New molecules for organic photovoltaic and solar cell applications based on N-(7-imidazolyl) -aryl sulfonamides by DFT and TD-DFT Methods

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Abstract In this work, we use theoretical methods DFT density functional theory to calculate the electronic properties of the five molecules based on N- (7-indazolyl) -aryl sulfonamides, for an example of these parameters: HOMO energies, Energies of LUMO and E gap which are very interesting in the photovoltaic field. At the same time, we explore our result to achieve our goal of treminations the electronic and spectroscopic properties of these organic molecules through the use of TD-DFT, to determine the wavelengths of the molecules and to trace the visible, ultra-violet spectrum and to determine the transition states.

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