Abstract
In the present work, similar composition of glasses are melted in two different crucibles i.e., alumina and Pt-Rh. Both glasses are synthesized using corn husk ash, sugar cane leaves ash and egg shell powder via melt quench method. The as-prepared samples are characterized by X-ray diffraction, scanning electron microscopy with energy dispersive spectroscopy, Fourier transforms infrared spectroscopy, Raman spectroscopy, and UV–visible spectroscopy to study their structural, elemental composition and optical properties, respectively. The results revealed that glasses synthesized in a platinum crucible have a different optical band gap, refractive index and Urbach energy than glasses synthesized in an alumina crucible. These changes are associated with the alumina picked up by glass that were melted in an alumina crucible.
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