Photofunctional hybrids of lanthanide functionalized bio-MOF-1 for fluorescence tuning and sensing

被引：51

作者：

Shen, Xiang ^{[1
]}

Yan, Bing ^{[1
]}

机构：

[1] Tongji Univ, Dept Chem, Shanghai 200092, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2015年 / 451卷

基金：

中国国家自然科学基金;

关键词：

Lanthanide complex; Hybrid system; Bio-MOF-1; Luminescence; Sensing; METAL-ORGANIC FRAMEWORKS; MESOPOROUS SILICA; INORGANIC HYBRIDS; ENERGY-TRANSFER; THIN-FILMS; LUMINESCENCE; COMPLEXES; EUROPIUM(III); PROGRESS;

D O I：

10.1016/j.jcis.2015.03.039

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of luminescent Ln(3+)@bio-MOF-1 (Ln = Eu, Tb, bio-MOF-1 = Zn-8(ad)(4)(BPDC)(6)O.2Me(2)NH(2) (ad = adeninate, BPDC = biphenyldicarboxylate)) are synthesized via postsynthetic cation exchange by encapsulating lanthanide ions into an anionic metal-organic framework (MOF), and their photophysical properties are studied. After loading 2-thenoyltrifluroacetone (TTA) as sensitized ligand by a gas diffusion ("ship-in-bottle") method, it is found that the luminescent intensity of Eu3+ is enhanced. Especially, when loading two different lanthanide cations into bio-MOF-1, the luminescent color can be tuned to close white (light pink) light output. Additionally, bio-MOF-1 and Eu3+@bio-MOF-1 are selected as representative samples for sensing metal ions. When bio-MOF-1 is immersed in the aqueous solutions of different metal ions, it shows highly sensitive sensing for Fe3+ as well as Eu3+@bio-MOF-1 immersed in the DMP solutions of different metal ion. The results are benefit for the further application of functionalized bio-MOFs in practical fields. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：63 / 68

页数：6

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