Local structural disorder and charge inhomogeneity induced relaxor ferroelectricity in 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>CuCrO</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>

Tripathy, A.; Dey, K.; Sahu, S. R.; Bano, Najnin; Kumar, Vishal; Garg, P.; Singh, Sanjay; Kumar, Vishnu; Zimmermann, Martin v.; Deshpande, U.; Sathe, V. G.; Shukla, D. K.

doi:10.1103/physrevb.109.134206

Phys. Rev. B

2024

DOI: 10.1103/physrevb.109.134206

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Local structural disorder and charge inhomogeneity induced relaxor ferroelectricity in CuCrO2

A. Tripathy,

K. Dey,

S. R. Sahu

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.

show abstract

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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show abstract

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Local structural disorder and charge inhomogeneity induced relaxor ferroelectricity in CuCrO2

Cited by 1 publication

References 67 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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