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Modeling the time-dependent characteristics of perovskite solar cells

  • We proposed two different time-dependent modeling approaches for variation of device characteristics of perovskite solar cells under stress conditions. The first approach follows Sah-Noyce-Shockley (SNS) model based on Shockley–Read–Hall recombination/generation across the depletion width of pn junction and the second approach is based on thermionic emission model for Schottky diodes. The connecting point of these approaches to time variation is the time-dependent defect generation in depletion width (W) of the junction. We have fitted the two models with experimental data reported in the literature to perovskite solar cell and found out that each model has a superior explanation for degradation of device metrics e.g. current density and efficiency by time under stress conditions. Nevertheless, the Sah-Noyce-Shockley model is more reliable than thermionic emission at least for solar cells.

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Document Type:Preprint
Author:Postdoc Amir MosaviORCiD, Professor Iman Moeini, Prof Mohammad Ahmadpour, Prof Naif Alharbi, Prof Nima E. Gorji
DOI (Cite-Link):https://doi.org/10.25643/bauhaus-universitaet.3757Cite-Link
URN (Cite-Link):https://nbn-resolving.org/urn:nbn:de:gbv:wim2-20180907-37573Cite-Link
Date of Publication (online):2018/08/05
Date of first Publication:2018/08/02
Release Date:2018/09/07
Publishing Institution:Bauhaus-Universität Weimar
Institutes:Fakultät Bauingenieurwesen / Professur Modellierung und Simulation - Mechanik
Tag:Defect generation; Modeling; Perovskite; Solar; Solar cells; Time-dependent
GND Keyword:Solarzelle
Dewey Decimal Classification:500 Naturwissenschaften und Mathematik / 530 Physik
BKL-Classification:33 Physik
Licence (German):License Logo Creative Commons 4.0 - Namensnennung (CC BY 4.0)
Published in final form at https://doi.org/10.1016/j.solener.2018.05.082.