Usually solar cells are tested with solar simulator. Now solar simulator is not available at every research lab since they are expensive. Also not necessary your fabricated device will produce current and voltage as expected. If I test my device in actual sunlight at noon on sunny day can these results considered authentic for writing research paper? Also what other care do I have to take while testing my device in sunlight?
I can try to answer this.
To report accurate testing results for solar cells, it's necessary to use a standard AM 1.5 spectrum with 1000 mW/cm^2, which can be provided by any AAA grade solar simulator. If you lack access to such a facility, it's not advisable to report the data. Instead, you could test your solar cells at noon in natural sunlight and then repeat the same protocol in a laboratory with a simulator to obtain reliable results that can be reported with confidence.
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