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Issue 30, 2018
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Terbium complexes encapsulated in hierarchically organized hybrid MOF particles toward stable luminescence in aqueous media

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Abstract

Hierarchically organized hybrid MOF particles were developed to meet the stable luminescence requirements of lanthanide complexes for applications in biological media. Anionic terbium (Tb) complexes sensitized by tridentate pyridine-tetrazolate (pytz) ligands (i.e. Tb(pytz)3) were encapsulated in zeolitic imidazolate framework-8 (ZIF-8) nanoparticles (∼150 nm). TIF-1Zn (Zn(DMBIM)2) frameworks were then hybridized with ZIF-8 by the mediation of a hydrophobic ligand, i.e. DMBIM (5,6-dimethylbenzimidazole). A bio-inspired polymer, i.e. polydopamine, was utilized for imparting the particles with hydrophilicity and functionalization ability. An unprecedentedly high quantum yield (82.0%) and luminescence stability in PBS buffer were realized by the hierarchical structure.

Graphical abstract: Terbium complexes encapsulated in hierarchically organized hybrid MOF particles toward stable luminescence in aqueous media

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Article information


Submitted
18 May 2018
Accepted
29 Jun 2018
First published
29 Jun 2018

CrystEngComm, 2018,20, 4225-4229
Article type
Communication

Terbium complexes encapsulated in hierarchically organized hybrid MOF particles toward stable luminescence in aqueous media

Y. Wang, W. Zhou, F. Chen, K. Sun, J. Zhang, E. Özliseli and J. M. Rosenholm, CrystEngComm, 2018, 20, 4225
DOI: 10.1039/C8CE00822A

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