Conjugated Microporous Polymers Doped with Rare Earth Ions: Synthesis, Characterization and Energy Transfer

被引：2

作者：

Cui, Di ^{[1
]}

Yao, Chan ^{[1
]}

Xu, Yanhong ^{[1
,2
]}

Che, Guangbo ^{[1
]}

机构：

[1] Jilin Normal Univ, Minist Educ, Key Lab Funct Mat Phys & Chem, Key Lab Preparat & Applicat Environm Friendly Mat, 399 Zhuoyue St, Changchun 130103, Peoples R China

[2] Changchun Univ Sci & Technol, Collaborat Innovat Ctr Opt Mat & Chem, Sch Chem & Environm Engn, 7989 Weixing St, Changchun 130022, Peoples R China

来源：

CHEMPLUSCHEM | 2020年 / 85卷 / 08期

基金：

中国国家自然科学基金;

关键词：

conjugated microporous polymers; energy transfer; fluorescence; luminescence; rare-earth ions; ORGANIC POLYMERS; LUMINESCENCE; FLUORESCENT; ADSORPTION; NANOPARTICLES; SENSITIVITY; PERFORMANCE; MECHANISM; STRATEGY; DESIGN;

D O I：

10.1002/cplu.202000355

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In order to study the energy transfer between the conjugated polymer and rare-earth ions, a series of conjugated microporous polymers (CMPs) CMP-COOH@M (M=Eu3+, Tb3+, La3+, and Sm3+) with different kinds of rare-earth ions was synthesized, in which the conjugated networks can effectively improve the luminescence of rare-earth ions due to the effective energy transfer from the CMP network to the rare-earth ions centers. The absolute quantum yield of CMP-COOH (phi(FL)) is 29.1 %, while the phi(FL)value of CMP-COOH@Eu, CMP-COOH@Tb, CMP-COOH@La, and CMP-COOH@Sm is 9.4, 8.6, 14.3, and 9.1 %, respectively. This result indicates that the quantum efficiency of CMPs network is 1/2-1/3 of the original one due to the coordination of rare earth ions, that is, rare-earth ions can be recognized as fine modulators to adjust the emission color of CMPs in a controlled manner through controlling the species of rare-earth ions.

引用

页码：1778 / 1782

页数：5

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