Room Temperature Synthesis of Samarium Pyrazine-2,3,5,6-tetracarboxylate Coordination Polymers via A Fast Precipitation Method and Their Luminescent Properties

NING Zhang-lei; YANG Dan-dan; LEI Xi-ting; LU Ying-jiong; HE Lin; HE Xi; LIU Meng-jiao; GAO

doi:10.3788/fgxb20163708.0906

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Room Temperature Synthesis of Samarium Pyrazine-2,3,5,6-tetracarboxylate Coordination Polymers via A Fast Precipitation Method and Their Luminescent Properties

更新时间：2020-08-12

- Room Temperature Synthesis of Samarium Pyrazine-2,3,5,6-tetracarboxylate Coordination Polymers via A Fast Precipitation Method and Their Luminescent Properties
- Chinese Journal of Luminescence Vol. 37, Issue 8, Pages: 906-911(2016)
- 作者机构：
  
  1. 四川师范大学化学与材料科学学院, 四川成都 610068
  2. 北京科技大学化学与生物工程学院, 北京 100083
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20163708.0906
  CLC： O634
- Received：21 March 2016，
  
  Revised：21 April 2016，
  
  Published：05 August 2016
- 稿件说明：
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宁张磊, 杨丹丹, 雷晰婷等. 室温快速液相沉淀法制备吡嗪四甲酸钐配合物及其光致发光性能研究[J]. 发光学报, 2016,37(8): 906-911

NING Zhang-lei, YANG Dan-dan, LEI Xi-ting etc. Room Temperature Synthesis of Samarium Pyrazine-2,3,5,6-tetracarboxylate Coordination Polymers via A Fast Precipitation Method and Their Luminescent Properties[J]. Chinese Journal of Luminescence, 2016,37(8): 906-911
宁张磊, 杨丹丹, 雷晰婷等. 室温快速液相沉淀法制备吡嗪四甲酸钐配合物及其光致发光性能研究[J]. 发光学报, 2016,37(8): 906-911 DOI： 10.3788/fgxb20163708.0906.

NING Zhang-lei, YANG Dan-dan, LEI Xi-ting etc. Room Temperature Synthesis of Samarium Pyrazine-2,3,5,6-tetracarboxylate Coordination Polymers via A Fast Precipitation Method and Their Luminescent Properties[J]. Chinese Journal of Luminescence, 2016,37(8): 906-911 DOI： 10.3788/fgxb20163708.0906.

摘要

采用室温快速液相沉淀法制备了吡嗪四甲酸钐亚微米椭球配合物材料。通过红外光谱、能谱、扫描电子显微镜、紫外可见光谱和荧光光谱对制备的配合物进行了表征和性能测定。结果表明：溶液的pH值对产品的形貌和光致发光性能有重要的影响，通过调节溶液的pH值可以实现产品的形貌由纳米粒子到微米级椭球的有效调控。所有产品均在561，596，643 nm出现3条谱线，分别对应着钐离子的

5/2

、

7/2

和

9/2

的特征能级跃迁。当溶液的pH接近中性时，所制备的配合物样品的特征发射峰强度最大。

Abstract

Samarium pyrazine-2

6-tetracarboxylate coordination polymers with sub-micron ellipsoid-like architecture were successfully synthesized

via

an efficient direct precipitation method at room temperature. Fourier transform infrared spectra

energy dispersive spectrum

scanning electron microscopy

UV-Vis spectra and photoluminescent spectra were employed to characterize the samarium pyrazine-2

6-tetracarboxylate samples. The experimental results indicate that the pH value of the solution has an obvious impact on the morghologies and photoluminescent properties of the samples. The morphology can be easily controlled from nano-size to sub-micron particles by changing the pH value. All the samples show three emission peaks at 563

598 and 644 nm

which are assigned to the characteristic emission transitions

5/2

7/2

and

5/2

9/2

of Sm

ions. Moreover

the samples synthesized at the pH value of 7 demonstrate the strongest emisstion compared with other samples.

关键词

Keywords

references

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