Multifunctional Gadolinium-Based Coordination Polymer Hollow Submicrospheres: Synthesis, Characterization and Properties

  • Yanhong Chen
  • Min Shuai
  • Haiyang Wang
  • Wen Cao
  • Shengliang ZhongEmail author
  • Hualan Xu


In this work, we have developed a general, simple and template-free solvothermal strategy to prepare Yb3+ and Er3+ codoped Gd-based coordination polymer (GdCP) hollow spheres with glycylglycine as a ligand. Scanning electron microscopy, transmission electron microscopy, X-ray powder diffraction, energy dispersive X-ray spectroscopy, infrared and thermogravimetric analysis were used to characterize the hollow spheres. The GdCP hollow spheres are with a size of about 200 nm and the thickness of the shell was about 30 nm. Upconversion emission with 832 nm being the strongest was realized in the hollow spheres when excited with 980 nm laser. Magnetic measurement reveals that the GdCP hollow sphere is paramagnetic. The relaxation information was measured and the product is subjected to T1 weighted imaging. These prepared GdCP hollow spheres may be applied to multimodal imaging.


Coordination polymer Upconversion Hollow nanosphere MRI 



We acknowledge from Jiangxi Provincial Department of Science and Technology (No. 20172BCB22008) and the National Natural Science Foundation of China (Nos. 21641008 and 91622105).


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Authors and Affiliations

  1. 1.College of Chemistry and Chemical EngineeringJiangxi Normal UniversityNanchangChina

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