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Performance of Cs-Doped Carbon-Based Perovskite Solar Cells in Ambient Environment

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  • Tanzeela Yousaf

    (U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan)

  • Nadia Shahzad

    (U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan)

  • Abdul Sattar

    (U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan)

  • Muhammad Ali Tariq

    (U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan)

  • Naveed Hussain

    (U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan)

  • Zuhair S. Khan

    (U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan)

  • Sofia Javed

    (School of Chemical and Materials Engineering (SCME), National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan)

  • Muhammad Imran Shahzad

    (Nanosciences and Technology Department (NS&TD), National Centre for Physics (NCP), Islamabad 44000, Pakistan)

  • Diego Pugliese

    (Department of Applied Science and Technology (DISAT) and RU INSTM, Politecnico di Torino, 10129 Torino, Italy)

Abstract

The development of organometal halide-based perovskite solar cells (PSCs) has made remarkable progress in photovoltaics. The commercialization of PSCs is still significantly limited, owing to their poor stability and the high material cost of a hole transport layer (HTL) and metal electrodes. To counter these issues, a carbon-based HTL and noble metal-free PSCs are being used. In this work, the effect of Cs-doping on perovskite film morphology and device performance has been systematically studied because the Cs + and Br − ions-doping has proved to be a good choice to improve the stability of PSCs in combination with a carbon electrode. The results showed that when the Cs-doping concentration in perovskite film, MA 1−x Cs x Pb(I 1−y Br y ) 3 , was equal to x = 0.09, there was a substantial change in the morphological and optoelectronic properties of perovskite films. The grain size of perovskite films was improved from 70 nm (x = 0.00 control) to 170 nm (x = 0.09 Cs-doped), reducing grain boundaries. Moreover, the trap states were additionally passivated resulting in improved radiative recombinations in the perovskite film. The device fabrication was carried out in a controlled dry glovebox, with relative humidity < 40% using carbon as a counter electrode. As a result, Cs-doped PSCs showed a significant increase in efficiency (5.27%) compared to control PSCs (1.55%).

Suggested Citation

  • Tanzeela Yousaf & Nadia Shahzad & Abdul Sattar & Muhammad Ali Tariq & Naveed Hussain & Zuhair S. Khan & Sofia Javed & Muhammad Imran Shahzad & Diego Pugliese, 2023. "Performance of Cs-Doped Carbon-Based Perovskite Solar Cells in Ambient Environment," Energies, MDPI, vol. 16(12), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:12:p:4748-:d:1172239
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    References listed on IDEAS

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    1. Naveen Kumar Elumalai & Md Arafat Mahmud & Dian Wang & Ashraf Uddin, 2016. "Perovskite Solar Cells: Progress and Advancements," Energies, MDPI, vol. 9(11), pages 1-20, October.
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