Quasi‐2D Perovskite Crystalline Layers for Printable Direct Conversion X‐Ray Imaging
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202106498
Abstract: Polycrystalline perovskite film‐based X‐ray detector is an appealing technology for assembling large scale imager by printing methods. However, thick crystalline layer without trap and solvent residual is challenging to fabricate. Here, the authors report a… read more here.
Keywords: ray; perovskite crystalline; ray imaging; crystalline layers ... See more keywords
Elucidating the Origins of High Preferential Crystal Orientation in Quasi‐2D Perovskite Solar Cells
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202208061
Abstract: Incorporating large organic cations to form 2D and mixed 2D/3D structures significantly increases the stability of perovskite solar cells. However, due to their low electron mobility, aligning the organic sheets to ensure unimpeded charge transport… read more here.
Keywords: origins high; elucidating origins; solar cells; orientation ... See more keywords
Localized Bound Multiexcitons in Engineered Quasi‐2D Perovskites Grains at Room Temperature for Efficient Lasers
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202211591
Abstract: Reducing the excitation threshold to minimize the Joule heating is critical for the realization of perovskite laser diodes. Although bound excitons are promising for low threshold laser, how to generate them at room temperature for… read more here.
Keywords: room temperature; quasi perovskite; room; laser ... See more keywords
Regulation of Quantum Wells Width Distribution in Quasi-2D Perovskite Films for High-Performance Photodetectors.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202301232
Abstract: Dynamic optimization of the quantum-well (QW) width distribution in quasi-two-dimensional (quasi-2D) halide perovskite thin films is an effective approach for tuning the properties of photoelectric devices. Here, we demonstrate that the QWs width distribution in… read more here.
Keywords: distribution quasi; width distribution; distribution; quasi perovskite ... See more keywords
Non-Preheating Processed Quasi-2D Perovskites for Efficient and Stable Solar Cells.
Sign Up to like & getrecommendations! Published in 2020 at "Small"
DOI: 10.1002/smll.201906997
Abstract: Although the hot-casting (HC) technique is prevalent in developing preferred crystal orientation of quasi-2D perovskite films, the difficulty of accurately controlling the thermal homogeneity of substrate is unfavorable for the reproducibility of device fabrication. Herein,… read more here.
Keywords: preheating processed; quasi perovskite; quasi; non preheating ... See more keywords
High Performance Quasi-2D Perovskite Sky-Blue Light-Emitting Diodes Using a Dual-Ligand Strategy.
Sign Up to like & getrecommendations! Published in 2020 at "Small"
DOI: 10.1002/smll.202002940
Abstract: For quasi-2D perovskite light-emitting diodes, the introduction of insulating bulky cation reduces the charge transport property, leading to lowered brightness and increased turn-on voltage. Herein, a dual-ligand strategy is adopted to prepare perovskite films by… read more here.
Keywords: light emitting; ligand strategy; dual ligand; quasi perovskite ... See more keywords
High-Performance Quasi-2D Perovskite Solar Cells with Power Conversion Efficiency Over 20% Fabricated in Humidity-Controlled Ambient Air
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.130949
Abstract: Abstract Quasi-2D perovskite solar cells (PSCs) have attracted extensive attention recently because of their superior stability to moisture, but their power conversion efficiency (PCE) still lags behind that of 3D counterparts. So, it is urgent… read more here.
Keywords: humidity controlled; quasi perovskite; quasi; ambient air ... See more keywords
Enhancing the Performance of Quasi-2D Perovskite Light-Emitting Diodes Using Natural Cyclic Molecules with Distinct Phase Regulation Behaviors.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c23594
Abstract: In this study, two natural small molecules, α-cyclodextrin (α-CD) and β-cyclodextrin (β-CD), are used as additives to improve the performance of quasi-2D PEA2Csn-1PbnBr3n+1 (n = 3, herein) PeLEDs. Both of them are shown to efficiently… read more here.
Keywords: performance quasi; phase regulation; distinct phase; regulation behaviors ... See more keywords
Enhanced Amplified Spontaneous Emission in Quasi-2D Perovskite by Facilitating Energy Transfer.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c07633
Abstract: Despite the superior optoelectronic properties of quasi-two-dimensional (quasi-2D) Ruddlesden-Popper halide perovskites, the inhomogeneous distribution of mixed phases result in inefficient energy transfer and multiple emission peaks. Herein, the insufficient energy funneling process at the high-energy… read more here.
Keywords: quasi perovskite; energy transfer; energy; emission ... See more keywords
Highly bright perovskite light-emitting diodes based on quasi-2D perovskite film through synergetic solvent engineering
Sign Up to like & getrecommendations! Published in 2019 at "RSC Advances"
DOI: 10.1039/c9ra00912d
Abstract: A synergetic solvent engineering approach to improve crystallinity and carrier transport, by optimizing film morphology of the quasi-2D perovskite films. read more here.
Keywords: solvent engineering; film; quasi perovskite; synergetic solvent ... See more keywords
Low-dimensional phase suppression and defect passivation of quasi-2D perovskites for efficient electroluminescence and low-threshold amplified spontaneous emission.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d1nr06549a
Abstract: Quasi-2D metal halide perovskites are promising candidates for light-emitting applications owing to their large exciton binding energy and strong quantum confinement effect. Usually, quasi-2D perovskites are composed of multiple phases with various numbers of layers… read more here.
Keywords: quasi perovskites; emission; phase; perovskite films ... See more keywords