From LaCrO3 towards LaCr0.2Mn0.2Fe0.2Al0.2Ga0.2O3 high-entropy ceramic compound: Crystal structure, dielectric and magnetic properties

Durán, A.; Falconi, R.; Mata, J.; Huerta, L.; González, M.; Reguera, E.; Torres, J.C.

doi:10.1016/j.jeurceramsoc.2024.116927

Journal of the European Ceramic Society

2025

DOI: 10.1016/j.jeurceramsoc.2024.116927

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From LaCrO3 towards LaCr0.2Mn0.2Fe0.2Al0.2Ga0.2O3 high-entropy ceramic compound: Crystal structure, dielectric and magnetic properties

A. Durán,

R. Falconi,

J. Mata

et al.

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Transparent pn junction in CuCrO2/WO3 for enhanced photovoltaic response and stability via high entropy perovskite Ba(Ti0.2Zr0.2Sn0.2Hf0.2Ce0.2)O3 transition layer

Jia,

He,

Wang

et al. 2024

Applied Physics Letters

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A transparent pn junction comprising CuCrO2/Ba(Ti0.2Zr0.2Sn0.2Hf0.2Ce0.2)O3/WO3 was synthesized using a sol-gel-hydrothermal-annealing method. The CuCrO2/BaTiZrSnHfCe/WO3 achieves a transmittance of ∼83%–88%, with photovoltaic enhancement of ∼4.0 × 103-folds compared to the intrinsic device [photovoltaic conversion efficiency (PCE) of ∼1.22%], and it also demonstrates good stability over 5 months. This is mainly attributed to the BaTiZrSnHfCe HEO solid solution. In addition to an appropriate Fermi level/high QY, the BaTiZrSnHfCe HEO, with carrier inducing/injecting/driving by synergism of high entropy lattice distortion and charge compensation, can improve kinetic equilibrium for achieving PCE-transparency while increasing holes via Cu vacancies/interstitial oxygen. Moreover, inorganic CuCrO2, BaTiZrSnHfCe HEO, and WO3 maintain good structural stability, indicating promising applications for CuCrO2/BaTiZrSnHfCe/WO3 in optoelectronic devices.

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Transparent pn junction in CuCrO2/WO3 for enhanced photovoltaic response and stability via high entropy perovskite Ba(Ti0.2Zr0.2Sn0.2Hf0.2Ce0.2)O3 transition layer

Jia,

He,

Wang

et al. 2024

Applied Physics Letters

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From LaCrO3 towards LaCr0.2Mn0.2Fe0.2Al0.2Ga0.2O3 high-entropy ceramic compound: Crystal structure, dielectric and magnetic properties

Cited by 1 publication

References 65 publications

Transparent pn junction in CuCrO2/WO3 for enhanced photovoltaic response and stability via high entropy perovskite Ba(Ti0.2Zr0.2Sn0.2Hf0.2Ce0.2)O3 transition layer

Transparent pn junction in CuCrO2/WO3 for enhanced photovoltaic response and stability via high entropy perovskite Ba(Ti0.2Zr0.2Sn0.2Hf0.2Ce0.2)O3 transition layer

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