Modeling of optical losses in perovskite solar cells

Taghavi, Mahdi; Houshmand, Mohammad; Zandi, Mohammad Hossein; Gorji, Nima E.

doi:10.1016/j.spmi.2016.06.031

Cited by 37 publications

(16 citation statements)

References 19 publications

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“…On the contrary, the HTL must block the flow of electron but allow the free flow of holes towards the anode, as shown in Figure 1. The effects of variations in the characteristics of the perovskite layer and of the interfaces with the other two layers have been investigated recently through modeling and simulation techniques [5][6][7][8]. In another works, a comparative study using two different transparent conducting oxides such as TiO2 and ZnO as electron transporting materials have been recently researched [9,10].…”

Section: Introductionmentioning

confidence: 99%

Analysis of the power conversion efficiency of perovskite solar cells with different materials as Hole-Transport Layer by numerical simulations

Casas

Cappelletti

Cédola

et al. 2017

Superlattices and Microstructures

105

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In this paper, a theoretical study of different p-p-n perovskite solar cells has been performed by means of computer simulation. Effects of the offset level upon the power conversion efficiency (PCE) of these devices have been researched using five different materials such as spiro-OMeTAD, Cu2O, CuSCN, NiO and CuI, as Hole Transporting Layer (HTL). The Solar Cells Capacitance Simulator (SCAPS)-1D has been the tool used for numerical simulation of these devices. A strong dependence of PCE has been found with the difference between the Maximum of the Valence Band of the HTL and perovskite materials, and with the doping level in p-type perovskite layer. A minimum value of hole mobility in the HTL has been also found, below which the PCE is reduced. Efficiencies in the order of 28% have been obtained for the Cu2O/Perovskite/TiO2 solar cell. Results obtained in this work show the potentiality of this promising technology.

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Section: Introductionmentioning

confidence: 99%

Analysis of the power conversion efficiency of perovskite solar cells with different materials as Hole-Transport Layer by numerical simulations

Casas

Cappelletti

Cédola

et al. 2017

Superlattices and Microstructures

105

View full text Add to dashboard Cite

show abstract

“…This may be due to increase in the carrier diffusion lengths. Also, the generated electron and hole pair cannot reach to the space charge region during their life span and leads to bulk recombination of carriers [21,22]. A thicker layer can absorb more photon as a result higher conversion efficiency is expected with an active layer optimized between 0.2 and 0.4 m for better performance of the solar cell and for higher PCE [23].…”

Section: -3mentioning

confidence: 99%

Studies on Thickness and Internal Quantum Efficiency of Cs2AgBiBr6 Based Double Perovskite Material for Photovoltaic Application

Das¹,

Chakraborty²,

Choudhury³

et al. 2021

J. Nano- Electron. Phys.

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The lead-free double perovskites have recently emerged as promising alternative material for solar cell application. It exhibits encouraging optoelectronic properties, high environmental stability and low toxicity. The double perovskite having two different cations are non-toxic alternatives. The double perovskite Cs2AgBiBr6 has good optical and electronic features. Therefore, it has been used for high-efficiency optoelectronic devices. In this manuscript, we report optimization of active layer thickness of double perovskite Cs2AgBiBr6 for photovoltaic application. For the study, a device FTO/TiO2/Cs2AgBiBr6/Spiro-OMeTAD/Cu was designed. The Solar Cell Capacitance Simulator (SCAPS-1D) was used for one dimensional simulation and analysis. The active layer of 0.1 to 1 m was used for the study and PCE, Voc, Jsc and FF were obtained using simulation. The optimum active layer thickness was found to be between 0.20 m to 0.4 m. The maximum PCE of 3.78 % was found. The solar cell performance can be improvised further by optimizing the defect density of the active layer. Also, the effects of ETL and HTL layer thickness can be further observed for enhancement of PCE. Overall, the encouraging simulation results achieved in this study will provide insightful guidance in replacing commonly used cancerous Pb-based perovskite with eco-friendly, highly efficient inorganic perovskite solar cell.

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“…[43] There are many mechanisms proposed for losses in the lower region, such as higher reflectance losses in the short-wavelength region (due to the refractive index mismatch of air and the fluorinedoped tin oxide [FTO] substrate). [44][45][46] With downconversion (DC) materials, the spectral response improved at lower wavelengths, thereby suggesting good spectral matching. Interestingly, the DC-based devices show better efficiency under continuous illumination compared with control devices.…”

Section: Introductionmentioning

confidence: 99%

Downconversion Materials for Perovskite Solar Cells

et al. 2022

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Perovskite solar cells (PSCs) have made game‐changing progress in the last decade and reached a power conversion efficiency (PCE) of up to 25%. Furthermore, the development of material chemistry, structure design, active layer composition, process engineering, etc. has contributed to improving PSCs’ stability. The significant PCE losses experienced by PSCs are related to spectral mismatch between the incident solar spectra and absorption range of the active layer, which thereby limits the PCE. Besides PSCs’ performance, the photoinduced degradation is also a major concern. Recently, lanthanide (rare‐earth) and nonlanthanide‐based downconversion (DC) materials have been introduced to resolve these spectral mismatch losses as well as reduce the photoinduced degradation. The DC materials improve the photovoltaic performance by converting ultraviolet (UV) light to visible, also providing UV shielding, and thus contribute to increasing the efficiency as well as stability of PSCs. Moreover, the Shockley–Queisser efficiency limit of the solar cell can be crossed with the help of DC materials. In this review, the importance, processing, and the reported DC materials for PSCs are thoroughly discussed. Furthermore, the development of DC materials and their impact on PSCs’ performance and stability, along with their future perspectives, are focused.

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Modeling of optical losses in perovskite solar cells

Cited by 37 publications

References 19 publications

Analysis of the power conversion efficiency of perovskite solar cells with different materials as Hole-Transport Layer by numerical simulations

Analysis of the power conversion efficiency of perovskite solar cells with different materials as Hole-Transport Layer by numerical simulations

Studies on Thickness and Internal Quantum Efficiency of Cs2AgBiBr6 Based Double Perovskite Material for Photovoltaic Application

Downconversion Materials for Perovskite Solar Cells

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