Improving the Absorption Bandwidth in Carbon-Based Perovskite Cells with A Combined Light Trapping Structure
Year: 2025
Type: article
Abstract: The research introduces a hybrid light trapping structure designed to enhance the absorption bandwidth in carbon-based perovskite solar cells. Silver nanoparticles coated with silica are included within the active layer of this structure. An anti-reflective coating is applied to the upper surface to enhance the absorption of additional wavelengths. The influence of geometric parameters, such as the radius and period of silver nanoparticles, the thickness of the silica protective shell, and the thickness of the anti-reflection coating, on light absorption is examined. The finite difference time domain technique in Lumerical software is employed to examine the specified parameters. A carbon-based perovskite solar cell was first introduced as a reference, followed by an examination of the proposed structure utilizing various geometric light absorption factors. The simulation findings indicate that nearly total light absorption may be attained using the ideal structural parameters for a 600 nm thick perovskite layer utilizing this configuration. A short-circuit current density of 25.264 mA/cm² can be attained utilizing silver-silica nanoparticles with a radius of 100 nm, a period of 280 nm, and a 60 nm thick PMMA anti-reflection coating over a 600 nm thick perovskite layer. This metric indicates a 22% enhancement relative to carbon-based perovskite solar cells lacking light control. The suggested hybrid light-trapping architecture enhances light usage and reduces material consumption in carbon-based perovskite solar cells.
Authors: Bahareh Boroomandnasab, Salem Doreghi
Institution: Academic Center for Education, Culture and Research
Language: English
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W4410920372