Defect Passivation in Air‐Stable Tin(IV)‐Halide Single Crystal for Emissive Self‐Trapped Excitons
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202108561
Abstract: Tin(IV)‐based metal halides are promising optoelectronic materials due to their robust structure and eco‐friendly nature, but these materials exhibit poor photoluminescence (PL) properties and the underlying mechanisms are still elusive. Here, a novel air‐stable hybrid… read more here.
Keywords: air stable; tin; self trapped; defect passivation ... See more keywords
Integrated Afterglow and Self-Trapped Exciton Emissions in Hybrid Metal Halides for Anticounterfeiting Applications.
Sign Up to like & getrecommendations! Published in 2022 at "Advanced materials"
DOI: 10.1002/adma.202200607
Abstract: Zero-dimensional organic-inorganic hybrid metal halides (0D HMHs) are considered to be promising luminescent emitters. 0D HMHs commonly exhibit self-trapped exciton (STE) emissions originating from inorganic metal halide anion units. Exploring and utilizing the emission features… read more here.
Keywords: anticounterfeiting applications; integrated afterglow; hybrid metal; metal halides ... See more keywords
Light Emission of Self‐Trapped Excitons in Inorganic Metal Halides for Optoelectronic Applications
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202201008
Abstract: Self‐trapped excitons (STEs) have recently attracted tremendous interest due to their broadband emission, high photoluminescence quantum yield, and self‐absorption‐free properties, which enable a large range of optoelectronic applications such as lighting, displays, radiation detection, and… read more here.
Keywords: trapped excitons; self trapped; optoelectronic applications; emission ... See more keywords
Boosting the Self‐Trapped Exciton Emission in Alloyed Cs2(Ag/Na)InCl6 Double Perovskite via Cu+ Doping
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202103724
Abstract: Fundamental understanding of the effect of doping on the optical properties of 3D double perovskites (DPs) especially the dynamics of self‐trapped excitons (STEs) is of vital importance for their optoelectronic applications. Herein, a unique strategy… read more here.
Keywords: emission; emission alloyed; cs2 incl6; via doping ... See more keywords
Correlating Symmetries of Low-Frequency Vibrations and Self-Trapped Excitons in Layered Perovskites for Light Emission with Different Colors.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202106759
Abstract: The soft hybrid organic-inorganic structure of two-dimensional layered perovskites (2DLPs) enables broadband emission at room temperature from a single material, which makes 2DLPs promising sources for solid-state white lighting, yet with low efficiency. The underlying… read more here.
Keywords: self trapped; layered perovskites; emission; correlating symmetries ... See more keywords
Pressure Regulating Self-Trapped States toward Remarkable Emission Enhancement of Zero-Dimensional Lead-Free Halides Nanocrystals.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202300455
Abstract: Copper(I)-based halides have recently attracted increasing attention as a substitute for lead halides, owing to their nontoxicity, abundance, unique structure, and optoelectric properties. However, exploring an effective strategy to further improve their optical activities and… read more here.
Keywords: self trapped; trapped states; emission; pressure ... See more keywords
Self-trapped excitons in two-dimensional perovskites
Sign Up to like & getrecommendations! Published in 2020 at "Frontiers of Optoelectronics"
DOI: 10.1007/s12200-020-1051-x
Abstract: With strong electron-phonon coupling, the self-trapped excitons are usually formed in materials, which leads to the local lattice distortion and localized excitons. The self-trapping strongly depends on the dimensionality of the materials. In the three-dimensional… read more here.
Keywords: self trapping; potential barrier; two dimensional; self trapped ... See more keywords
Boosting triplet self-trapped exciton emission in Te(IV)-doped Cs2SnCl6 perovskite variants
Sign Up to like & getrecommendations! Published in 2020 at "Nano Research"
DOI: 10.1007/s12274-020-3214-x
Abstract: Perovskite variants have attracted wide interest because of the lead-free nature and strong self-trapped exciton (STE) emission. Divalent Sn(II) in CsSnX 3 perovskites is easily oxidized to tetravalent Sn(IV), and the resulted Cs 2 SnCl… read more here.
Keywords: triplet; self trapped; perovskite variants; trapped exciton ... See more keywords
Observation of radiation-induced absorption of self-trapped holes in Ge-doped silica fiber in near infrared range at reduced temperature
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2018.05.023
Abstract: Abstract Short-lived radiation-induced absorption (RIA) of light peaking at wavelengths >1700 nm has been revealed in a γ-irradiated (≤1 kGy) heavily (50 mol% GeO2) Ge-doped silica optical fiber (Ge-doped fiber) at low temperatures (≤−30 °C). This RIA is found… read more here.
Keywords: trapped holes; radiation induced; induced absorption; doped silica ... See more keywords
Stable zero-dimensional cesium indium bromide hollow nanocrystals emitting blue light from self-trapped excitons
Sign Up to like & getrecommendations! Published in 2021 at "Nano Today"
DOI: 10.1016/j.nantod.2021.101153
Abstract: Abstract The growing demand for lighting and displays has motivated intensive research in metal-halide perovskite nanocrystals (NCs) recently. However, the development of blue-emissive perovskite NCs lag behind those of green and red ones severely; moreover,… read more here.
Keywords: self trapped; zero dimensional; dimensional cesium; trapped excitons ... See more keywords
Electron-Phonon Coupling Mediated Self-Trapped-Exciton Emission and Internal Quantum Confinement in Highly Luminescent Zero-Dimensional (Guanidinium)6Mn3X12 (X = Cl and Br).
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c01581
Abstract: We report a large Stokes shift and broad emission band in a Mn-based organic-inorganic hybrid halide, (guanidinium)6Mn3Br12 [GuMBr], consisting of trimeric units of distorted MnBr6 octahedra representing a zero-dimensional compound with a liquid like crystalline… read more here.
Keywords: quantum confinement; self trapped; phonon coupling; emission ... See more keywords