An ab initio study to investigate the physical properties of CsEuX3 (X=Cl, Br, and I) using different Exchange-Correlation potentials

Al-Reyahi, Anas Y.; Al Azar, Said M.; Saad Essaoud, Saber; Elamin Ketfi, Mohammed; Maghrabi, Mufeed

doi:10.1016/j.rinp.2024.107980

Results in Physics

2024

DOI: 10.1016/j.rinp.2024.107980

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An ab initio study to investigate the physical properties of CsEuX3 (X=Cl, Br, and I) using different Exchange-Correlation potentials

Anas Y. Al-Reyahi,

Said M. Al Azar,

Saber Saad Essaoud

et al.

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Cited by 2 publications

References 63 publications

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Study the electronic, optical, and thermoelectric characteristics of cubic perovskite BXO3 (X = P, As, Sb, Bi): DFT calculations

Al Azar

2024

Results in Physics

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Study the electronic, optical, and thermoelectric characteristics of cubic perovskite BXO3 (X = P, As, Sb, Bi): DFT calculations

Al Azar

2024

Results in Physics

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Environmentally-Friendly Europium-Based Yellow Perovskite Nanocrystals with Near-Unit Efficiency for White LED

Li,

Lei,

et al. 2024

J. Phys. Chem. Lett.

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Recently, Mn 2+ -doped metal halide perovskites (MHPs) have been extensively studied as they can improve the photoluminescence quantum yield (PLQY) with minimal self-absorption. However, almost all of them with high efficiency are Pb/Cd-based toxic heavy metal perovskites, which seriously limits their commercial applications. To address the dual needs of high efficiency and environmental protection, this study proposes to incorporate Mn 2+ into the environmentally friendly perovskite CsEuX 3 (X = Cl/Br), and further increases PLQY to 96.9% through the codoping of Tb 3+ , which, to the best of our knowledge, is the highest reported value of all inorganic environmentally friendly perovskites in the visible light region. It is found that the codoping of Tb 3+ can reduce the host defect density and enhance the crystal field strength around Mn 2+ , acting as an energy transfer bridge. Additionally, Mn 2+ /Tb 3+ -codoped CsEuX 3 -based white lightemitting diodes (WLEDs) with a high color rendering index (Ra = 91.2) demonstrate potential for lighting applications.

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An ab initio study to investigate the physical properties of CsEuX3 (X=Cl, Br, and I) using different Exchange-Correlation potentials

Cited by 2 publications

References 63 publications

Study the electronic, optical, and thermoelectric characteristics of cubic perovskite BXO3 (X = P, As, Sb, Bi): DFT calculations

Study the electronic, optical, and thermoelectric characteristics of cubic perovskite BXO3 (X = P, As, Sb, Bi): DFT calculations

Environmentally-Friendly Europium-Based Yellow Perovskite Nanocrystals with Near-Unit Efficiency for White LED

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