Improving power conversion efficiency of perovskite solar cells by cooperative LSPR of gold-silver dual nanoparticles |
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| Affiliation: | 1.Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China;2.Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA;3.School of New Energy Science and Engineering, Xinyu University, Xinyu 338004, China |
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| Abstract: | Enhancing optical and electrical performances is effective in improving power conversion efficiency of photovoltaic devices. Here, gold and silver dual nanoparticles were imported and embedded in the hole transport layer of perovskite solar cells. Due to the cooperative localized surface plasmon resonance of these two kinds of metal nanostructures, light harvest of perovskite material layer and the electrical performance of device were improved, which finally upgraded short circuit current density by 10.0%, and helped to increase power conversion efficiency from 10.4% to 11.6% under AM 1.5G illumination with intensity of 100 m W/cm~2. In addition, we explored the influence of silver and gold nanoparticles on charge carrier generation, dissociation, recombination, and transportation inside perovskite solar cells. |
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| Keywords: | light harvest perovskite solar cells silver nanoparticle gold nanoparticle |
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