Impact of Chlorine Doping on the Performance of Perovskite Solar Cells

Yıl 2019, , 2070 - 2078, 01.12.2019

Fatih Mehmet Coşkun , Şakir Aydoğan

https://doi.org/10.21597/jist.586456

Öz

In this paper the effect of Cl doping on
optical, photovoltaic and morphological properties of mixed halide perovskite
(CH₃NH₃PbI_3-xCl_x) structure in a
solar cell has been reported. The perovskite layer was spin-coated by employing
sequential deposition method over a PEDOT-PSS hole transport layer. Lastly, the
device was finished by coating Al via thermal evaporation. The addition of 10%
methylammonium chloride (MACl) by weight into the methylammonium iodide (MAI)
solution as additive was improved the photovoltaic performance of the solar
cell, since the Cl doping has positive effect on the growth of perovskite
crystals in the final film. Furthermore, addition of MACl enables the formation
of smoother films and thus reduces photocurrent leakage due to pinholes or
incomplete surface coverage. The Cl doping also increases reproducibility of
planar devices for consistent device results. 

Anahtar Kelimeler

Mixed Halide Perovskite Solar Cells, Cl Doping

Destekleyen Kurum

TUBITAK

Proje Numarası

TUBITAK BIDEB 2211-C

Teşekkür

FMC acknowledges the support by TUBITAK BIDEB 2211-C program for funding of this work.

Impact of Chlorine Doping on the Performance of Perovskite Solar Cells

Öz

In this paper the effect of Cl doping on optical, photovoltaic and morphological properties of mixed halide perovskite (CH3NH3PbI3-xClx) structure in a solar cell has been reported. The perovskite layer was spin-coated by employing sequential deposition method over a PEDOT-PSS hole transport layer. Lastly, the device was finished by coating Al via thermal evaporation. The addition of 10% methylammonium chloride (MACl) by weight into the methylammonium iodide (MAI) solution as additive was improved the photovoltaic performance of the solar cell, since the Cl doping has positive effect on the growth of perovskite crystals in the final film. Furthermore, addition of MACl enables the formation of smoother films and thus reduces photocurrent leakage due to pinholes or incomplete surface coverage. The Cl doping also increases reproducibility of planar devices for consistent device results.

Anahtar Kelimeler

Halide Perovskite Solar Cells, Cl Doping

Proje Numarası

TUBITAK BIDEB 2211-C

Kaynakça

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