Effect of Size Non-uniformity on Performance of a Plasmonic Perovskite Solar Cell: an Array of Embedded Plasmonic Nanoparticles with the Gaussian Distribution Radiuses
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The effect of non-uniformity in size of nanoparticles on the performance of a plasmonic halide perovskite solar cell is investigated. An array of plasmonic nanoparticles inside CH3NH3PbI3 absorber is used to design an ultra-thin perovskite solar cell. The effect of nanoparticle size is done in a realistic structure in which random particle radiuses are considered according to a Gaussian distribution profile. Localized surface plasmon effects are also taken into account and photocurrent enhancement is obtained. To compare more, a perovskite solar cell without plasmonic nanoparticles is simulated. Using an array of nanoparticles inside CH3NH3PbI3 (uniform radius of 80 nm) increases its photocurrent density from 18 to 22.3 mA/cm2. The effects of non-uniformity on the photocurrent is done in which radiuses are selected according to a Gaussian distribution. Photocurrent densities of 20.81, 21.32, 21.7, 21.95, 22.07, and 22.08 mA/cm2 are obtained for the Gaussian standard deviations of 0.5, 0.6, 0.7, 0.8, 0.9, and 1, respectively.
KeywordsPerovskite solar cells Non-uniformity Plasmonic nanoparticles Plasmon enhancement Gaussian distribution Array of nanoparticles
The authors would like to express their sincere thanks to the Deputy of Research of the University of Bonab for the financial grant and technical support.
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