Coupling Localized Laser Writing and Nonlocal Recrystallization in Perovskite Crystals for Reversible Multidimensional Optical Encryption
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202201413
Abstract: The ability to generate and manipulate photoluminescence (PL) with high spatial resolution has been of primary importance for applications in micro‐optoelectronics, while the emerging metal halide perovskites offer novel material platforms where diverse photonic functionalities… read more here.
Keywords: optical encryption; perovskite crystals; laser; encryption ... See more keywords
Engineering Halide Perovskite Crystals through Precursor Chemistry.
Sign Up to like & getrecommendations! Published in 2019 at "Small"
DOI: 10.1002/smll.201903613
Abstract: The composition, crystallinity, morphology, and trap-state density of halide perovskite thin films critically depend on the nature of the precursor solution. A fundamental understanding of the liquid-to-solid transformation mechanism is thus essential to the fabrication… read more here.
Keywords: thin films; halide perovskite; precursor solutions; chemistry ... See more keywords
Direct Growth of Perovskite Crystals on Metallic Electrodes for High-Performance Electronic and Optoelectronic Devices.
Sign Up to like & getrecommendations! Published in 2019 at "Small"
DOI: 10.1002/smll.201906185
Abstract: Metal halide perovskite has attracted enhanced interest for its diverse electronic and optoelectronic applications. However, the fabrication of micro- or nanoscale crystalline perovskite functional devices remains a great challenge due to the fragility, solvent, and… read more here.
Keywords: electronic optoelectronic; optoelectronic devices; high performance; perovskite crystals ... See more keywords
Surface structures and equilibrium shapes of layered 2D Ruddlesden-Popper perovskite crystals from density functional theory calculations
Sign Up to like & getrecommendations! Published in 2021 at "Materials today communications"
DOI: 10.1016/j.mtcomm.2020.101745
Abstract: Abstract The layered organic inorganic lead halide 2D Ruddlesden-Popper perovskite materials, namely, the perovskite crystal of given number of anionic perovskite layers intercalated by bulky or aliphatic organic spacer cations, have drawn increasing attentions in… read more here.
Keywords: popper perovskite; density functional; perovskite crystals; ruddlesden popper ... See more keywords
Effects of thiourea on the perovskite crystallization for fully printable solar cells
Sign Up to like & getrecommendations! Published in 2019 at "Solar Energy Materials and Solar Cells"
DOI: 10.1016/j.solmat.2019.03.045
Abstract: Abstract Fully printable HTL free perovskite solar cells (PSCs) are the most attractive candidates for large scale production, due to their low cost and high stability. In this kind of PSCs, perovskite precursor solutions are… read more here.
Keywords: solar cells; thiourea perovskite; fully printable; perovskite precursor ... See more keywords
Lattice Expansion in Rb-Doped Hybrid Organic-Inorganic Perovskite Crystals Resulting in Smaller Band-Gap and Higher Light-Yield Scintillators.
Sign Up to like & getrecommendations! Published in 2023 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.3c00270
Abstract: Two-dimensional hybrid-organic-inorganic perovskite (2D-HOIP) lead bromide perovskite crystals have demonstrated great potential as scintillators with high light yields and fast decay times while also being low cost with solution-processable materials for wide energy radiation detection.… read more here.
Keywords: inorganic perovskite; perovskite crystals; organic inorganic; light yield ... See more keywords
Fluorinated Oligomer Wrapped Perovskite Crystals for Inverted MAPbI3 Solar Cells with 21% Efficiency and Enhanced Stability.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c06216
Abstract: Defects at the grain boundary provide sites for nonradiative recombination in halide perovskite solar cells (PSCs). Here, by polymerization and fluorination of a Lewis acid of 4,4-bis(4-hydroxyphenyl)pentanoic acid, a fluorinated oligomer (FO-19) is synthesized and… read more here.
Keywords: stability; solar cells; fluorinated oligomer; inverted mapbi3 ... See more keywords
Trap-tuning in afterglow perovskite crystals through alkali metal ion doping.
Sign Up to like & getrecommendations! Published in 2022 at "Chemical communications"
DOI: 10.1039/d2cc03770j
Abstract: Herein, we report a trap-tuning strategy involving alkali metal ions of Li+ and K+, which enabled a fine tuning of afterglow traps at 250 K. Through Li+/K+ doping, a red afterglow from Cs2AgInCl6:Mn was activated… read more here.
Keywords: perovskite crystals; afterglow perovskite; trap tuning; tuning afterglow ... See more keywords
Bright tunable luminescence of Sb3+ doping in zero-dimensional lead-free halide Cs3ZnCl5 perovskite crystals.
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d2dt01243j
Abstract: Lead-free zero-dimensional (0D) perovskite nanocrystals (NCs) with isolated octahedral structures have attracted considerable attention due to their unique photoelectric properties, such as highly efficient emissions with broadband features. A series of phosphors composed of Sb3+-doped… read more here.
Keywords: lead free; sb3; cs3zncl5; perovskite crystals ... See more keywords
Facile synthesis strategy for cesium tin halide perovskite crystals toward light emitting devices and anti-counterfeiting flexible fiber.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d3nr00301a
Abstract: All-inorganic metal halide perovskites are widely studied because of their excellent photoelectric properties. However, due to the toxicity of CsPbX3 (X = Cl, Br, I) perovskites, it is difficult to apply them on a large… read more here.
Keywords: fiber paper; anti counterfeiting; perovskite crystals; halide ... See more keywords
Local Polar Fluctuations in Lead Halide Perovskite Crystals.
Sign Up to like & getrecommendations! Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.118.136001
Abstract: Hybrid lead-halide perovskites have emerged as an excellent class of photovoltaic materials. Recent reports suggest that the organic molecular cation is responsible for local polar fluctuations that inhibit carrier recombination. We combine low-frequency Raman scattering… read more here.
Keywords: polar fluctuations; halide perovskite; fluctuations lead; local polar ... See more keywords