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香豆素-3-羧酸与1-辛烷磺酸钠共插层LEuH及敏化发光性能 被引量:1

Co-intercalation of coumarin-3-carboxylic acid and 1-octane sulfonic acid sodium into layered europium hydroxide and sensitized luminescence property
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摘要 本文采用水热法合成了NO-3型层状铕氢氧化物(NO3-LEuH),通过离子交换法将去质子的香豆素-3-羧酸和1-辛烷磺酸根离子引入前体LEuH的层间,改变香豆素-3-羧酸和1-辛烷磺酸钠的比例得到了一系列发光强度不同的复合体.采用X-射线粉末衍射仪(XRD),红外吸收光谱仪(IR),和荧光分光光度计(PL)等方法研究了其结构及性质,结果表明香豆素-3-羧酸的插入能有效敏化层板Eu3+的红光发射. The NOa-type layered europium hydroxide (NOa-LEuH) was synthesized by hydrothermal method. The organic compounds of coumarin-3-carboxylic acid (C3C) deprotonated by NaOH and 1-octane sulfonic acid sodium (OS) were intercalated into gallery of LEuH via an ion exchange method. Different molar ratios of organic guests (C3C/OS) gave rise to composites with different emission intensity. The as-formed composites were characterized by XRD, FT-IR and PL. PL spectra indicate that organic sensitizer of C3C can markedly enhance red luminescence of layer Eu3+ ions due to efficient energy transfer between C3C and Eu3+ ions.
出处 《北京师范大学学报(自然科学版)》 CAS CSCD 北大核心 2016年第4期440-444,共5页 Journal of Beijing Normal University(Natural Science)
基金 国家自然科学基金资助项目(21271028)
关键词 NO3-LEuH 香豆素-3-羧酸 1-辛烷磺酸钠 LEuH复合体 敏化发光 NO3-LEuH coumarin-3-carboxylic acid (C3C) 1-octane sulfonic acid sodium (OS) LEuHcomposite sensitized luminescence
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参考文献16

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