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The Influence of Embedded Plasmonic Nanostructures on the Optical Absorption of Perovskite Solar Cells

Nano-photonics and Optoelectronics Research Laboratory (NORLab), Shahid Rajaee Teacher Training University, Lavizan 16788-15811, Tehran, Iran
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Photonics 2019, 6(2), 37; https://doi.org/10.3390/photonics6020037
Received: 19 February 2019 / Revised: 23 March 2019 / Accepted: 29 March 2019 / Published: 31 March 2019
The interaction of light with plasmonic nanostructures can induce electric field intensity either around or at the surface of the nanostructures. The enhanced intensity of the electric field can increase the probability of light absorption in the active layer of solar cells. The absorption edge of perovskite solar cells (PSCs), which is almost 800 nm, can be raised to higher wavelengths with the help of plasmonic nanostructures due to their perfect photovoltaic characteristics. We placed plasmonic nanoparticles (NPs) with different radii (20–60 nm) within the bulk of the perovskite solar cell and found that the Au nanoparticles with a radius of 60 nm increased the absorption of the cell by 20% compared to the bare one without Au nanoparticles. By increasing the radius of the nanoparticles, the total absorption of the cell will increase because of the scattering enhancement. The results reveal that the best case is the PSC with the NP radius of 60 nm. View Full-Text
Keywords: perovskite solar cell; plasmonic nanoparticles; absorbance; electromagnetic field distribution perovskite solar cell; plasmonic nanoparticles; absorbance; electromagnetic field distribution
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Ghahremanirad, E.; Olyaee, S.; Hedayati, M. The Influence of Embedded Plasmonic Nanostructures on the Optical Absorption of Perovskite Solar Cells. Photonics 2019, 6, 37.

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