کنفرانس بین المللی میکروالکترونیک ایران

صفحه اصلی / ششمین کنفرانس بین المللی میکروالکترونیک ایران

Efficiency enhancement of tin-based perovskite solar cell with carbon back-contact using cubic and pyramid metallic nano-particles: numerical investigation

نویسندگان :

Amir Hossein Mohammadian Fard¹ Samiye Matloub²

1- دانشگاه تبریز 2- دانشگاه تبریز

کلمات کلیدی :

Perovskite solar cells،plasmonic nano-particles،high efficiency

چکیده :

The escalation of global heating and the gradual Diminishment of Fossil Fuel Reserves have highlighted the growing importance of photovoltaic systems. In this research study, we examined the effects of incorporating cubic and pyramid-shaped plasmonic nanoparticles into the lead-free and eco-friendly perovskite absorber layers. Within the perovskite absorber layer, a variety of metallic nanoparticles, including gold and silver, were utilized. In order to find the best nanostructure for efficiently absorbing light across a wide bandgap range, a comprehensive comparison was conducted. The specific wavelength range under investigation spanned from 300 nm to 1100 nm, which corresponds to a bandgap energy of 1.3 eV. To improve stability and lower production expenses, carbon was used as the material for the back contact, replacing the conventional metal contacts. Additionally, to prevent direct contact between the perovskite layer and metallic nanoparticles, a 3nm-thick SiO2 nano-shell was strategically implemented at the interface of the metallic nanoparticles. In this research, the perovskite solar cell design incorporates the following layers: SiO2, ITO (indium tin oxide), SnO2, MASnI3, MoO3, and carbon. Through optical and electrical investigations, we have found compelling evidence that the intensity of the local field significantly increases near the edges of metallic nanoparticles. Importantly, the PSC efficiency experiences a remarkable enhancement of 33.42%, rising from an initial efficiency of 17.8% to an impressive 23.75%, when an Ag-based cubic and pyramid nanoparticles is incorporated, as compared to PSCs in absence of metallic nanoparticles. This accomplishment led to an impressive overall efficiency of 23.75% and a short-circuit current measuring 31.9 mA/cm².