E. A. Zakhidov, Sh. K. Nematov, A. A. Saparbaev, I. I. Tazhibaev, M. A. Zakhidova, A. Y. Turgunboev, B. G. Khidirov
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N-Methyl-2-Pyrrolidone as an Efficiency and Stability Additive for Perovskite Solar Cells
Perovskite solar cells (PSCs) have attracted considerable attention from developers due to their excellent photovoltaic performance. The quality of perovskite films is essential to the performance of such devices, and introducing additives into the precursor solution is an effective way to control film morphology and reduce defect density. In this paper, N-methyl-2-pyrrolidone (NMP) is introduced into the precursor solution as an effective quality additive for perovskite films. Addition of 5% NMP precursor solution to PSCs with a hole transport layer (3,4-ethylenedioxythiophene) of polystyrene sulfonate (PEDOT:PSS) shows the desired characteristics in terms of open circuit voltage (0.91 V), short circuit current density (18.65 mA/cm2), filling factor (almost 77%), energy conversion efficiency (13.04%), and device stability (up to 60 days). These results open new possibilities for the production of commercial perovskite solar cells.
期刊介绍：
Applied Solar Energy is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.
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