Synthesis, structure and red-light emission of a manganese halide directed by a methyldiphenylphosphine oxide complex.

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY Acta Crystallographica Section C Structural Chemistry Pub Date : 2024-08-01 Epub Date: 2024-07-12 DOI:10.1107/S2053229624006405

Jia Wei Li, Mengyuan Niu, Wei Feng, Wenke Dong, Yanjie Liu, Jingjing Yang, Chunjie Wang, Hui Zhang, Wei Wu Song

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Abstract

Controlling the optical activity of halide perovskite materials through modulation of the coordination configurations of the metal ions is important. Herein, a novel manganese-based halide, specifically diaquatetrakis(methyldiphenylphosphine oxide)manganese(II) tetrachloridomanganate(II), [Mn(C₁₃H₁₃OP)₄(H₂O)₂][MnCl₄] or [Mn(MDPPO)₄(H₂O)₂][MnCl₄] (MDPPO is methyldiphenylphosphine oxide), was synthesized through the solvothermal reaction of MnCl₂ with the neutral molecule MDPPO. In this compound, [Mn(MDPPO)₄(H₂O)₂]²⁺ acts as the cation, while [MnCl₄]^2- serves as the anion, enabling the co-existence of tetrahedral and octahedral structures within the same system. Remarkably, the compound exhibits efficient red-light emission at 662 nm, distinct from the green-light emission typically observed in MnX₄-based halides. Theoretical calculations show that the red emission comes from the charge transfer from the MDPPO to the Mn²⁺ of [MnCl₄]^2-. This work provides a new perspective for the design and synthesis of red-light-emitting manganese-based halides with unique structures.

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由甲基二苯基氧化膦络合物引导的卤化锰的合成、结构和红光发射。

通过调节金属离子的配位构型来控制卤化物包晶材料的光学活性非常重要。在这里，一种新型的锰基卤化物，特别是重quatetrakis（甲基二苯基氧化膦）四氯锰酸钾(II)、[Mn(C13H13OP)4(H2O)2][MnCl4]或[Mn(MDPPO)4(H2O)2][MnCl4]（MDPPO 即甲基二苯基氧化膦）是通过氯化锰与中性分子 MDPPO 的溶热反应合成的。在该化合物中，[Mn(MDPPO)4(H2O)2]2+ 充当阳离子，而 [MnCl4]2- 则充当阴离子，从而在同一体系中实现了四面体和八面体结构的共存。值得注意的是，该化合物在 662 纳米波长处显示出高效的红光发射，有别于通常在基于 MnX4 的卤化物中观察到的绿光发射。理论计算表明，红光发射来自 MDPPO 向 [MnCl4]2- 的 Mn2+ 的电荷转移。这项工作为设计和合成具有独特结构的发射红光的锰基卤化物提供了新的视角。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Acta Crystallographica Section C Structural Chemistry CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

1.60

自引率

12.50%

发文量

148

期刊介绍： Acta Crystallographica Section C: Structural Chemistry is continuing its transition to a journal that publishes exciting science with structural content, in particular, important results relating to the chemical sciences. Section C is the journal of choice for the rapid publication of articles that highlight interesting research facilitated by the determination, calculation or analysis of structures of any type, other than macromolecular structures. Articles that emphasize the science and the outcomes that were enabled by the study are particularly welcomed. Authors are encouraged to include mainstream science in their papers, thereby producing manuscripts that are substantial scientific well-rounded contributions that appeal to a broad community of readers and increase the profile of the authors.