Optoelectronic Parameters of 2-oxo-2-(1-oxo-1H-isochromen-3-yl)ethyl methacrylate Compound Thin Film

Abstract

The UV/VIS spectrophotometric scans were obtained to determine the opto-electronic properties of 2-oxo-2-(1-oxo-1H-isochromen-3-yl)ethyl methacrylate (other name: 2-(isocoumarin-3-yl)-2-oxoethyl methacrylate) compound thin film. The refractive index of compound at 700 nm was found to be 1.61. The values of the real part of the dielectric constant were higher than those of the imaginary part. The results indicated that the electronic transition responsible for the absorption was the indirect allowed one. The optical band gap constant and the Urbach energy corresponding to the width of the band tails of localized states were calculated to be 3.19 eV and 1.05 eV, respectively. From the results obtained, it is predicted that 2-oxo-2-(1-oxo-1H-isochromen-3-yl)ethyl methacrylate (OICEMA) compound can take place in the semiconductor class and play a role in the design of some electro-optic materials.

Keywords

• 1H-isochromen-1-one
• isocoumarin
• UV absorptions
• optical properties
• dispersion parameters

References

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