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Formation of an Isolated Spherical Three‐Dimensional Nanoparticle Assembly as Stable Submicrometer‐Sized Units by Using an Inorganic Wrapping Technique
Author(s) -
Yonezawa T.,
Matsune H.,
Kimizuka N.
Publication year - 2003
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.200390115
Subject(s) - materials science , nanoparticle , pulmonary surfactant , nanotechnology , chemical engineering , engineering
A novel inorganic wrapping technique has been used to create stable, three‐dimensional spherical assemblies of gold nanoparticles. Uniform, crack‐free TiO 2 layers of 5 nm thickness could be wrapped around the nanoparticle assemblies using a sol–gel technique. Upon addition of a suitable surfactant these particles are stable in organic media (see Figure: with (right) and without (left) suitable surfactant).