Automated spray growth for assemble 2D organic semiconducting materials using exotic molecules in open atmosphere

Abstract

This article presents the implementation of an automatic spray equipment in open atmosphere for the creation of multilayer materials with 2D organic semiconducting materials, suitable to manufacturing Gratzel solar cells devices; uses of spray coating open atmosphere techniques causes different changes in physical and chemical thin film technology (TFT) properties mainly in morphology, mechanical, compositional, magnetic and optical ones, improving at the same time nanoparticle adhesion phenomena. Through the automatic spray equipment was developed to apply optimized coating technique when performing production TFT processes. Due to the development of this device were obtained significant results in the fabrication of solar cells using graphene-like material, TiO2, exotic molecules for sensitizing semiconducting materials (Bixin type molecules) on substrate slides glass with accuracy thickness in the order of nm. Above materials were used to performed photovoltaic Gratzel cell devices and was found a growth for 2D organic semiconductors between 75 nm and 438 nm, also maximum electrical potential between 120 mV and 520 mV, in a 7.0 cm2 on standard illumination conditions, these results depend on fabrication process and molecule used on.