Synthesis of soluble coordination polymer nanoparticles using room-temperature ionic liquid |
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| Authors: | Joulia Larionova,Yannick Guari,Hussein Sayegh,Christian Gué rin |
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| Affiliation: | Laboratoire de Chimie Moléculaire et Organisation du Solide (LCMOS), UMR 5637, Université Montpellier, Place E. Bataillon, 34095 Montpellier Cedex 5, France |
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| Abstract: | We report a new family of soluble cyano-bridged coordination polymer nanoparticles M3[Cr(CN)6]2/[BMIM][BF4] (where M2+ = Ni, Mn, VIVO; BMIM = 1-butyl-3-methylimidazolium). These nanoparticles of ca. 6 nm were synthesised in the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate, which acts both as a stabilizing agent and a solvent. The magnetic properties of frozen colloids containing the nanoparticles show that the relaxation of magnetisation is strongly influenced by interparticle interactions leading to the appearance of spin-glass-like dynamics in these systems. |
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| Keywords: | Cyano-bridged coordination polymers Ionic liquids Nanoparticles Superparamagnetic Magnetic properties |
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