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Ligand‐Directed Assembly of Preformed Titania Nanocrystals into Highly Anisotropic Nanostructures
Author(s) -
Polleux J.,
Pin.,
Antonietti M.,
Niederberger M.
Publication year - 2004
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.200306251
Subject(s) - materials science , nanocrystal , nanostructure , nanometre , nanotechnology , ligand (biochemistry) , nanoparticle , self assembly , anisotropy , optics , chemistry , biochemistry , receptor , composite material , physics
Highly anisotropic TiO 2 nanostructures (see Figure) of several hundreds of nanometers in length were obtained by oriented assembly of preformed TiO 2 nanoparticles with typical diameters of 5 nm. The assembly is directed by a particularly small amount of a polydentate ligand with a low molecular weight, which binds selectively to specific crystal faces of the titania nanoparticles.