Results 21 to 30 of about 23,096 (291)
Strong Electron–Phonon Coupling Induced Self‐Trapped Excitons in Double Halide Perovskites
Advanced Energy & Sustainability Research, 2023 Double halide perovskites exhibit impressive potential for the self‐trapped exciton (STEs) luminescence. However, the detailed mechanism of the physical nature during the formation process of STEs in double perovskites is still ambiguous.
Baian Chen, Rui Chen, Bolong Huang
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Halide Double-Perovskite Semiconductors beyond Photovoltaics
ACS Energy Letters, 2022 Halide double perovskites, A2MIMIIIX6, offer a vast chemical space for obtaining unexplored materials with exciting properties for a wide range of applications. The photovoltaic performance of halide double perovskites has been limited due to the large and/or indirect bandgap of the presently known materials.
Loreta A. Muscarella, Eline M. Hutter
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Molecules, 2021 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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Multiferroic Compounds with Double-Perovskite Structures [PDF]
Materials, 2011 New multiferroic compounds with double-perovskite structures were synthesized. Bi2NiMnO6 was synthesized in bulk form by high-pressure synthesis and also in a thin-film form by epitaxial growth. The material showed both ferromagnetic and ferroelectric properties, i.e., the multiferroic property at low temperature.
Shimakawa, Yuichi +2 more
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Communications Materials, 2021 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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Optical Materials: X, 2021 The Duffy's model is reformulated for Sb3+ and Bi3+ in cubic chloro- and bromo-elpasolites with « 0D » perovskite structure. The new equation allows calculating the energy of the first s2 → s1p1 electron transition from crystal structure data. The Stokes
Philippe Boutinaud
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Orbital ordering and magnetic structures in $\LMFO$ and $\LWFO$ double perovskites [PDF]
, 2004 We analyzed the possible magnetic and orbital orderings of double perovskites, using a simple extension of the double exchange model well suited for these compounds. Orbital ordering is favored by the on site repulsion at the Fe ions.
Guinea, F., Taraphder, A.
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Machine learning for perovskite materials design and discovery
npj Computational Materials, 2021 The development of materials is one of the driving forces to accelerate modern scientific progress and technological innovation. Machine learning (ML) technology is rapidly developed in many fields and opening blueprints for the discovery and rational ...
Qiuling Tao +3 more
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Impacts of cation ordering on bandgap dispersion of double perovskites
APL Materials, 2018 Double perovskites using dual metal cations are promising candidates for Pb-free perovskites. This study shows that the electronic structures of double perovskites (A2B+B3+X6) can be significantly modulated by cation ordering changes.
Jongseob Kim +5 more
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Lead-free perovskite solar cells, what's next?
Next Energy, 2023 Although lead halide perovskite solar cells (PSCs) have achieved an efficiency of 25.7 %, the highly toxic composition, element lead, will hinder the use of PSCs in indoor photovoltaics, building-integrated photovoltaics and wearable devices.
Xinhui Luo, Xiao Liu, Liyuan Han
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