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Plasmonic Gold Nanostars Incorporated into High-Efficiency Perovskite Solar Cells
Munkhbayar Batmunkh1, Thomas J Macdonald2, William J Peveler2
1School of Chemical and Physical Sciences, Flinders University, Bedford Park, South Australia, 5042, Australia.
Abstract:
Incorporating appropriate plasmonic nanostructures into photovoltaic (PV) systems is of great utility for enhancing photon absorption and thus improving device performance. Herein, the successful integration of plasmonic gold nanostars (AuNSs) into mesoporous TiO2 photoelectrodes for perovskite solar cells (PSCs) is reported. The PSCs fabricated with TiO2 -AuNSs photoelectrodes exhibited a device efficiency of up to 17.72 %, whereas the control cells without AuNSs showed a maximum efficiency of 15.19 %. We attribute the origin of increased device performance to enhanced light absorption and suppressed charge recombination.
