Semiconductor nanocrystals covalently bound to solid inorganic surfaces using self-assembled monolayers

Alivisatos, A Paul; Colvin, Vicki L

Title: Semiconductor nanocrystals covalently bound to solid inorganic surfaces using self-assembled monolayers

Patent · Tue May 12 00:00:00 EDT 1998

OSTI ID:871542

Alivisatos, A Paul ^[1]; Colvin, Vicki L ^[1]

Berkeley, CA

Methods are described for attaching semiconductor nanocrystals to solid inorganic surfaces, using self-assembled bifunctional organic monolayers as bridge compounds. Two different techniques are presented. One relies on the formation of self-assembled monolayers on these surfaces. When exposed to solutions of nanocrystals, these bridge compounds bind the crystals and anchor them to the surface. The second technique attaches nanocrystals already coated with bridge compounds to the surfaces. Analyses indicate the presence of quantum confined clusters on the surfaces at the nanolayer level. These materials allow electron spectroscopies to be completed on condensed phase clusters, and represent a first step towards synthesis of an organized assembly of clusters. These new products are also disclosed.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

DOE Contract Number:: AC03-76SF00098

Assignee:: Regents of University of CAlifornia (Oakland, CA)

Patent Number(s):: US 5751018

OSTI ID:: 871542

Country of Publication:: United States

Language:: English

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solid inorganic
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/257/

Title: Semiconductor nanocrystals covalently bound to solid inorganic surfaces using self-assembled monolayers

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References (43)

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