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Advancing optoelectronics: Exploring the superior performance of lead-free halide perovskites
PUBLISHED June 03, 2024 (DOI: https://doi.org/10.54985/peeref.2406p7326033)
NOT PEER REVIEWED
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Authors
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Hamza Kerrai1 , Ahmed Zaim1 , Mohamed Kerouad1
- Physics of Materials and Systems Modeling Laboratory, Moulay Ismail University, Faculty of Science
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Conference / event
- New publishing opportunities with the Peeref International Poster Challenger: Summer 2024, July 2024 (Virtual)
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Poster summary
- In our study, we thoroughly examined the structural, electronic, and optical properties of halide double perovskites 𝐂𝐬𝟐AgSb(Cl,Br)𝟔 using density functional theory. The band structure analysis revealed that C𝐬𝟐AgSbCl𝟔 and 𝐂𝐬𝟐AgSb𝐁𝐫𝟔 possess semiconducting indirect band gaps of 1.64 eV and 2.44 eV, respectively. Furthermore, an investigation of the optical properties based on the complex dielectric function demonstrated that both compounds exhibit very high absorption coefficients in the order of 10^5 𝑐𝑚^(−1) in the visible and UV regions. These results highlight the adaptability of these materials, indicating their potential for optoelectronic devices.
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Keywords
- DFT, Optical properties, Halide double perovskites, Absorption coefficients
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Research areas
- Material Sciences, Physics
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References
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- Wan Deng, et al., Appl. Phys. Lett. 111 (2017) 151602.
- Fengxia Wei, et al., Cheetham, Chem. Commun. 55 (2019) 3721–3724.
- W. Smit, G. Dirksen, D. Stufkens, J. Phys. Chem. Solid 51 (1990) 189–196.
- G. Ding, G. Gao, K. Yao, Sci. Rep. 5 (2015) 9567.
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Funding
- No data provided
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Supplemental files
- No data provided
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Additional information
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- Competing interests
- No competing interests were disclosed.
- Data availability statement
- The datasets generated during and / or analyzed during the current study are available from the corresponding author on reasonable request.
- Creative Commons license
- Copyright © 2024 Kerrai et al. This is an open access work distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Kerrai, H., Zaim, A., Kerouad, M. Advancing optoelectronics: Exploring the superior performance of lead-free halide perovskites [not peer reviewed]. Peeref 2024 (poster).
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