Colorless Magnetic Colloidal Particles Based on an Amorphous Metal‐Organic Framework Using Holmium as the Metal Species.
Source abstract
Abstract
Abstract Holmium (Ho) is a lanthanide element with a high magnetic moment. Here, we create an amorphous metal‐organic framework (MOF) that has no long‐range periodic order but retains the basic components of MOF by using isophthalic acid as an organic linker and Ho as a metal species. The resulting spherical Ho‐MOF particles disperse well in a solvent and exhibit excellent magnetic properties in response to magnets. Since Ho has almost no coloring, Ho‐MOF particles are a colorless magnetic material, unlike conventional iron oxide particles. Taking advantage of the colorless property, the selective adsorption of dyes on Ho‐MOF particles can be easily visually confirmed by magnetically separating the particles. In addition, present versatile processes that enable adaptation of lanthanide elements other than Ho enable the development of colorless multifunctional MOF particles.
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Research context
OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Nanocluster Synthesis and Applications · Lanthanide and Transition Metal Complexes
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Applied Chemistry and Biotechnology Graduate School of Engineering Chiba University 1-33 Yayoi-cho Inage-ku, Chiba 263-8522 Japan
Center for Analytical Instrumentation Chiba University 1-33 Yayoi-cho Inage-ku, Chiba 263-8522 Japan
Department of Material Science Graduate School of Science University of Hyogo Ako, Hyogo 678-1297 Japan
Institute of Laser Engineering Osaka University Suita, Osaka 565-0871 Japan
Department of Chemistry Graduate School of Science Chiba University 1-33 Yayoi-cho Inage-ku, Chiba 263-8522 Japan
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