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Title: Methods for the preparation of colloidal nanocrystal dispersion

Methods of preparing a dispersion of colloidal nanocrystals (NCs) for use as NC thin films are disclosed. A dispersion of NCs capped with ligands may be mixed with a solution containing chalcogenocyanate (xCN)-based ligands. The mixture may be separated into a supernatant and a flocculate. The flocculate may be dispersed with a solvent to form a subsequent dispersion of NCs capped with xCN-based ligands.
Inventors:
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Issue Date:
OSTI Identifier:
1485283
Assignee:
The Trustees of the University of Pennsylvania (Philadelphia, PA) CHO
Patent Number(s):
10,096,733
Application Number:
15/150,816
Contract Number:
SC0002158
Resource Relation:
Patent File Date: 2016 May 10
Research Org:
The Trustees of the University of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Works referenced in this record:

Printed dopant layers
patent-application, February 2008

Colloidal nanocrystal synthesis and the organic´┐Żinorganic interface
journal, September 2005
  • Yin, Yadong; Alivisatos, A. Paul
  • Nature, Vol. 437, Issue 7059, p. 664-670
  • DOI: 10.1038/nature04165