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Observation of Extraordinary Vibration Scatterings Induced by Strong Anharmonicity in Lead‐Free Halide Double Perovskites [PDF]
Lead‐free halide double perovskites provide a promising solution for the long‐standing issues of lead‐containing halide perovskites, i.e., the toxicity of Pb and the low stability under ambient conditions and high‐intensity illumination.
Guang Wang +7 more
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Potential lead-free small band gap halide double perovskites Cs2CuMCl6 (M = Sb, Bi) for green technology [PDF]
Explorations of stable lead-free perovskites have currently achieved substantial interest to overcome the instability and avoid toxicity related issue faced with the lead-based perovskites.
Muskan Nabi, Dinesh C. Gupta
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DFT studies of the role of anion variation in physical properties of Cs2NaTlBr6−xClx (x = 0, 1, 2, 3, 4, 5 and 6) mixed halide double perovskites for optoelectronics [PDF]
Halide double perovskites have various benefits over lead-based perovskites due to their suitable optical absorption efficiency, higher stability, tunable bandgap, large carrier mobility, easy availability and low cost.
Mohammed Mehedi Hasan +2 more
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Spin Qubits Candidate in Transition-Metal-Ion doped Halide Double Perovskites [PDF]
Solid-state spin qubits offer a promising route toward scalable quantum technologies. Here we demonstrate that, despites of a nuclear-spin-rich host of halide double perovskites (HDPs), transition-metal centers (Cr3+ and Fe3+ ions) are a good candidate ...
Sakarn Khamkaeo +11 more
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Impact of halide variation on the optoelectronic properties of double perovskites [PDF]
Halide double perovskites of $$A_{2}B(I)B(III)X_{6}$$ (A = Cs, B(I) = Ag, B(III) = Bi, and X = Cl, Br) have gained a lot of attention as an alternative to lead perovskites due to their similar defect tolerance, low toxicity, high stability, high ...
Deepak Choudhary +8 more
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The study of new double perovskites K2AgAsX6 (X = Cl, Br) for energy-based applications
Halide double perovskites are the best alternative to Pb-halide perovskites. These materials play an important role in renewable energy generation. Therefore, we explore the physical properties of K2AgAsX6 (X = Cl, Br) double halide perovskites using ...
Malak Azmat Ali +3 more
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Halide perovskites recently attracted wide attention for light emitting applications. Here, octahedral distortion in halide double perovskites Cs2AgMCl6, induced by the mixture of trivalent M-cations Bi3+, In3+, and Sb3+, gives rise to enhanced white ...
Tamilselvan Appadurai +5 more
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Recent Advancements in Crystalline Pb-Free Halide Double Perovskites
Lead halide perovskites have gained more and more attention because of their ease of synthesis and excellent photoelectric properties including a large absorption coefficient, long carrier lifetime, long carrier diffusion length, and high carrier ...
Muhammad Usman, Qingfeng Yan
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The toxicity of lead ions in halide perovskite absorbing materials is the main bottleneck for practical application. To replace the traditional lead halide perovskites by environmental friendly double perovskite, computational tools based on density ...
Xinyu Ye +6 more
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Despite the progressive enhancement in the flexibility of Pb-based perovskites for optoelectronic applications, regrettably, they are facing two main challenges; (1) instability, which originates from using organic components in the perovskite structure,
Fatemeh Heidari Gourji +1 more
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