Investigation of the Effect of Band Offset and Mobility of Organic/Inorganic HTM Layers on the Performance of Perovskite Solar Cells

Journal of Optoelectronical Nanostructures

مقاله 6، دوره 5، شماره 2 - شماره پیاپی 18، مرداد 2020، صفحه 65-78   

نوع مقاله: Articles

نویسندگان

davood jalalian¹؛ Abbas Ghadimi^{* 2}؛ Azadeh Kiani Sarkaleh¹

¹Department of Electrical Engineering, Rasht Branch, Islamic Azad University, Rasht, Iran

²Department of Electrical Engineering, Lahijan Branch, Islamic Azad University, Lahijan, Iran

تاریخ دریافت: 13 اردیبهشت 1399،  تاریخ بازنگری: 26 اردیبهشت 1399،  تاریخ پذیرش: 26 خرداد 1399 

چکیده

Abstract: Perovskite solar cells have become an attractive subject in the solar energy
device area. During ten years of development, the energy conversion efficiency has been
improved from 2.2% to more than 22%, and it still has a very good potential for further
enhancement. In this paper, a numerical model of the perovskite solar cell with the
structure of glass/ FTO/ TiO2/ H3NH3PbI3/ HTM/Au by using Silvaco Atlas software is
presented. The effect of hole transport material characteristics, including hole mobility
and band gap offset of organic and inorganic HTM layers such as Spiro-MOeTAD, CuO
and Cu2O on the performance of PSCs are investigated. The simulation results reveal that
with increase of hole mobility in hole transport layer, the cell efficiency is increases.
Meanwhile, the solar cell exhibits a better performance by using inorganic materials like
CuO and Cu2O as hole transport layer, than by using Spiro-MOeTAD, particularly the
efficiency reaches 22.12% when Cu2O is used.

کلیدواژه‌ها

Perovskite Solar Cell؛ Hole Transport Layer؛ HTM؛ Bandgap Offset؛ Efficiency

مراجع

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