Plasmonic enhanced polymer solar cell with inclusion of Ag@SiO 2 core‐shell nanostructures

Elmira Alikhaidarova, D. A. Afanasyev, Niyazbek Kh. Ibrayev, Nurxat Nuraje

2021

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DOI 10.1002/pat.5574
Data confidence 70 medium
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Abstract

Abstract In this work, the effect of Ag@SiO 2 core‐shell nanostructure (NS) on photovoltaic characteristics of polymer solar cell has been studied. Addition of Ag@SiO 2 nanostructure containing SiO 2 dielectric shell into the polymer solar cell eliminates the influence of metal nanoparticles (NP) to electron transfer between the polymer and the metal nanoparticles. The efficiency of the polymer solar cell was increased by 60% for the optimal concentration of Ag@SiO 2 NSs (10 −8 mol/L) in the PEDOT:PSS film. The increased efficiency of the polymer solar cell with inclusion of Ag@SiO 2 nanostructure in PEDOT:PSS film was ascribed to a decrease of the electrical resistance of the PEDOT:PSS layer and enhancement of light harvesting by light scattering of Ag@SiO 2 nanostructure in the polymer solar cell. The mechanism and kinetics of the plasmonic enhanced polymer solar cell were explained by IPCE, time‐resolved photoluminescence spectroscopy, and EIS studies.