Super-Stable, High-Quality Fe<sub>3</sub> O<sub>4</sub> Dendron-Nanocrystals Dispersible in Both Organic and Aqueous Solutions.

Kim, M; Chen, Y; Liu, Y; Peng, X · Adv Mater · 2005

basic_science · Level V

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Abstract

High-quality Fe<sub>3</sub> O<sub>4</sub> nanocrystals coated with stearate groups are successfully converted to dendron-coated nanocrystals (dendron-nanocrystals). Poly(ethylene glycol) oligomers are used as major terminal groups for the dendron ligands, which afford excellent dispersibility of the dendron-nanocrystals in a broad spectrum of solvents, ranging from dichloromethane to water.