How to calculate band gap energy from photoluminescence (PL) in origin

Buy this complete course on Udemy https://www.udemy.com/course/advanced... #bandgapenergy #originpro #sayphysics 0:00 band gap Eg calculation from photoluminescence (PL) spectra 1:15 what is photoluminescence, fluorescence, phosphorescence 1:30 direct and indirect bandgap materials 3:50 radiative vs non-radiative recombination 05:00 limitations of the band gap (Eg) from photoluminescence (PL) spectra 6:10 calculate band gap (Eg) from photoluminescence (PL) spectra using origin software 7:10 band gap (Eg) of UV-Vis reflection data using Tauc plot 10:30 band gap (Eg) calculation from excitation and emission photoluminescence (PL) spectra Exercise Files (Origin File): https://drive.google.com/file/d/1wLCK... https://drive.google.com/file/d/1GvOY... The bandgap energy of a semiconductor material can be calculated from photoluminescence (PL) data using Origin software. In this Youtube video, we will provide step-by-step instructions on how to analyze PL spectra and calculate the bandgap energy using Origin. We will first explain the theory behind PL and how it relates to bandgap energy. Then, we will demonstrate how to import PL data into Origin and perform background subtraction and normalization. Next, we will show how to fit the PL spectra using different models and extract the bandgap energy from the fitting results. Finally, we will discuss the limitations and potential sources of errors in this method. By the end of this video, viewers will have a clear understanding of how to calculate the bandgap energy from PL data using Origin, which can be useful for materials scientists, physicists, and engineers working on the development of semiconductor devices. "band gap energy calculation" "photoluminescence analysis" "data plotting in OriginLab" "OriginLab tutorial" "spectroscopy data analysis" "bandgap determination from PL" "PL spectrum analysis" "semiconductor band gap calculation" "energy bandgap analysis" "optical spectroscopy data analysis" "quantum mechanics calculations" "PL peak fitting in OriginLab" "materials science data analysis" "bandgap engineering in semiconductors" "optoelectronic materials analysis" "band gap measurement techniques" "photoexcitation spectroscopy analysis" "energy level diagram analysis" "optical properties of materials" "PL intensity analysis in OriginLab" All UV-Vis Analysis Video Tutorials: 1. How to calculate band gap energy from UV-Vis absorption    • How to calculate band gap energy from UV-V...   2. Calculate band gap energy from UV-Vis absorbance    • Calculate band gap energy from UV-Vis abso...   3. How to calculate band gap energy from UV-Vis reflection (DRS) data    • How to calculate band gap energy from UV-V...   4. How to calculate band gap energy from photoluminescence (PL) data    • How to calculate band gap energy from phot...   5. Band gap energy with baseline correction using Tauc plot from UV-Vis absorbance data    • Band gap energy with baseline correction u...   6. How to estimate the size of nanoparticles from UV-Vis absorbance data    • How to estimate the size of nanoparticles ...   7. Nanoparticle size, morphology, concentration and distribution from UV-Vis absorbance data    • Nanoparticle size, morphology, concentrati...   8. Calculate concentration from UV-Vis absorbance using Beer-Lambert's law    • Calculate concentration from UV-Vis absorb...   9. How to calculate Urbach energy from UV-Vis absorbance data    • How to calculate Urbach energy from UV-Vis...   10. How to plot and normalize FTIR and UV-VIS data    • How to plot and normalize FTIR and UV-VIS ...   11. Absorption coefficient α calculation from UV-Vis absorbance data    • Absorption coefficient α calculation from ...   Reference article: http://reports.ias.ac.in/report/20872... https://iopscience.iop.org/article/10... How is band gap energy calculated? How is band gap energy of a semiconductor calculated? How is the band gap measured? How do you find the band gap from the PL result?