How to estimate the Band gap and nanoparticle size by UV-VIS Spectroscoy

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Chen Zitao

You can use 1240/ absorption edge wavelength to calculate the band gap i guess. But I dont think there's any tools can estimate NP size through UV-VIS. U can use TEM, XRD or SEM to estimate particle size.

Mi Xiao

Since I'm not sure about how to send you a message, I attach the message here: you can contact the first author, Dr. Sun, to ask for the papaer "Character of non-stoichiometric InP bulk crystal", his e-mail is [email protected].