Video Experimental Relacionado

Updated: Jan 29, 2026

Fabrication of Robust Nanoscale Contact between a Silver Nanowire Electrode and CdS Buffer Layer in CuIn,GaSe2 Thin-film Solar Cells

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Ajuste de la absorción óptica y el rendimiento del dispositivo en células solares orgánicas P3HT:PCBM utilizando

Alaa Y Mahmoud¹

¹Department of Physical Sciences, College of Science, University of Jeddah, Jeddah 21589-80200, Saudi Arabia.

|January 28, 2026

Abstract:

In this study, we investigated the effect of annealing ultrathin silver (Ag) films of varying thicknesses (1-6 nm) on both their optical absorption and the performance of poly(3-hexylthiophene-2,5-diyl) (P3HT) and [6,6]-phenyl-C₆₁-butyric acid methyl ester (PCBM) organic solar cells (OSCs). The Ag films were deposited on indium tin oxide (ITO) anodes and annealed at 300 °C for 1-2 h to modify the anodic interface. The optical and electrical properties of the resulting devices were systematically characterized and optimized. The results revealed that a 1 nm AgO layer annealed for 2 h significantly enhanced the device performance, yielding a 6% increase in power conversion efficiency compared to the standard configuration. This improvement is attributed to two main factors: (i) a 25% increase in light absorption of the AgO/P3HT:PCBM film due to localized surface plasmon resonance of Ag nanoparticles and (ii) an 11% reduction in series resistance resulting from the favorable alignment of the Ag work function with the ITO anode and the polymer HOMO, which facilitates efficient hole extraction. These findings highlight the potential of ultrathin, annealed Ag/AgO interfacial layers as an effective strategy to enhance light absorption and charge transport in OSCs.

Palabras clave:

capa interfacial anódica optimización de dispositivos resonancia de plasmón superficial localizada células solares orgánicas películas delgadas de plata recocido térmico

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