10 October 2015 8 2K Report

We prepared CdO nanoparticles and obtained band gap value is 4 eV. But the bulk material has around 2.7 eV. Is it possible to obtain the band gap value is 4 eV and what is the reason behind increased band gap value?

Is it possible band gap value get increased when the size of the material reached at nano level?

What is the relation between band gap and nano level?

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