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Super‐Stable, High‐Quality Fe 3 O 4 Dendron–Nanocrystals Dispersible in Both Organic and Aqueous Solutions
Author(s) -
Kim M.,
Chen Y.,
Liu Y.,
Peng X.
Publication year - 2005
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200401991
Subject(s) - dendrimer , nanocrystal , materials science , aqueous solution , ethylene glycol , dichloromethane , chemical engineering , nanotechnology , polymer chemistry , organic chemistry , solvent , chemistry , engineering
High‐quality Fe 3 O 4 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 (see Figure).