Low pH-induced lone-pair activity in the hybrid (C6H10N2)[SnCl3]Cl: Chemical study and physical characterizations

Sayer, Imen; Dege, Necmi; Ghalla, Houcine; Naı̈li, Houcine

doi:10.1016/j.molstruc.2021.131403

Cited by 4 publications

(1 citation statement)

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“…Very recently, strong exciton localization effect was induced in (OA) 2 SnI 4 by a large amount of Sn vacancies, resulting in the evidently increased PLQY (∼64%) of orange light emission . However, despite the advances in photoluminescence efficiency, the members of low-dimensional hybrid Sn(II)-based halide perovskites are still limited compared to their Pb counterparts, especially for the chlorides that are barely reported. , This issue leads to the deficient fundamental understanding of the halogen-structure–optical property relationship in hybrid Sn(II)-based perovskites, which hinders the rational design of these lead-free photoelectric materials.…”

Section: Introductionmentioning

confidence: 99%

Structure and Optical Properties of Sn-Based Halide Perovskites (C₁₀H₁₈N₂)SnX₄ (X = Cl, Br, I)

Yao,

Lin,

Liu

et al. 2024

ACS Omega

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Low-dimensional tin-based halide perovskites are considered as eco-friendly substitutions of the iconic lead-based perovskites to host the potential as optoelectronic materials. However, a fundamental understanding of the structure–property relationship of these Sn(II)-based hybrids is still inadequate due to the limited members of this material family. To our knowledge, there is still lack of reports on a series of Sn(II)-based halide perovskites with the same organic cation but covering chloride, bromide, and iodide. In this work, three new halide perovskites TMPDASnX4 (X = Cl, Br, I) (TMPDA = N,N,N′,N′-tetramethyl-1,4-phenylenediamine) are successfully synthesized, which provide the ideal paradigm to study the halogen-dependent evolution of the structure and properties of Sn(II)-based hybrid perovskites. Despite sharing the same monoclinic lattice (P21/m space group), it is demonstrated that TMPDASnCl4 adopts a one-dimensional structure composed of a five-coordinated pyramid configuration due to an extremely long Sn···Cl distance, while the typical two-dimensional motif is still maintained in TMPDASnBr4 and TMPDASnI4. The ambient stability is declined in the order from chloride to bromide and then to iodide. TMPDASnCl4 exhibits a broad-band bluish-white-light emission (centered at 515 nm, full width at half-maximum (fwhm) = 193 nm) with the Commission Internationale de l′ Elairage (CIE) coordinates as (0.29, 0.34). Further, the correlated color temperature and color-rendering index were determined as 7617 K and 80.5, respectively. Based on the synthesis of new crystals, our work sheds light on the composition–structure–property relationship of hybrid Sn(II)-based halide perovskites.

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Section: Introductionmentioning

confidence: 99%

Structure and Optical Properties of Sn-Based Halide Perovskites (C₁₀H₁₈N₂)SnX₄ (X = Cl, Br, I)

Yao,

Lin,

Liu

et al. 2024

ACS Omega

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Structure, optical and magnetic properties of the pyridinium cobaltate (C6H9N2)2[CoCl4]

Garci

Chebbi

Rouzbeh

et al. 2022

Inorganica Chimica Acta

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Synthesis and characterization of unsymmetrical Selenoethers: Facile cleavage of the Se-C bond

Singh

Butcher

2023

Inorganica Chimica Acta

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Low pH-induced lone-pair activity in the hybrid (C6H10N2)[SnCl3]Cl: Chemical study and physical characterizations

Cited by 4 publications

References 78 publications

Structure and Optical Properties of Sn-Based Halide Perovskites (C₁₀H₁₈N₂)SnX₄ (X = Cl, Br, I)

Structure and Optical Properties of Sn-Based Halide Perovskites (C₁₀H₁₈N₂)SnX₄ (X = Cl, Br, I)

Structure, optical and magnetic properties of the pyridinium cobaltate (C6H9N2)2[CoCl4]

Synthesis and characterization of unsymmetrical Selenoethers: Facile cleavage of the Se-C bond

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Low pH-induced lone-pair activity in the hybrid (C6H10N2)[SnCl3]Cl: Chemical study and physical characterizations

Cited by 4 publications

References 78 publications

Structure and Optical Properties of Sn-Based Halide Perovskites (C10H18N2)SnX4 (X = Cl, Br, I)

Structure and Optical Properties of Sn-Based Halide Perovskites (C10H18N2)SnX4 (X = Cl, Br, I)

Structure, optical and magnetic properties of the pyridinium cobaltate (C6H9N2)2[CoCl4]

Synthesis and characterization of unsymmetrical Selenoethers: Facile cleavage of the Se-C bond

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Structure and Optical Properties of Sn-Based Halide Perovskites (C₁₀H₁₈N₂)SnX₄ (X = Cl, Br, I)

Structure and Optical Properties of Sn-Based Halide Perovskites (C₁₀H₁₈N₂)SnX₄ (X = Cl, Br, I)