Elucidating the Structure and Photophysics of Layered Perovskites through Cation Fluorination
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202001647
Abstract: Optoelectronic devices based on layered perovskites containing fluorinated cations display a well‐documented improved stability and enhanced performance over non‐fluorinated cations. The effect of fluorination on the crystal structure and photophysics, however, has received limited attention… read more here.
Keywords: fluorination; photophysics layered; cation; structure photophysics ... See more keywords
Critical Role of Organic Spacers for Bright 2D Layered Perovskites Light‐Emitting Diodes
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Science"
DOI: 10.1002/advs.201903202
Abstract: Abstract Light‐emitting diodes (LEDs) made with quasi‐2D/3D and layered perovskites have undergone an unprecedented surge as their external quantum efficiency (EQE) is rapidly approaching other lighting technologies. Manipulating the charge recombination pathway in semiconductors is… read more here.
Keywords: layered perovskites; critical role; emitting diodes; light emitting ... 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
Structural and electrochemical characterization of YBa(Fe,Co,Cu)2O5+δ layered perovskites as cathode materials for solid oxide fuel cells
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2021.01.141
Abstract: Abstract Single- and double-doped YBa(Fe,Co,Cu)2O5+δ layered perovskites are prepared by solid state reaction method and their structural characteristics, thermal expansion coefficient, oxygen nonstoichiometry, electrical conductivity, and electrochemical performance are comparatively studied. The substitution of Co… read more here.
Keywords: structural electrochemical; 2o5 layered; yba 2o5; electrochemical characterization ... See more keywords
Electronic structure, magnetism and thermoelectricity in layered perovskites: Sr 2 SnMnO 6 and Sr 2 SnFeO 6
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2017.05.058
Abstract: Abstract Layered structures especially perovskites have titanic potential for novel device applications and thanks to the multifunctional properties displayed in these materials. We forecast and justify the robust spin-polarized ferromagnetism in half-metallic Sr 2 SnFeO… read more here.
Keywords: layered perovskites; magnetism; electronic structure; magnetism thermoelectricity ... See more keywords
Reduction of Ln2Ti2O7 Layered Perovskites: A Survey of the Anionic Lattice, Electronic Features, and Potentials
Sign Up to like & getrecommendations! Published in 2017 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.6b03808
Abstract: The reduction of the layered perovskites Ln2Ti2O7 (LnTO, with lanthanide Ln = La, Pr, or Nd) was studied with the aim of shifting the ultraviolet (UV) photocalytic activity for water splitting in the visible range… read more here.
Keywords: reduction; layered perovskites; perovskites survey; reduction ln2ti2o7 ... See more keywords
Theory and Neutrons Combine To Reveal a Family of Layered Perovskites without Inversion Symmetry
Sign Up to like & getrecommendations! Published in 2017 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.7b03604
Abstract: A flurry of recent theoretical studies have predicted the existence of new polar materials among several families of layered perovskites, including the double-layered Dion–Jacobson phases. These predictions have opened up exciting new opportunities for both… read more here.
Keywords: dion jacobson; layered perovskites; chemistry; jacobson phases ... See more keywords
Synergistic Influence of d0 (Nb5+) and d10 (Cd2+) Cations in Stabilizing Noncentrosymmetric Dion-Jacobson Layered Perovskites, A'Cd2Nb3O10 (A' = Rb, Cs).
Sign Up to like & getrecommendations! Published in 2020 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.0c00291
Abstract: New Dion-Jacobson (n = 3) layered perovskites, A'Cd2Nb3O10 (A' = Rb, Cs), have been synthesized by a solid-state method. Powder X-ray diffraction measurements confirm the noncentrosymmetric orthorhombic (space group Ima2) structures for both rubidium- and… read more here.
Keywords: jacobson layered; dion jacobson; layered perovskites; perovskites cd2nb3o10 ... See more keywords
Inkjet-Printed Organohalide 2D Layered Perovskites for High-Speed Photodetectors on Flexible Polyimide Substrates.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b21053
Abstract: The synthesis of solution-processed two-dimensional (2D) layered organohalide (CH3(CH2)3NH3)2(CH3NH3)n-1PbnI3n+1 (n = 2, 3, and 4) perovskites is presented, where inkjet printing was used to fabricate heterostructure flexible photodetector (PD) devices on polyimide (PI) substrates. Inks… read more here.
Keywords: layered perovskites; inkjet printed; perovskites high; organohalide layered ... See more keywords
Suppressed Ion Migration along the In-Plane Direction in Layered Perovskites
Sign Up to like & getrecommendations! Published in 2018 at "ACS energy letters"
DOI: 10.1021/acsenergylett.8b00047
Abstract: Ion migration in a three-dimensional (3D) perovskite is the source of many unique phenomena such as photocurrent hysteresis and a giant switchable photovoltaic effect and can also accelerate the degradation of perovskite-based electronic devices. Here… read more here.
Keywords: ion migration; layered perovskites; migration along; suppressed ion ... See more keywords
Enhanced Photocatalytic Properties of Restacked Unilamellar [SrTa2O7]2– Nanosheets of Aurivillius Phase Layered Perovskites
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.3c00593
Abstract: In the present work, unilamellar [SrTa2O7]2– perovskite nanosheets with variable lateral dimensions were synthesized via a high-yield, three-step liquid exfoliation route from layered Bi2SrTa2O9. The photocatalytic activity of the parent and exfoliated layered perovskites was… read more here.
Keywords: restacked unilamellar; srta2o7 perovskite; layered perovskites; srta2o7 nanosheets ... See more keywords