ArticleScientific reports2026
Simulation and performance analysis of nanostructure-based perovskite solar cells for improving their efficiency.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Perovskite solar cells (PSCs) offer high efficiency potential; however, their optical absorption is limited by the thin absorber layers required for efficient charge transport. Enhancing light harvesting without degrading electrical performance remains a key challenge for high-efficiency PSCs.In this study, four perovskite-based device architectures are systematically designed and numerically investigated to improve absorption through plasmonic light trapping, interfacial engineering, and tandem integration. Optical properties are analyzed using finite-difference time-domain (FDTD) simulations, while electrical performance is evaluated via coupled finite-element drift-diffusion modeling under standard AM1.5G illumination.The studied configurations include a reference planar structure, a plasmonic design with hemispherical Ag nanostructures, a graphene-InP Schottky-based hybrid architecture, and a perovskite-InP tandem device. The plasmonic structure enhances long-wavelength absorption, increasing power conversion efficiency from 16.1% to 18.9% despite reduced absorber thickness. Incorporation of a graphene-InP interface further improves charge extraction, achieving an efficiency of approximately 24.8%. The tandem configuration provides the broadest spectral utilization, delivering a simulated efficiency of up to 32% through complementary absorption and voltage addition.These results demonstrate the importance of combined optical-electrical optimization and provide design guidelines for developing high-efficiency thin-film perovskite solar cells.
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