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Open AccessArticle

Efficiency Enhancement of Perovskite Solar Cells with Plasmonic Nanoparticles: A Simulation Study

by Ali Hajjiah 1,*, Ishac Kandas 2,3,4 and Nader Shehata 2,3,4,5
1
Electrical Engineering Department, College of Engineering and Petroleum, Kuwait University, Safat 13113, Kuwait
2
Department of Engineering Mathematics and Physics, Faculty of Engineering, Alexandria University, Alexandria 21544, Egypt
3
Center of Smart Nanotechnology and Photonics (CSNP), SmartCI Research Center, Alexandria University, Alexandria 21544, Egypt
4
Kuwait College of Science and Technology (KCST), Doha Spur Rd., Safat 13113, Kuwait
5
USTAR Bioinnovation Center, Faculty of Science, Utah State University, Logan, UT 84341, USA
*
Author to whom correspondence should be addressed.
Materials 2018, 11(9), 1626; https://doi.org/10.3390/ma11091626
Received: 4 August 2018 / Revised: 1 September 2018 / Accepted: 3 September 2018 / Published: 5 September 2018
(This article belongs to the Special Issue Plasmonics and its Applications)
Recently, hybrid organic-inorganic perovskites have been extensively studied due to their promising optical properties with relatively low-cost and simple processing. However, the perovskite solar cells have some low optical absorption in the visible spectrum, especially around the red region. In this paper, an improvement of perovskite solar cell efficiency is studied via simulations through adding plasmonic nanoparticles (NPs) at the rear side of the solar cell. The plasmonic resonance wavelength is selected to be very close to the spectrum range of lower absorption of the perovskite: around 600 nm. Both gold and silver nanoparticles (Au and Ag NPs) are selected to introduce the plasmonic effect with diameters above 40 nm, to get an overlap between the plasmonic resonance spectrum and the requested lower absorption spectrum of the perovskite layer. Simulations show the increase in the short circuit current density (Jsc) as a result of adding Au and Ag NPs, respectively. Enhancement in Jsc is observed as the diameter of both Au and Ag NPs is increased beyond 40 nm. Furthermore, there is a slight increase in the reflection loss as the thickness of the plasmonic nanoparticles at the rear side of the solar cell is increased. A significant decrease in the current loss due to transmission is achieved as the size of the nanoparticles increases. As a comparison, slightly higher enhancement in external quantum efficiency (EQE) can be achieved in case of adding Ag NPs rather than Au NPs. View Full-Text
Keywords: Perovskites; solar cell; plasmonic nanoparticles; short circuit current; quantum efficiency Perovskites; solar cell; plasmonic nanoparticles; short circuit current; quantum efficiency
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Hajjiah, A.; Kandas, I.; Shehata, N. Efficiency Enhancement of Perovskite Solar Cells with Plasmonic Nanoparticles: A Simulation Study. Materials 2018, 11, 1626.

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