Photovoltaic Properties of Perovskite Solar Cells Laminated with Phosphate-modified Polymer Films

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Published: 2023-07-24

Page: 171-183


Chukwuwendu J. Amaechi *

Department of Physics, Ignatius Ajuru University of Education Rumuolumeni, Rivers State, Nigeria.

Clement N. Ogbonda

Department of Physics, Ignatius Ajuru University of Education Rumuolumeni, Rivers State, Nigeria.

Friday B. Sigalo

Department of Physics, Rivers State University, Port Harcourt, Rivers State, Nigeria.

*Author to whom correspondence should be addressed.


Abstract

This study investigates the possibility of using phosphate-modified polymer films to bind lead in perovskite solar cells. Increasingly, more people are researching perovskite solar cells because of their high efficiency, low cost, and simplicity of manufacture. However, lead (Pb) is one of their key disadvantages due to its toxicity. A variety of phosphate-modified polymer films were created at varying concentrations as the study's first phase. The films were then covered with a perovskite layer and submerged in water for 12 hours. To evaluate the films' chemical characteristics, atomic absorption spectroscopic characterization was then applied. Following the characterization tests, the films were employed to examine the performance of lead amendment in perovskite solar cells. The findings of this study showed that phosphate-modified polymer films are promising candidates for lead amendment in perovskite solar cells because they can capture over 99.9% of Pb leakage without affecting the operation and performance of the cells, which demonstrated a power conversion of 6.0%, 3.2%, 7.0%, and 5.33%, respectively. A UV-vis spectrophotometer was used to analyze the active layers, and the findings revealed good optical performance and a small band gap of 1.7 eV for the perovskite layer and 2.0 eV for the TiO2 layer. The cell numbered 3 made of diammonium phosphate, ethylene vinyl acetate, and perovskite had the greatest performance of all the PSCs created; it had a power conversion efficiency of 7.0%, a Voc of 0.97 V, and an Isc of 2.4 mA. The films also displayed outstanding adhesion to the perovskite solar cells and great thermal stability.

Keywords: Band gap, ethylene vinyl acetate, layer, lead sequestration, optical properties, perovskite, polyvinyl alcohol solar cells


How to Cite

Amaechi , C. J., Ogbonda , C. N., & Sigalo , F. B. (2023). Photovoltaic Properties of Perovskite Solar Cells Laminated with Phosphate-modified Polymer Films. Asian Research Journal of Current Science, 5(1), 171–183. Retrieved from https://globalpresshub.com/index.php/ARJOCS/article/view/1840

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