IV curve of reference solar cell

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Chris Tran
Posts: 1
Joined: June 19th, 2018, 7:12 am
Country: United States

IV curve of reference solar cell

Post by Chris Tran » June 19th, 2018, 7:23 am

Hello,

I am having a bit of trouble running the tests on the SCS-4200.
The graphs I am receiving look like the one attached. Attached are also some parameters of the test. This is the default solar cell test, "fwd-ivsweep". What would be the cause this behavior? Even if I were to probe the solar cell with opposite terminals, I would still get the same graph. The open circuit voltage is zero according to the datasheet.
Attachments
overview.PNG
overview.PNG (1.08 MiB) Viewed 510 times
param.PNG
param.PNG (1.12 MiB) Viewed 510 times
Capture.PNG
Capture.PNG (1.33 MiB) Viewed 510 times

brian.d.smith
Keithley Applications
Keithley Applications
Posts: 402
Joined: June 10th, 2013, 6:00 am
Country: United States

Re: IV curve of reference solar cell

Post by brian.d.smith » July 5th, 2018, 6:47 am

I would start by testing the solar cell with a DMM for

1. Open circuit voltage under full sunlight

2. Short circuit current under full sunlight

Use the DMM INPUT HI and INPUT LO for the open circuit voltage test.

Use the DMM AMPS input and INPUT LO for the short circuit current test.

Perform those tests and post the results here for some further advice.

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