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Luminescent Thermochromic Silver Iodides as Wavelength-Dependent Thermometers.
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-09-01 , DOI: 10.1021/acs.inorgchem.0c00606 Dan-Na Song 1, 2 , Dao-Jun Zhang 2 , Yong-Lei Wang 3 , Jun-Jie Wang 2 , Xiu-Shuang Xing 2 , Zhi-Ying Lv 2 , Fan Liu 2 , Jiang-Xia Han 2 , Ren-Chun Zhang 2 , Shui-Jiao Liao 1 , Run Zhang 4
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2020-09-01 , DOI: 10.1021/acs.inorgchem.0c00606 Dan-Na Song 1, 2 , Dao-Jun Zhang 2 , Yong-Lei Wang 3 , Jun-Jie Wang 2 , Xiu-Shuang Xing 2 , Zhi-Ying Lv 2 , Fan Liu 2 , Jiang-Xia Han 2 , Ren-Chun Zhang 2 , Shui-Jiao Liao 1 , Run Zhang 4
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Luminescent thermochromic materials with a dramatic shift of emission band under different temperatures are highly desirable in temperature sensing fields. However, the design of the synthesis of such compounds remains a great challenge. In this work, two new luminescent thermochromic silver iodides, (emIm)Ag3I4 (1) and (emIm)Ag2I3 (2) (emIm = 1-ethyl-3-methyl imidazole), have been synthesized under solvothermal conditions. Compound 1 features a [Ag3I4]− anionic layer, while compound 2 possesses an infinite [Ag2I3]− chain structure, both of which are charge balanced by emIm+ cations. Particularly, they display luminescent thermochromism with a significant wavelength shift of emission maximum with temperature change. They represent rare examples of infinite layered or chain silver iodides that show luminescent thermochromism. Furthermore, the results indicate that compounds 1 and 2 are promising wavelength-dependent luminescent thermometers.
中文翻译：
发光热致变色碘化银作为波长相关的温度计。
在温度感测领域中，非常需要发光带在不同温度下具有显着变化的发光热致变色材料。但是，这类化合物的合成设计仍然是巨大的挑战。在这项工作中，在溶剂热下合成了两种新的发光热致变色碘化银（emIm）Ag 3 I 4（1）和（emIm）Ag 2 I 3（2）（emIm = 1-乙基-3-甲基咪唑）。条件。化合物1具有[Ag 3 I 4 ] -阴离子层，而化合物2具有无限的[Ag 2 I 3] -链结构，两者均由emIm +阳离子电荷平衡。特别是，它们显示出发光热致变色，其发光最大值随温度变化而发生明显的波长偏移。它们代表了无限层状或链状碘化银的稀有例子，这些碘化物显示出发光的热致变色现象。此外，结果表明化合物1和2是有前途的波长依赖性发光温度计。
更新日期：2020-09-21
中文翻译：
发光热致变色碘化银作为波长相关的温度计。
在温度感测领域中，非常需要发光带在不同温度下具有显着变化的发光热致变色材料。但是，这类化合物的合成设计仍然是巨大的挑战。在这项工作中，在溶剂热下合成了两种新的发光热致变色碘化银（emIm）Ag 3 I 4（1）和（emIm）Ag 2 I 3（2）（emIm = 1-乙基-3-甲基咪唑）。条件。化合物1具有[Ag 3 I 4 ] -阴离子层，而化合物2具有无限的[Ag 2 I 3] -链结构，两者均由emIm +阳离子电荷平衡。特别是，它们显示出发光热致变色，其发光最大值随温度变化而发生明显的波长偏移。它们代表了无限层状或链状碘化银的稀有例子，这些碘化物显示出发光的热致变色现象。此外，结果表明化合物1和2是有前途的波长依赖性发光温度计。
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