Synthesis of organotin (IV) compounds derived from schiff bases with potential applications in solar cells Arturo García-Zavala, Oscar González-Antonio, Margarita Romero-Ávila,José Méndez- Stivalet and Norberto Farfán Facultad de Química, Universidad Nacional Autónoma de México, México The synthesis of three organotin (IV) compounds was carried out through a simple 'one-pot' reaction involving 7-hydroxycoumarin-8-carbaldehyde, diphenyl tin (IV) oxide, and the corresponding 2-aminophenol. Initially, they were subjected to an ultrasonic bath for 30 minutes, followed by continuous reflux for 12 hours using a Dean- Stark trap. Their geometries, frontier orbitals, and optical properties were calculated using the DFT approach. According to the computational results, frontiers orbitals indicate that these compounds could be tested in bulk heterojunction solar cells, however, variation in substituents in the 2-aminophenols allows for their potential application in dye-sensitized organic solar cells (DSSC) or bulk heterojunction (BHJ) cells.
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