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Title: Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films

Patent ·
OSTI ID:873277

A colloidal suspension comprising metal chalcogenide nanoparticles and a volatile capping agent. The colloidal suspension is made by reacting a metal salt with a chalcogenide salt in an organic solvent to precipitate a metal chalcogenide, recovering the metal chalcogenide, and admixing the metal chalcogenide with a volatile capping agent. The colloidal suspension is spray deposited onto a substrate to produce a semiconductor precursor film which is substantially free of impurities.

Research Organization:
Midwest Research Institute, Kansas City, MO (United States)
DOE Contract Number:
AC36-83CH10093
Assignee:
Midwest Research Institute (Kansas City, MO)
Patent Number(s):
US 6126740
OSTI ID:
873277
Country of Publication:
United States
Language:
English

References (7)

Preparation of colloidal semiconductor solutions of MoS2 and WSe2 via sonication journal September 1989
Nanoparticle precursor route to low‐temperature spray deposition of CdTe thin films journal October 1995
Solution Synthesis and Photoluminescence Studies of Small Crystallites of Cadmium Telluride journal January 1992
Nanocrystalline Solutions as Precursors to The Spray Deposition of Cdte Thin Films journal January 1995
Quantum Size Effects in Zinc Oxide Nanoclusters Synthesized by Reactive Sublimation journal January 1992
Photoluminescence in spray‐pyrolyzed CdTe journal May 1981
Characterization of solution-synthesized CdTe and HgTe journal April 1993