Patent ID: 7190870
Filing Date: 2007-03-13
Classification: B82Y,G02B,H01S

Abstract:
1. A composite comprising: a plurality of semiconductor nanocrystals incorporated in an inorganic matrix including titanium; and a coordinating ligand associated with the semiconductor nanocrystal; wherein the coordinating ligand has the formula wherein k is 2,3 or 5, n is 1, 2, 3, 4 or 5, and m is 1 or 2, 3, 4, 5, 6, 7, 8, 9 or 10; X is O, S, S═O, SO each of Y and L, independently, is a straight or branched C each of R Z is hydroxy, sulfhydryl, sulfinate, sulfinic acid, sulfonate, sulfonic acid, disulphide, carboxyl, carboxylate, amine, amide, alkoxysilyl, halosilyl, phosphate, phosphonic acid, phosphonate ester, phosphinate, phosphinic acid, or phosphinate ester.