is rare in the case of [M III I 5 ] 2À chain perovskites or even [M II I 4 ] 2À type 2-D layered perovskites. [40,41] The proximity between the octahedra on adjacent chains can substantially influence interchain electronic conjugation via non-bonding I•••I contacts. [42,43] The H 2 DAP di-cation occupies general symmetry positions between the chains and adopts structurally ordered state.…”

Section: Synthesis and Characterizationmentioning

confidence: 99%

0‐D and 1‐D Perovskite‐like Hybrid Bismuth(III) Iodides

Saraswat,

Vishnoi

2024

Chemistry An Asian Journal

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Low‐dimensional hybrid bismuth halide perovskites have recently emerged as a class of non‐toxic alternative to lead perovskites with promising optoelectronic properties. Here, we report three hybrid bismuth(III)‐iodides: 0‐D (H2DAC)2Bi2I10·6H2O (H2DAC_Bi_I), 0‐D (H2DAF)4Bi2I10·2I3·2I·6H2O (H2DAF_Bi_I), and 1‐D (H2DAP)BiI5 (H2DAP_Bi_I) (where H2DAC = trans‐1,4‐diammoniumcyclohexane; H2DAF = 2,7‐diammoniumfluorene and H2DAP = 1,5‐diammoniumpentane). Their synthesis, single‐crystal X‐ray structures, and photophysical properties are reported. The first two compounds comprise edge‐sharing [Bi2I10]4‐ dimers, while the last compound has cis‐corner‐sharing 1‐D chains of [BiI6]3‐ octahedra. Intercalation of triiodide (I3‐) and iodide (I‐) ions enhance electronic coupling between the [Bi2I10]4‐ of H2DAF_Bi_I, leading to enhanced optical absorption when compared to H2DAC_Bi_I which lacks such intercalants. Furthermore, calorimetric and variable temperature X‐ray diffraction measurements suggest a centrosymmetric to non‐centrosymmetric phase transition (monoclinic P212121 ↔ orthorhombic Pnma) of H2DAP_Bi_I at 448 K (in heating step) and 443 K (in cooling step).

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Section: Synthesis and Characterizationmentioning

confidence: 99%

0‐D and 1‐D Perovskite‐like Hybrid Bismuth(III) Iodides

Saraswat,

Vishnoi

2024

Chemistry An Asian Journal

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Orthorhombic lead-free hybrid perovskite CH₃NH₃SnI₃ under strain: an ab initio study

Dendane,

Rerbal,

Ouahrani

et al. 2024

RSC Adv.

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[NH₃(CH₂)₄NH₃]SnX₄ (X = Br, I): Dion–Jacobson type 2-D perovskites with short interlayer spacing

Abstract: Two-dimensional tin(II) halide perovskites stand as environmentally benign alternative to Pb(II) halide perovskites. However, they are often challenging to make due to easy oxidation of tin(II) ion to more stable...

Cited by 2 publications

References 45 publications

0‐D and 1‐D Perovskite‐like Hybrid Bismuth(III) Iodides

0‐D and 1‐D Perovskite‐like Hybrid Bismuth(III) Iodides

Orthorhombic lead-free hybrid perovskite CH₃NH₃SnI₃ under strain: an ab initio study

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[NH3(CH2)4NH3]SnX4 (X = Br, I): Dion–Jacobson type 2-D perovskites with short interlayer spacing

Abstract: Two-dimensional tin(II) halide perovskites stand as environmentally benign alternative to Pb(II) halide perovskites. However, they are often challenging to make due to easy oxidation of tin(II) ion to more stable...

Cited by 2 publications

References 45 publications

0‐D and 1‐D Perovskite‐like Hybrid Bismuth(III) Iodides

0‐D and 1‐D Perovskite‐like Hybrid Bismuth(III) Iodides

Orthorhombic lead-free hybrid perovskite CH3NH3SnI3 under strain: an ab initio study

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[NH₃(CH₂)₄NH₃]SnX₄ (X = Br, I): Dion–Jacobson type 2-D perovskites with short interlayer spacing

Orthorhombic lead-free hybrid perovskite CH₃NH₃SnI₃ under strain: an ab initio study