Simulating the thickness effect of the graphene oxide layer in CsPbBr3- based solar cells | Zendy

Masood Mehrabian | Zendy; Elham Norouzi Afshar | Zendy; Sonya Asl Yousefzadeh | Zendy

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Simulating the thickness effect of the graphene oxide layer in CsPbBr₃- based solar cells

Author(s) -

Masood Mehrabian,

Elham Norouzi Afshar,

Sonya Asl Yousefzadeh

Publication year - 2021

Publication title -

materials research express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.383

H-Index - 35

ISSN - 2053-1591

DOI - 10.1088/2053-1591/abf080

Subject(s) - materials science , graphene , photovoltaic system , energy conversion efficiency , optoelectronics , oxide , perovskite (structure) , layer (electronics) , quantum efficiency , perovskite solar cell , solar cell , nanotechnology , chemical engineering , electrical engineering , metallurgy , engineering

Perovskite-based inverted structure of solar cells with TiO 2 , graphene oxide (GO), and TiO 2 -GO photo-anodes were analyzed by SCAPS profile. The photovoltaic performance showed that GO produces the maximum power conversion efficiency of 10.34% under illumination. Quantum efficiency, carrier generation, recombination and concentrations through layers of devices were investigated. Then, the impact of GO thickness on photovoltaic characteristics was investigated to optimize the GO thickness. By optimizing the thickness of the GO layer, the efficiency of the device improved from 10.34% to 10.91% in the thickness of 40 nm. These simulation results could provide guidelines to fabricate higher efficiency solar cells.

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