How to measure the bandgap energy of a powder sample using UV-Vis-NIR Spectrometer in a special situation?

Dear Scholars, I hope you are fine. It's been a while that in our laboratory, the UV-Vis-NIR Spectrometer for measuring the bandgap (Perkin Elmer Model: Lambda 950) is broken. It is showing a flat...

14 March 2022 6,783 3 View