Inorganic nanocrystals with organic coating layer, their...

Details Inorganic nanocrystals with organic coating layer, their... Inorganic nanocrystals with organic coating layer, their...

2007-12-18

2007-12-18

Le, H. T (Department: 1773)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C977S813000, C977S830000

Reexamination Certificate

active

11000525

ABSTRACT:
Nanocrystal comprising an inorganic core consisting of least one metal and/or at least one semi-conductor compound comprising at least one metal, the external surface of said nanocrystal being provided with an organic coating layer, consisting of at least one ligand compound of formula (I):in-line-formulae description="In-line Formulae" end="lead"?X—Y-Z  (I)in-line-formulae description="In-line Formulae" end="tail"?in whichX represents a 1,1-dithiolate or 1,1-diselenoate group that is linked by the two atoms of sulphur or selenium to an atom of metal of the external surface of said nanocrystal;Y represents a spacer group, such as a group capable of allowing a transfer of charge or an insulating group;Z is a group chosen from among groups capable of communicating specific properties to the nanocrystal.Their methods of manufacture.

REFERENCES:
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patent: 7101718 (2006-09-01), Weiss et al.
patent: 7108915 (2006-09-01), Adams et al.

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