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HomeMaterials Science ForumMaterials Science Forum Vol. 1051Effect of Perovskite CsPbBr3 Concentration and...

Effect of Perovskite CsPbBr₃ Concentration and Coating Method on Thin Film Morphology and its Photovoltaic Performance

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Abstract:

Perovskite CsPbBr₃ has a band gap energy of 2.3 eV which has the potential for solar cell applications. The issue regarding the relationship between the different coating methods and the concentration has not been studied further. Therefore, this study focuses on analyzing the effect of variations in the concentration of CsPbBr₃ 20 mM and 40 mM as well as different coating methods, spin-coating, dip-coating and drop-casting on the morphology of the thin film. The ligand assisted reprecipitation LARP method was used to synthesize CsPbBr₃ using control ligands, octylamine and oleic acid to obtain CsPbBr₃ orthorhombic. Scanning Electron Microscopy (SEM) observations show that increasing the concentration resulted in larger particle size, and the Drop Casting method resulted in a more fully coverage on thin film. Drop Casting and a 40 mM solution produced the highest solar cell efficiency of 1.4 %.

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Advanced Materials Science IV

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Periodical:

Materials Science Forum (Volume 1051)

Pages:

31-37

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1051.31

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Online since:

January 2022

Authors:

Muhammad Afdhel Refialdi*, Fajri Malik Ammrulloh, Farhan Aryo Hutomo, Diah Susanti, Azzah Dyah Pramata, Nur Hanifah

Keywords:

CsPbBr₃, Dip-Coating, Drop Casting, Perovskite Solar Cell, Spin-Coating

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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