Biomolecular synthesis of quantum dot composites

Details Biomolecular synthesis of quantum dot composites Biomolecular synthesis of quantum dot composites

1997-07-30

1999-11-16

Dudash, Diana

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Analysis, diagnosis, measuring, or testing product

427337, 427338, B05D 310, B05D 702

Patent

active

059853530

ABSTRACT:
A biomimetic approach utilizing biomolecular self-assembly is described to form nanometer particle size composites for uses, such as, nonlinear optical media. Yeast tRNA was utilized as an ion-exchange
ucleation site within a polymeric matrix (polyacrylamide). Cadmium ion-exchange and subsequent sulfide precipitation resulted in formation of nanometer particle size composites. Illumination of samples with an Argon laster (514 nm) utilizing the Z-scan measurement method resulted in third order nonlinearity .chi..sup.3 values of +2.7.times.10.sup.-6 esu.

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