Low lead migration 0D Cs4PbBr6 nanocrystal glass with super stability as a new member of the luminous family

Li, Shasha; Yao, Guanpeng; Liu, Guanchen; Nie, Lanjian; Li, Chun; Lin, Hai; Zeng, Fanming; Xiang, Weidong

doi:10.1016/j.jallcom.2022.164058

Cited by 4 publications

(1 citation statement)

References 45 publications

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“…Based on this, Cs 4 PbBr 6 crystals do not exhibit luminescence in the visible region. On the other hand, the authors of [46,51,52] showed by different methods the complete absence of the CsPbBr 3 phase, but the presence of intense luminescence in the green region. Based on these cases, Wang and co-authors [53] even proposed a classification of Cs 4 PbBr 6 crystals into three types, according to the supposed nature of their luminescence (or its absence): P-Cs 4 PbBr 6 (pure nonemissive), D-Cs 4 PbBr 6 (defective emissive), H-Cs 4 PbBr 6 (hybrid with CsPbBr 3 emissive).…”

Section: Discussionmentioning

confidence: 99%

Highly Luminescent Rb-Doped Cs4PbBr6 Nanocrystals in Borogermanate Glass

et al. 2023

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For the first time, the synthesis, luminescent and structural properties of stable perovskite-type (Cs1−xRbx)4PbBr6 (R = Cs, Rb) nanocrystals are shown. In the absence of rubidium, Cs4PbBr6 and CsPbBr3 perovskite crystals precipitate in the ZnO–Na2O–B2O3–GeO2 glass matrix. With ascending rubidium content, the precipitation of (Cs,Rb)4PbBr6 nanocrystals is replaced by the Rb4PbBr6 nanocrystals nucleation. Nucleated nanocrystals exhibit an intense green luminescence. With an increase of the rubidium content, the luminescence maximum shifts to the blue region, the luminescence quantum yield increases from 28 to 51%, and the average decay time increases from 2 to 8 ns. Several assumptions have been made about the nature of the green luminescence of perovskite-like Cs4PbBr6 and (Cs,Rb)4PbBr6 crystals in glasses. It is concluded that the most probable cause is the impurity inclusions of CsPbBr3 and (Cs,Rb)PbBr3 crystals.

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Section: Discussionmentioning

confidence: 99%

Highly Luminescent Rb-Doped Cs4PbBr6 Nanocrystals in Borogermanate Glass

et al. 2023

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Inorganic‐Derived 0D Perovskite Induced Surface Lattice Arrangement for Efficient and Stable All‐Inorganic Perovskite Solar Cells

Heo,

Park,

Lee

et al. 2024

Advanced Materials

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The inverted inorganic CsPbI3 perovskite solar cells (PSCs) are prospective candidates for next‐generation photovoltaics owing to inherent robust thermal/photo‐stability and compatibility for tandems. However, the performance and stability of the inverted CsPbI3 PSCs fall behind the n‐i‐p counterparts due to poor energetic alignment and abundant interfacial defect states. Here, an inorganic 0D Cs4PbBr6 with a good lattice strain arrangement is implemented as the surface anchoring capping layer on CsPbI3. The Cs4PbBr6 perovskite induces enhanced electron‐selective junction and thus facilitates efficient charge extraction and effectively inhibits non‐radiative recombination. Consequently, the CsPbI3 PSCs with Cs4PbBr6 demonstrate the highest power conversion efficiency (PCE) of CsPbI3‐based inverted PSCs, reaching 21.03% PCE from a unit cell and 17.39% PCE from a module with a 64 cm2 aperture area. Furthermore, the resulting devices retain 92.48% after 1000 h under simultaneous 1‐sun and damp heat (85 °C / 85% relative humidity) environment.

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Enhanced luminescence properties and device applications of Tb3+-doped Cs4PbBr6 perovskite quantum dot glass

Liu²,

Lin³

et al. 2023

Ceramics International

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Low lead migration 0D Cs4PbBr6 nanocrystal glass with super stability as a new member of the luminous family

Cited by 4 publications

References 45 publications

Highly Luminescent Rb-Doped Cs4PbBr6 Nanocrystals in Borogermanate Glass

Highly Luminescent Rb-Doped Cs4PbBr6 Nanocrystals in Borogermanate Glass

Inorganic‐Derived 0D Perovskite Induced Surface Lattice Arrangement for Efficient and Stable All‐Inorganic Perovskite Solar Cells

Enhanced luminescence properties and device applications of Tb3+-doped Cs4PbBr6 perovskite quantum dot glass

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