Is that possible to obtain the band gap energy of TiO2 using UV-Vis spectroscopy ? and how?

Shimelis Kebede Kassahun @Shimelis-Kassahun

05 March 2016 1 2K Report

What are the drawbacks compared with the DRS analysis in powder form?

Yes, by plotting absorption spectra versus wavelengths and plotting absorption coefficient versus photon energy (eV) with some formulation and plotting extrapolation edge touching at photon energy horizontal axis is band gap in eV..

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