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HomeSolid State PhenomenaSolid State Phenomena Vol. 307Band Gap Narrowing of MgO and Mg0.95Zn0.05O...

Band Gap Narrowing of MgO and Mg_0.95Zn_0.05O Nanostructures

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Abstract:

Preparation of MgO and Mg_0.95Zn_0.05O nanomaterials using self-propagating combustion method are done to investigate the effect of doping on the band gap energy. The synthesis condition has been optimized to obtain pure MgO and Mg_0.95Zn_0.05O materials which confirmed by XRD. FESEM results shows agglomeration of crystallite with average crystallite size of samples between 30 nm to 125 nm. The band gap obtained from the measurement of UV-Vis NIR spectrophotometer for MgO nanostructure is 6.36 eV which is lower than bulk MgO of 7.8 eV. The presence of Zn in Mg_0.95Zn_0.05O sample causes the narrowing of band gap to 5.33 eV.

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Solid State Science and Technology XXX

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Periodical:

Solid State Phenomena (Volume 307)

Pages:

273-278

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.307.273

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Online since:

July 2020

Authors:

Nor Fadilah Chayed*, Nurhanna Badar, Kelimah Elong, Norlida Kamarulzaman

Keywords:

Band Gap, Doped, Mg_0.95Zn_0.05O, MgO

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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