Synthesis, crystal structure, photoluminescence properties of organic-inorganic hybrid materials based on ethylenediamine bromide

Synthesis, crystal structure, photoluminescence properties of organic-inorganic hybrid materials based on ethylenediamine bromide
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乙二胺溴化有机无机杂化材料的合成、晶体结构及光致发光性能

DOI:
10.1016/j.jscs.2019.09.003
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发表时间:
2020
影响因子:
5.6
通讯作者:
Zou Zhengguang
Zou Zhengguang
中科院分区:
化学2区
文献类型:
--
作者:
Mao Wenhui;Wang Jilin;Hu Xinru;Zhou Bing;Zheng Guoyuan;Mo Shuyi;Li Songbo;Long Fei;Zou Zhengguang

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本文采用缓慢蒸发法在75 °C下合成了一种新的正交晶系有机-无机杂化单晶(C2 H10 N2)2MnBr4.2Br,具有零维结构。通过单晶X射线衍射和Hirshfeld表面分析表征了其晶体结构和分子间相互作用。采用拉曼光谱、红外光谱、紫外-可见光谱、光激发光谱和光致发光光谱等方法系统研究了(C2 H10 N2)2 MnBr 4. 2Br的光学性质。由(C2 H10 N2)2MnBr4.2Br的吸收光谱计算了光学带隙(Eg= 2.61eV)。该杂化材料还显示出良好的热稳定性(分解温度:288-660 °C)。最后,光致发光测试显示其在362 nm处有较强的激发线,在537 nm处有较强的荧光,这使其成为一种很有前途的发光材料。
In this work, a new orthorhombic organic-inorganic hybrid single crystal (C2H10N2)2MnBr4.2Br with-Zero-dimensional structure was synthesized by slow evaporation method at 75 °C. The crystal structure and intermolecular interactions were performed by single crystal X-ray diffraction and Hirshfeld surface. Optical properties of (C2H10N2)2MnBr4.2Br were systematically studied by Raman, infrared spectrum, UV–vis, photoexcitation spectra, and photoluminescence spectra. The optical band gap (Eg= 2.61 eV) were calculated from the absorption spectra of (C2H10N2)2MnBr4.2Br. This hybrid materials also had shown good thermal stability (decomposition temperature: 288–660 °C). Finally, photoluminescence measurements showed a strong excitation line at 362 nm and a strong fluorescence at 537 nm which makes it a promising material in luminescence field.
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