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首页> 外文期刊>RSC Advances >Chemical stability and tunable luminescence of Ln(III)-K(I) coordination polymers featuring a tracery-like architecture
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Chemical stability and tunable luminescence of Ln(III)-K(I) coordination polymers featuring a tracery-like architecture

机译：LN（III）-K（i）配位聚合物的化学稳定性和可调谐发光，具有类似窗饰的架构

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摘要

With the help of in situ generation of a sulfate anion, three heterometallic Ln(III)-K(I) sulfate and oxalate coordination polymers, formulated as [KLn(ox)(SO4)(H2O)] (ox = oxalate, Ln = Eu 1, Tb 2 and Dy 3) have been successfully synthesized and structurally characterized. They are isomorphic and each displays a tracery-like structure inlaid with two different kinds of hexagons. In addition, compound 2 is thermally stable up to 350 degrees C and exhibits unusual chemical stability in a wide pH range of 0-12, as confirmed by the variable temperature XRD and pH dependent XRD. Tunable luminescence of 2 is achieved by changing the temperature and pH, which indicates that it can be potentially used as a probe for sensing temperature and pH.
机译：借助于原位产生硫酸盐阴离子，三种杂核LN（III）-K（I）硫酸盐和草酸盐配制聚合物，配制为[KLN（OX）（SO 4）（H 2 O）]（OX =草酸，LN = EU 1，TB 2和Dy 3）已成功合成和结构表征。 它们是同构，每个都显示出镶嵌有两种不同种类的六边形的窗饰的结构。 此外，化合物2可热稳定于350℃，并且在0-12的宽pH范围内表现出不寻常的化学稳定性，如通过可变温度XRD和pH依赖性XRD所确认的。 通过改变温度和pH来实现2的可调谐发光，这表明它可能被用作感测温度和pH的探针。

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  • 来源
    《RSC Advances》 |2015年第61期|共5页
  • 作者

    Li Qipeng; Yuan Zeli; Qian Jinjie; Du Shaowu;

  • 作者单位

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

    Zunyi Med Univ Sch Pharm Zunyi 563003 Guizhou Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Fujian Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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