journal article·2018-05-23

Polymer-Encapsulated Lanthanide-Containing Clusters as Platforms for Fabricating Magnetic Soft Materials

Qun He, Huanting Huang, Xiu-Ying Zheng, Jie Xiao, Bingran Yu, Xiang-Jian Kong, Weifeng Bu

ACS Applied Materials & Interfaces· Volume 10· Issue 20
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Abstract

Although many high-nuclearity lanthanide-containing clusters with aesthetical topological nanoarchitectures and unique magnetic properties have been synthesized, there was a big time lag to develop functional soft materials and devices on the basis of these clusters, because of their stability and processability. Herein, we report a universal strategy to fabricate lanthanide cluster based magnetic soft materials under ambient conditions. The prototypical cluster [Gd52Ni56(IDA)48(OH)154(H2O)38]18+ was encapsulated as an inorganic core by polymeric shells of sulfonate end functionalized poly(ethylene glycol) monoalkyl ethers through electrostatic interaction. The thickness of the shell was readily controlled by precisely tuning length of the polymer chain, leading to controllably reduced antiferromagnetic interactions between the clusters. The encapsulated hybrids can self-assemble to form vesicles in solution and can be used as an excellent agent for in vivo magnetic resonance imaging.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Magnetism in coordination complexes · Lanthanide and Transition Metal Complexes · Nanocluster Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry, and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China

State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China

State Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Funding

Ministry of Education of the People's Republic of China · National Natural Science Foundation of China · State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry · State Key Laboratory of Supramolecular Structure and Materials, Jilin University

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