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Solhtalab N, Ahmadi V, Abdollahi nejand B. Effect of Cs as an Additive on Hysteresis Reduction in Perovskite Solar Cell. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :593-596
URL: http://opsi.ir/article-1-1549-en.html
URL: http://opsi.ir/article-1-1549-en.html
1- School of Electrical and Computer Engineering, Tarbiat Modares University, Tehran-Iran
Abstract: (2688 Views)
Despite the high efficiency of the perovskite solar cells and the ease of their fabrication process, the presence of hysteresis is still known as an important challenge of the perovskite solar cells. In this study, it is shown that this undesirable phenomenon can be considerably mitigated by adding Cs to the structure of CH3NH3PbI3. Although the exact reason of the hysteresis is still unknown, in this work, it is ascribed to the smaller radius of ionic migration of Cs, in comparison to organic cations such as CH3NH3 and improving the trap levels of perovskite.
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