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Surface Passivation: A Path Forward For Performance Improvement of Perovskite Solar Cells

  • Open or CloseBrijesh Tripathi1* and Shraddha Gupta2

    1Department of Physics, School of Technology, Pandit Deendayal Petroleum University, India

    2Department of Physics, Government Degree College, India

    *Corresponding author: Brijesh Tripathi, Department of Physics, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar-382007, India

Submission: January 22, 2021;Published: February 09, 2021


Recently the power conversion efficiency (PCE) of perovskite solar cells (PSCs) has approached 25.2%. The theoretical Shockley-Queisser limit of power conversion efficiency of such materials with a bandgap of 1.6 eV is 30%. The remaining gap between theoretical limit and experimentally achieved PCE is possibly due to various types of defects distributed at the grain boundaries, surfaces and interfaces in the perovskite material hamper the efficiency improvements in the perovskite solar cells. In order to address surface defects different passivation schemes have been proposed recently. Here in this document, an overview of recent advancements in the knowledge of passivation schemes for PSCs has been summarized.

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