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Title: Process for producing cadmium sulfide on a cadmium telluride surface

Abstract

A process for producing a layer of cadmium sulfide on a cadmium telluride surface to be employed in a photovoltaic device. The process comprises providing a cadmium telluride surface which is exposed to a hydrogen sulfide plasma at an exposure flow rate, an exposure time and an exposure temperature sufficient to permit reaction between the hydrogen sulfide and cadmium telluride to thereby form a cadmium sulfide layer on the cadmium telluride surface and accomplish passivation. In addition to passivation, a heterojunction at the interface of the cadmium sulfide and the cadmium telluride can be formed when the layer of cadmium sulfide formed on the cadmium telluride is of sufficient thickness.

Inventors:
 [1];  [2];  [1]
  1. Lakewood, CO
  2. Longmont, CO
Issue Date:
Research Org.:
Midwest Research Institute, Kansas City, MO (United States)
OSTI Identifier:
870538
Patent Number(s):
5541118
Assignee:
Midwest Research Institute (Kansas City, MO)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
DOE Contract Number:  
AC36-83CH10093
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
process; producing; cadmium; sulfide; telluride; surface; layer; employed; photovoltaic; device; comprises; providing; exposed; hydrogen; plasma; exposure; flow; rate; time; temperature; sufficient; permit; reaction; form; accomplish; passivation; addition; heterojunction; interface; formed; thickness; sufficient thickness; comprises providing; flow rate; photovoltaic device; hydrogen sulfide; temperature sufficient; process comprises; cadmium telluride; cadmium sulfide; exposure time; telluride surface; sulfide layer; sulfide form; /438/136/257/427/

Citation Formats

Levi, Dean H, Nelson, Art J, and Ahrenkiel, Richard K. Process for producing cadmium sulfide on a cadmium telluride surface. United States: N. p., 1996. Web.
Levi, Dean H, Nelson, Art J, & Ahrenkiel, Richard K. Process for producing cadmium sulfide on a cadmium telluride surface. United States.
Levi, Dean H, Nelson, Art J, and Ahrenkiel, Richard K. Mon . "Process for producing cadmium sulfide on a cadmium telluride surface". United States. https://www.osti.gov/servlets/purl/870538.
@article{osti_870538,
title = {Process for producing cadmium sulfide on a cadmium telluride surface},
author = {Levi, Dean H and Nelson, Art J and Ahrenkiel, Richard K},
abstractNote = {A process for producing a layer of cadmium sulfide on a cadmium telluride surface to be employed in a photovoltaic device. The process comprises providing a cadmium telluride surface which is exposed to a hydrogen sulfide plasma at an exposure flow rate, an exposure time and an exposure temperature sufficient to permit reaction between the hydrogen sulfide and cadmium telluride to thereby form a cadmium sulfide layer on the cadmium telluride surface and accomplish passivation. In addition to passivation, a heterojunction at the interface of the cadmium sulfide and the cadmium telluride can be formed when the layer of cadmium sulfide formed on the cadmium telluride is of sufficient thickness.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1996},
month = {Mon Jan 01 00:00:00 EST 1996}
}

Works referenced in this record:

Dramatic enhancement in the gain of a GaAs/AlGaAs heterostructure bipolar transistor by surface chemical passivation
journal, July 1987


Nearly ideal electronic properties of sulfide coated GaAs surfaces
journal, August 1987


Raman scattering measurements of decreased barrier heights in GaAs following surface chemical passivation
journal, December 1987


Processing and characterization of large‐grain thin‐film CdTe
journal, September 1994

  • Nelson, Art J.; Hasoon, F.; Levi, Dean
  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 12, Issue 5
  • https://doi.org/10.1116/1.578947