Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/4342
Title: Phosphorus doped carbon dots additive improves the performance of perovskite solar cells via defect passivation in MAPbI3 films
Authors: Kırbıyık Kurukavak, Çisem
Yılmaz, Tuğbahan
Büyükbekar, Alihan
Tok, Mutahire
Kuş, Mahmut
Keywords: Perovskite solar cells
Defect passivation
P-CQDs
Additive engineering
Crystallinity
Highly Efficient
Quantum Dots
Issue Date: 2023
Publisher: Elsevier
Abstract: Perovskites have been widely investigated as absorber layer in photovoltaic technology owing to their excellent properties. For further enhancement of the power conversion efficiencies (PCEs) of MAPbI3 perovskite solar cells, here, we successfully synthesized phosphorus doped carbon dots (P-CQDs) by solvothermal method and inves-tigated their effect as an additive on the perovskite film properties and photovoltaic performance. The results showed that electron-rich phosphorus can act as an excellent core unit in perovskite absorber layer to passivate defects at the surface for improved the crystallization and charge transport properties. Thanks to passivation effect of P-CQDs on perovskite films, as well as the suitable energy band gap values and optical properties of MAPbI3 layer, the device prepared with the addition of 5 vol% of P-CQDs achieved a champion PCE of 13.12% with a high fill factor (FF) of 73.44%, higher than the PCE of 10.71% with a FF of 58.81% for control device.
URI: https://doi.org/10.1016/j.mtcomm.2023.105668
https://hdl.handle.net/20.500.13091/4342
ISSN: 2352-4928
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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