Journal of Green Energy Research and Innovation
Quarterly

Improving the Absorption Bandwidth in Carbon-Based Perovskite ‎Cells with A Combined Light Trapping Structure

Document Type : Research article

Authors

Bahareh Boroomandnasab
Salem Doreghi

Department of Electrical and ICT, Faculty of Technical Engineering, Institute for Higher Education, ACECR, Khouzestan, IRAN.

https://doi.org/10.61186/jgeri.2.2.36
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.‎‎

Graphical Abstract

Improving the Absorption Bandwidth in Carbon-Based Perovskite ‎Cells with A Combined Light Trapping Structure

Highlights

❖ Combines silver-silica nanoparticles and PMMA anti-reflective coating to boost absorption in carbon-based perovskite solar cells.
❖ Uses 100 nm radius nanoparticles, 280 nm period, 2 nm silica shell, and 60 nm PMMA for near-total light absorption.
❖ Achieves 25.264 mA/cm² short-circuit current, 22% better than reference cells.
❖ Enables 600 nm perovskite layers to match thicker ones, reducing lead use despite fabrication challenges.

Keywords

Perovskite solar cells
Nanoparticles
Absorption enhancement
Light trapping.‎

Declaration of competing interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The ethical issues, including plagiarism, informed consent, misconduct, data fabrication and/or falsification, double publication and/or submission, redundancy, have been completely observed by the authors.

Credit Authorship Contribution Statement
Bahareh boroomandnasab: Data curation, Formal analysis, Software, Validation, Visualization, Roles/Writing-original draft. Salem Doreghi: Investigation,‎ Software.

Bibliography

Bahareh boroomandnasab was born in 1988, in Dezful, Iran. She received her Bachelor's, Master's, and Ph.D. degrees in Electronics Systems Engineering from Shahid Chamran University of Ahvaz, Ahvaz, Iran in 2011, 2013, and 2019, respectively. She is currently an Assistant Professor in Institute for Higher Education, ACECR, Khuzestan, IRAN. Her research interests include semiconductor device design, simulation and fabrication.‎

Salem Doreghi is an Electronics Engineer at Karun Oil and Gas Exploitation Company. At work, he repairs all ‎types of power supply and UPS. He was born in 1988. He is from Iran and the city of Ahvaz. He believes that ‎electronic science helps people in all aspects of daily life. He has a master's degree from Institute for Higher ‎Education ACECR Khuzestan.‎‎

Citation

B. Boroomandnasab, and S. Doreghi," Improving the Absorption Bandwidth in Carbon-Based Perovskite Cells with A Combined Light Trapping Structure," Journal of Green Energy Research and Innovation, vol. 2, no. 2, pp. 36-47, 2025.

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Journal of Green Energy Research and Innovation
Volume 2, Issue 2
Spring 2025
Pages 36-47

  • Receive Date 26 February 2025
  • Revise Date 15 March 2025
  • Accept Date 18 March 2025
  • Publish Date 01 June 2025

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