Acta Phys. -Chim. Sin. ›› 2012, Vol. 28 ›› Issue (10): 2291-2297.doi: 10.3866/PKU.WHXB201208131

• SOFT MATTER • Previous Articles     Next Articles

Fluorescent Microcapsules Based on Coordination Supramolecular Polymers of Rare Earth Metal Ions

WANG Jia-Rui, YANG Yang, YAN Yun, HUANG Jian-Bin   

  1. Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
  • Received:2012-07-20 Revised:2012-08-07 Published:2012-09-26
  • Supported by:

    The project was supported by the President Foundation of Peking University and National Natural Science Foundation of China (20903005, 21173011, 51121091, 21073006).


Fluorescent microcapsules based on coordination supramolecular polymers of rare earth metal ions were prepared via a layer-by-layer technique that used electrostatic interaction. The holes in the capsule walls were very small, which reduced leakage of small molecular payloads. The capsules remained intact at salt concentrations as high as 500 mmol·L-1, which shows they have potential in practical applications. Multicolored capsules were obtained simply using a mixture of terbium and europium ions.

Key words: Layer-by-layer assembly, Fluorescent capsule, Metallic coordination supramolecular polymer


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