Red room temperature phosphorescence of lead halide based coordination polymer showing efficient angle-dependent polarized emission and photoelectric performance,Dalton Transactions

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Red room temperature phosphorescence of lead halide based coordination polymer showing efficient angle-dependent polarized emission and photoelectric performance
Dalton Transactions ( IF 3.5 ) Pub Date : 2022-06-07 , DOI: 10.1039/d2dt01196d
Xu-Ke Tian _{1,

2} , Ji-Rui Zhang ₂ , Meng-Yao Wen ₂ , Zi-Han Liu ₂ , Jia-Hui Guo ₂ , Cheng-Yu Ma ₂ , Hao-Yi Zhang ₂ , Xiao-Gang Yang ₂ , Lu-Fang Ma _{1,

2}

Affiliation

The development of organic–inorganic hybrid materials with long-lived room temperature phosphorescence (RTP) has attracted tremendous attention owing to their promising applications in the optoelectronic and anti-counterfeiting fields. In this work, by the selection of lead halide and electron-poor heteroaromatic molecule 1,10-phenanthroline (phen), a coordination polymer [Pb(phen)Cl₂] has been synthesized under hydrothermal conditions. This complex shows an alternating arrangement of a long-range order of phen π-conjugated systems and lead halide inorganic chains as revealed by X-ray single-crystal structural analysis. This structural character and special chemical components endow this hybrid material with a rare example of red room temperature phosphorescence. Its electronic structure and electronic transition behavior were further examined by theoretical calculations. Meanwhile, the film of the complex features remarkable angle-dependent polarized emission and photoelectric performance.

中文翻译：

卤化铅基配位聚合物的红色室温磷光显示出有效的角度依赖性极化发射和光电性能

具有长寿命室温磷光（RTP）的有机-无机杂化材料的开发因其在光电和防伪领域的广阔应用前景而备受关注。在这项工作中，通过选择卤化铅和贫电子杂芳族分子 1,10-菲咯啉 (phen)，一种配位聚合物 [Pb(phen)Cl ₂]已在水热条件下合成。X 射线单晶结构分析表明，该复合物显示出 phen π 共轭体系和卤化铅无机链的长程交替排列。这种结构特征和特殊的化学成分赋予了这种混合材料一种罕见的红色室温磷光例子。通过理论计算进一步检验了其电子结构和电子跃迁行为。同时，该复合物的薄膜具有显着的角度相关偏振发射和光电性能。

更新日期：2022-06-07

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