C - Chemistry – Metallurgy – 30 – B
Patent
C - Chemistry, Metallurgy
30
B
C30B 33/00 (2006.01) C12Q 1/68 (2006.01) G01N 33/53 (2006.01) G01N 33/553 (2006.01)
Patent
CA 2446878
A method for stabilizing colloidal suspensions of nanocrystals or nanoparticles in a solvent or solid matrix is provided by coating the nanocrystals with bulky organic molecules, specifically dendrons. By coating nanocrystals with a dense organic dendron coat and further cross-linking the dendron ligands, oxidation of the nanocrystals and dissociation of the ligands are avoided. This invention allows nanocrystals to undergo rigorous purification and processing. It may regularly be applied to a variety of nanocrystals.
L'invention concerne un procédé permettant de stabiliser des suspensions colloïdales de nanocristaux ou de nanoparticules dans un solvant ou une matrice solide par enrobage desdits nanocristaux au moyen de molécules organiques volumineuses, spécifiquement des dendrons. On évite l'oxydation des nanocristaux et la dissociation de ligands par enrobage desdits nanocristaux au moyen d'un enrobage de dendrons organiques denses, puis par réticulation des ligands de dendrons. L'invention permet aux nanocristaux d'entreprendre une purification et un traitement rigoureux. Elle être régulièrement appliquée à une variété de nanocristaux.
Chen Haiyan
Peng Xiaogang
Finlayson & Singlehurst
Nanomaterials And Nanofabrication Laboratories
The Board Of Trustees Of The University Of Arkansas N.a.
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