Methods for improving solar cell open circuit voltage

Patent · Mon Jan 01 00:00:00 EST 1979

OSTI ID:863467

Jordan, John F ^[1]; Singh, Vijay P ^[1]

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1. El Paso, TX

A method for producing a solar cell having an increased open circuit voltage. A layer of cadmium sulfide (CdS) produced by a chemical spray technique and having residual chlorides is exposed to a flow of hydrogen sulfide (H.sub.2 S) heated to a temperature of 400.degree.-600.degree. C. The residual chlorides are reduced and any remaining CdCl.sub.2 is converted to CdS. A heterojunction is formed over the CdS and electrodes are formed. Application of chromium as the positive electrode results in a further increase in the open circuit voltage available from the H.sub.2 S-treated solar cell.

• DOE Contract Number: E(29-2)-3579
• Assignee: Photon Power, Inc. (El Paso, TX)
• Patent Number(s): US 4178395
• OSTI ID: 863467
• Country of Publication: United States
• Language: English

Related Subjects

methods
improving
solar
cell
circuit
voltage
method
producing
increased
layer
cadmium
sulfide
cds
produced
chemical
spray
technique
residual
chlorides
exposed
flow
hydrogen
heated
temperature
400
degree
-600
reduced
remaining
cdcl
converted
heterojunction
formed
electrodes
application
chromium
positive
electrode
results
increase
available
s-treated
circuit voltage
positive electrode
solar cell
hydrogen sulfide
cadmium sulfide
spray technique
/438/136/427/