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Article
Optics
Kai Han et al.
Summary: A design method is established by considering charge-transfer and recombination efficiencies in doped MHPs materials, improving the luminescence performance of MHP scintillators. Alloying Te4+ into Cs2ZrCl6 significantly enhances scintillation performance, including increased light yield and detection limit, as well as high-resolution X-ray imaging capabilities.
LASER & PHOTONICS REVIEWS
(2023)
Article
Chemistry, Multidisciplinary
He Liu et al.
Summary: Zero-dimensional (0D) organic metal halide hybrids (OMHHs) are a new class of light emitting materials with exceptional color tunability. However, their application as emitters for electrically driven light emitting diodes (LEDs) is challenging due to the low conductivity of wide bandgap organic cations. In this study, a new OMHH, triphenyl(9-phenyl-9H-carbazol-3-yl) phosphonium antimony bromide (TPPcarzSbBr(4)), is developed as an efficient emitter for LEDs. Red LEDs fabricated with TPPcarzSbBr(4) thin films as the light emitting layer exhibit the highest reported external quantum efficiency (EQE), peak luminance, and current efficiency among 0D OMHH-based electroluminescence devices.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Tianxin Bai et al.
Summary: Double perovskites (DPs) are promising candidates for white light-emitting diodes (WLEDs) due to their intrinsic broadband emission. In this study, a series of highly luminescent one-dimensional DP-inspired materials were synthesized using a fluorinated organic cation, and efficient warm-white photoluminescence was achieved. By doping a small amount of antimony ion, lead-free metal-halide WLEDs with superior performance were fabricated.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Materials Science, Multidisciplinary
Yang Guo et al.
Summary: This study investigates thermo-responsive luminescence in doped Cs2ZnCl4 crystals. The thermal elevation of the orbital state of dopant ions leads to a blueshift of self-trapped exciton (STE) emissions. By examining doped Cs2ZnCl4 crystals, the polyhedral distortion and its effect on luminescence properties are quantitatively addressed. Dual emissions in Sb3+/Mn2+ co-doped Cs2ZnCl4 with distinct luminescence responses to thermal stimuli are synthesized, enabling a new tactic for tunable thermochromic luminescence.
MATERIALS TODAY PHYSICS
(2023)
Article
Engineering, Electrical & Electronic
Tao Huang et al.
Summary: In this study, a series of Sb3+-doped one-dimensional (TDMP)CdCl4 powder crystals were prepared, and it was found that the 1D quantum confinement effect and Jahn-Teller distortion in this organic-inorganic hybrid generate strong electron-phonon coupling. Additionally, a fast energy transfer process between the host and the dopant was observed. The synergy of these factors enables efficient broadband yellow emission with high photoluminescence quantum yield.
ACS APPLIED ELECTRONIC MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Matteo L. Zaffalon et al.
Summary: The search for efficient scintillators has turned to antimony-based halides that exhibit largely Stokes shifted luminescence due to radiative recombination of excitons self-trapped in strongly Jahn-Teller distorted Sb3+ color centers. A hybrid structure of (C13H14N3)(3)SbCl6, consisting of isolated [SbCl6](3-) octahedra separated by organic N,N'-diphenylguanidinium (Gua) molecules, is synthesized. This material shows a pronounced Stokes shift and high photoluminescence (PL) efficiency, as well as efficient radioluminescence (RL) with scintillation light yields.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Shangwei Feng et al.
Summary: New types of zero-dimensional perovskites with blue room-temperature phosphorescence were obtained and found to be highly sensitive to external light and force stimuli. The quantum yield of blue phosphorescence was enhanced and high-efficiency white phosphorescence was achieved by introducing Sb3+. This work overcomes the challenges of low quantum yield and short lifetime of blue phosphorescence, providing a feasible method for achieving high-efficiency white phosphorescence.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Materials Science, Multidisciplinary
Jun-Hua Wei et al.
Summary: Zero-dimensional metal halide perovskites, especially those with the ns(2) electronic configuration, are of great interest for their high-temperature sensitive photoluminescence properties. Te4+ doped Cs2InCl5·H2O single crystals exhibit a strong temperature-dependent photoluminescence lifetime, showing potential advantages for remote optical thermometry (ROT) applications. The strong phonon-exciton coupling and specific sensitivity at 320K demonstrate the promising prospects of indium-based metal halide perovskites in ROT applications.
SCIENCE CHINA-MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
Xianfu Meng et al.
Summary: Metal halide perovskites, especially all-inorganic perovskites, have wide applications in the optoelectronic field. Sb3+-doped RbCdCl3 material with efficient luminescence and temperature sensitivity was synthesized and studied in this work. The research expands the knowledge of efficient luminescent inorganic materials for further applications.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Physical
Jiance Jin et al.
Summary: This study doped Sb3+ into an inorganic non-emissive material and achieved bright green emission. Through a comparison of Raman spectra and Debye temperature, the mechanism of lattice softening caused by Sb3+ doping was elucidated. The results of this study demonstrate that efficient emission of metal halides can be triggered by Sb3+ doping.
CHEMISTRY OF MATERIALS
(2022)
Article
Chemistry, Physical
Yarui Dai et al.
Summary: Metal halide perovskites, especially the layered two-dimensional materials, have attracted extensive attention due to their excellent optoelectronic properties. In this study, a 2D Ruddlesden-Popper phase Cs3Cd2Cl7 was synthesized by a solvothermal method, and the photoluminescence quantum yields (PLQYs) were significantly enhanced through appropriate Sb doping. The highly efficient cyan emission can be attributed to the self-trapped exciton (STE) emission induced by strong electron-phonon coupling, and Sb-doped Cs3Cd2Cl7 exhibits excellent structural and spectral stability.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Chemistry, Physical
Mengyan Cao et al.
Summary: In this work, stable Sb3+ and Bi3+ codoped Cs2ZrCl6 microcrystals were prepared on a large scale for highly efficient white light emission using ionic liquids. The dual emissions originate from the associated self-trapped excitons of the [SbCl6](3-) and [BiCl6](3-) octahedra. The method allows for facile synthesis of large batches of microcrystalline powders and shows potential for future applications in the lighting field.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Materials Science, Multidisciplinary
Anran Zhang et al.
Summary: Metal halide nanocrystals with multiple emission centers were designed by using 0D Cs4PbCl6, which showed tunable photoluminescence excited at specific energies. The emission colors can be easily adjusted by modulating the excitation wavelength, and white-light emission was achieved under a specific excitation.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Bohan Li et al.
Summary: This study reports two new OD organic-inorganic hybrid Sb-based halides with reversible structural phase transformation and tunable emissions. The color of emissions can be changed by dehydration and rehydration, and a glassy material with near-infrared luminescence can be formed by heat treatment.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Bo Zhou et al.
Summary: Sb3+ doping in all-inorganic metal-halide perovskites enables highly efficient and color-diverse broadband light emission. The study reveals the origin of this emission and distinguishes various fluorescence components using a lifetime mapping method. The presence of free-exciton emission and self-trapped states is also identified.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Review
Chemistry, Multidisciplinary
Ji-Song Yao et al.
Summary: Metal halides are promising luminescent materials for efficient light emission, with the modulation of basic structural units offering a solution to current challenges, inspiring new design approaches for solid-state lighting devices.
ACCOUNTS OF CHEMICAL RESEARCH
(2021)
Article
Chemistry, Multidisciplinary
Yu Zhang et al.
Summary: Layered double perovskites (LDPs) have shown strong exciton-phonon coupling and soft lattice, making them promising candidates for solid-state lighting applications. By synthesizing two 2D derivatives with excellent self-trapped exciton (STE) emissions, (PEA)(4)NaInCl8:Sb and (PEA)(2)CsNaInCl7:Sb, the photoluminescence quantum efficiency (PLQE) reached 48.7% and 29.3% respectively, surpassing current known LDPs. The broadband emissions originate from trapped STEs at the introduced [SbCl6](3-) octahedron, as indicated by spectroscopic characterizations and first-principles calculations.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Bing Chen et al.
Summary: This study investigates the double luminescence phenomenon in Sb3+-doped Cs2ZrCl6 perovskite crystals, demonstrating the independent charging processes of host self-trapped excitons and dopant-induced extrinsic self-trapped excitons, with minimal interactions between the two in the zero-dimensional crystal lattice. Dynamic color tuning in Cs2ZrCl6:Sb3+ crystals is achieved through selective excitation of different self-trapped excitons, offering exciting opportunities for constructing multicolor light-emitting devices and encrypting multilevel optical codes.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Review
Chemistry, Multidisciplinary
Siqi Sun et al.
Summary: 0D perovskites have drawn considerable attention for their unique properties derived from isolated metal halide octahedra or clusters. This review comprehensively analyzes their crystal and electronic structure, as well as properties like large bandgaps, high exciton binding energy, and broad emission spectra from self-trapped excitons with large Stokes shifts. Additionally, synthetic methods and emerging applications in LEDs, solar cells, and detectors are discussed, providing an outlook for future research.
Article
Chemistry, Physical
Yue Wu et al.
Summary: Doping of photoactive metal ions effectively modulates the photophysical properties of perovskite, leading to enhanced emission peak and red-shifted emission. The reversible luminescent vapochromism of the material was investigated, and a potential application as a DMF sensor with stable and producible luminescent changes was demonstrated.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2021)
Article
Chemistry, Multidisciplinary
Binbin Su et al.
Summary: The study presents a novel method to achieve high-efficiency broadband NIR emission in metal halide systems by incorporating Sb3+ into the Cs2ZnCl4 matrix. It successfully demonstrates the development of a lead-free metal halide Cs2ZnCl4:Sb3+ as a NIR light source, with the potential for red-shifting emission peaks through halide substitution.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Engineering, Environmental
Zhongyuan Li et al.
Summary: A straightforward synthesis of lead-free perovskite derivative emitting orange light has been presented, with excellent performance demonstrated in wLEDs, showcasing potential for low-cost, eco-friendly, and high-performance phosphors in future lighting and display technologies.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Shufang Wu et al.
JOURNAL OF MATERIALS CHEMISTRY C
(2020)
Article
Chemistry, Physical
Shunran Li et al.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2019)
Article
Chemistry, Physical
Yuyu Jing et al.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2019)
Article
Chemistry, Multidisciplinary
Ruiling Zhang et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2019)
Article
Engineering, Electrical & Electronic
Jinghui Li et al.
FRONTIERS OF OPTOELECTRONICS
(2019)
Article
Chemistry, Multidisciplinary
Zhifang Tan et al.
ADVANCED FUNCTIONAL MATERIALS
(2018)
Review
Chemistry, Multidisciplinary
Zejiao Shi et al.
ADVANCED MATERIALS
(2017)
