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Coating Magnetite Nanoparticles with a Polyaryl Monolayer through Bergman Cyclization‐Mediated Polymerization
Author(s) -
Li Zhiwen,
Zhu Xiujuan,
Chen Shudan,
Hu Aiguo
Publication year - 2013
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201201132
Subject(s) - monolayer , superparamagnetism , nanoparticle , polymerization , x ray photoelectron spectroscopy , materials science , raman spectroscopy , magnetite , nanotechnology , chemical engineering , composite material , magnetization , physics , engineering , optics , metallurgy , quantum mechanics , magnetic field , polymer
In a PAR shell : Superparamagnetic core–shell materials with Fe 3 O 4 nanoparticle cores and cross‐linked polyaryl (PAR) monolayer shells were fabricated by self‐assembly of enediyne compound monolayers followed by Bergman cyclization‐mediated polymerization. The surface coating with a PAR monolayer was confirmed by TGA, XPS, and Raman analysis. The Fe 3 O 4 @PAR composites display a high saturation magnetization and excellent chemical stability, and moreover exhibit a typical ferrofluidic behavior.
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