Asymmetric optical waveguide in one‐dimensional organic microplate DOI Creative Commons
Ziyi Yuan,

Xiu‐Fen Cheng,

Zejian Li

et al.

Deleted Journal, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 4, 2025

Abstract Chiral organic materials have garnered significant interest in nanophononics due to their ability manipulate polarized light and encode optical information. Herein, chiral one‐dimensional (1D) microplates based on benzocyclazine form homochiral crystals that exhibit excellent waveguiding properties. These exhibited highly asymmetric propagation depends the handedness of circularly (CPL). demonstrated selective transmission, with R ‐microplate favouring left‐handed CPL S right‐handed CPL, showcasing distinct loss coefficients for each enantiomer. Multichannel was observed, where intensity varied excitation position. results highlight potential 1D advanced nanophotonic devices, offering chiral‐dependent control over transmission future applications information processing.

Language: Английский

A flexible ligand and halogen engineering enable one phosphor-based full-color persistent luminescence in hybrid perovskitoids DOI Creative Commons
Guowei Xiao, Yu‐Juan Ma, Zhenhong Qi

et al.

Chemical Science, Journal Year: 2024, Volume and Issue: 15(10), P. 3625 - 3632

Published: Jan. 1, 2024

Color-tunable room temperature phosphorescent (RTP) materials have raised wide interest due to their potential application in the fields of encryption and anti-counterfeiting. Herein, a series CdX

Language: Английский

Citations

48
Integrating Full‐Color 2D Optical Waveguide and Heterojunction Engineering in Halide Microsheets for Multichannel Photonic Logical Gates DOI Creative Commons

Xing Chang,

Bo Zhou, Dongpeng Yan

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(17)

Published: Feb. 29, 2024

Ensuring information security has emerged as a paramount concern in contemporary human society. Substantial advancements this regard can be achieved by leveraging photonic signals the primary carriers, utilizing logical gates capable of wavelength tunability across various time and spatial domains. However, challenge remains rational design materials possessing space-time-color multiple-resolution capabilities. In work, facile approach is proposed for crafting metal-organic halides (MOHs) that offer resolution. These MOHs integrate time-resolved room temperature phosphorescence color-resolved excitation dependencies with both space-resolved ex situ optical waveguides heterojunctions. Capitalizing on these multifaceted properties, MOHs-based two-dimensional (2D) heterojunctions exhibit ability to tune full-color emissions spectra from blue red, operating within different temporal scales. Therefore, work introduces an effective methodology engineering resolved MOH microstructures, holding significant promise development high-density devices.

Language: Английский

Citations

47
Organic–Inorganic Hybrid Glasses of Atomically Precise Nanoclusters DOI Creative Commons
Chunwei Dong, Xin Song, Bashir E. Hasanov

et al.

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(11), P. 7373 - 7385

Published: March 4, 2024

Organic–inorganic atomically precise nanoclusters provide indispensable building blocks for establishing structure–property links in hybrid condensed matter. However, robust glasses of ligand-protected nanocluster solids have yet to be demonstrated. Herein, we show [Cu4I4(PR3)4] cubane coordinated by phosphine ligands (PR3) form melt-quenched air with reversible crystal–liquid–glass transitions. Protective critically influence the glass formation mechanism, modulating glasses' physical properties. A utilizing ethyldiphenylphosphine-based nanoclusters, [Cu4I4(PPh2Et)4], exhibits superb optical properties, including >90% transmission both visible and near-infrared wavelengths, negligible self-absorption, near-unity quantum yield, high light yield. Experimental theoretical analyses demonstrate structural integrity [Cu4I4(PPh2Et)4] nanocluster, i.e., iodine-bridged tetranuclear cubane, has been fully preserved state. The strong internanocluster CH−π interactions found subsequently reduced vibration account its enhanced luminescence Moreover, this highly transparent enables performant X-ray imaging low-loss waveguiding fibers drawn above transition. discovery "nanocluster glass" opens avenues unraveling mechanisms designing novel luminescent well-defined advanced photonics.

Language: Английский

Citations

34
Enabling robust blue circularly polarized organic afterglow through self-confining isolated chiral chromophore DOI Creative Commons
Mingjian Zeng, Wei‐Guang Wang, Shuman Zhang

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: April 9, 2024

Abstract Creating circularly polarized organic afterglow system with elevated triplet energy levels, suppressed non-radiative transitions, and effective chirality, which are three critical prerequisites for achieving blue afterglow, has posed a formidable challenge. Herein, straightforward approach is unveiled to attain materials by covalently self-confining isolated chiral chromophore within polymer matrix. The formation of robust hydrogen bonds the matrix confers distinctly stabilized molecular state chromophores, endowing emission band at 414 nm, lifetime 3.0 s, luminescent dissymmetry factor ~ 10 −2 . Utilizing synergistic chirality transfer, full-color systems endowed doping colorful fluorescent molecules into designed polymers, empowering versatile applications. This work paves way streamlined design materials, expanding horizons various domains.

Language: Английский

Citations

31
Encapsulation engineering of porous crystalline frameworks for delayed luminescence and circularly polarized luminescence DOI

Xiaoyan Lu,

Kun Zhang,

Xinkai Niu

et al.

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(13), P. 6694 - 6734

Published: Jan. 1, 2024

Delayed luminescence (DF), including phosphorescence and thermally activated delayed fluorescence (TADF), circularly polarized (CPL) exhibit common broad application prospects in optoelectronic displays, biological imaging, encryption. Thus, the combination of is attracting increasing attention. The encapsulation guest emitters various host matrices to form host-guest systems has been demonstrated be an appealing strategy further enhance and/or modulate their luminescence. Compared with conventional liquid crystals, polymers, supramolecular matrices, porous crystalline frameworks (PCFs) metal-organic (MOFs), covalent-organic (COFs), zeolites hydrogen-bonded organic (HOFs) can not only overcome shortcomings such as flexibility disorder but also achieve ordered guests long-term stability chiral structures, providing new promising platforms for development DF CPL. In this review, we provide a comprehensive critical summary recent progress photochemistry

Language: Английский

Citations

31
Supramolecular assembly activated single-molecule phosphorescence resonance energy transfer for near-infrared targeted cell imaging DOI Creative Commons
Xiaolu Zhou, Xue Bai, Fangjian Shang

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: June 5, 2024

Abstract Pure organic phosphorescence resonance energy transfer is a research hotspot. Herein, single-molecule system with large Stokes shift of 367 nm and near-infrared emission constructed by guest molecule alkyl-bridged methoxy-tetraphenylethylene-phenylpyridines derivative, cucurbit[n]uril ( n = 7, 8) β -cyclodextrin modified hyaluronic acid. The high binding affinity cucurbituril to molecules in various stoichiometric ratios not only regulates the topological morphology supramolecular assembly but also induces different emissions. Varying from spherical nanoparticles nanorods for binary assemblies, three-dimensional nanoplate obtained ternary co-assembly cucurbit[7]uril/cucurbit[8]uril, accompanying enhanced at 540 nm. Uncommonly, secondary acid activates single intramolecular process derived phenyl pyridines unit methoxy-tetraphenylethylene function group, enabling delayed fluorescence 700 nm, which ultimately applied mitochondrial targeted imaging cancer cells.

Language: Английский

Citations

28
Multiphase Transformation in Hybrid Copper(I)-Based Halides Enable Improved X-ray Scintillation and Real-Time Imaging DOI
Bohan Li, Jiance Jin, Xia Liu

et al.

ACS Materials Letters, Journal Year: 2024, Volume and Issue: 6(4), P. 1542 - 1548

Published: March 19, 2024

Crystal-glass phase transformation and glass recrystallization in zero-dimensional (0D) hybrid metal halides make them thriving X-ray scintillators with the advantages of large-area fabrication improved performance. Herein, we report three 0D copper(I) composed identical organic cations versatile self-assembly copper-iodide anions find that volumes inorganic groups are related to their lattice energies, which conformationally governed thermodynamics formation through destabilization. A subsequent heating counterparts allows bulk glass-ceramic via recrystallization, exhibiting outstanding scintillation performances (with a light yield 64 000 ph MeV–1 detection limit 72.6 nGy s–1) high stability for real-time imaging (spatial resolution above 20 lp mm–1). This multiphase strategy luminescence halide opens an exploratory way structural design engineering scintillator screens imaging.

Language: Английский

Citations

24
Stimuli‐Responsive Emission from Hybrid Metal Halides DOI

Kunjie Liu,

Ke Liu, Shiqiang Hao

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(17)

Published: Jan. 7, 2024

Abstract Stimuli‐responsive photoluminescent (PL) materials have attracted considerable attention in recent years owing to their potential applications anti‐counterfeiting, information encryption, and sensing. Further investigations of the transformation mechanism stimulus‐responsive PL are considerably important. In current study, an organic–inorganic metal halide, C 9 H 15 N 3 SbCl 5 ([C 13 ] 2+ is a 1‐(2‐pyridyl) piperazine cation) obtained, which exhibits 0D structure with P‐ 1 space group. At room temperature, when excited by UV light, single crystals exhibit unimodal blue light emission at 405 nm, grinding or hydrostatic pressure induces double‐peak emissions 650 nm. Interestingly, double‐emission samples can be restored single‐emission short annealing storage air for 2 weeks, this process reversible. Luminescence response mechanical stimuli also achieved presence hydrochloric acid water. Spectral analysis microstructural changes revealed that structural modifications inorganic group play pivotal role stimulus. Finally, composite film device based on prepared demonstrate these smart anti‐counterfeiting sensing applications.

Language: Английский

Citations

21
Nylons with Highly-Bright and Ultralong Organic Room-Temperature Phosphorescence DOI Creative Commons

Dian‐Xue Ma,

Zhong‐Qiu Li, Kun Tang

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: May 23, 2024

Abstract Endowing the widely-used synthetic polymer nylon with high-performance organic room-temperature phosphorescence would produce advanced materials a great potential for applications in daily life and industry. One key to achieving this goal is find suitable luminophore that can access triplet excited state aid of matrix by controlling matrix-luminophore interaction. Herein we report highly-efficient nylons doping cyano-substituted benzimidazole derivatives into 6 matrix. These homogeneously doped show ultralong lifetimes up 1.5 s high quantum efficiency 48.3% at same time. The synergistic effect homogeneous dopant distribution via hydrogen bonding interaction, rigid environment polymer, energy transfer between luminophores important phosphorescence, as supported combined experimental theoretical results control compounds various polymeric matrices. One-dimensional optical fibers are prepared from these transport both blue fluorescent green afterglow photonic signals across millimeter distance without significant attenuation. phosphorescent dual information encryption rewritable recording illustrated.

Language: Английский

Citations

21
Emerging 0D Hybrid Metal Halide Luminescent Glasses DOI
Bohan Li,

Yuzhen Wang,

Yan Xu

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 2, 2025

0D hybrid metal halide (HMH) luminescent glasses have garnered significant attentions for its chemical diversity in optoelectronic applications and it also retains the skeleton connectivity coordination mode of crystalline counterparts while exhibiting various physics/chemistry characteristics distinct from states. However, understanding glass-forming ability specific structural origins underpinning properties HMH remains elusive. In this review, is started solid-liquid phase transition thermodynamic analysis HMHs formed through melt-quenching, summarize current compounds capable stably forming glassy phases via design. The characterization methods are further discussed highlight exceptional transparency, properties, glass crystallization behaviors. Moreover, application prospects demonstrated by these been presented accordingly X-ray detection imaging, anti-counterfeiting, information encryption. Finally, perspective offered into future development emerging family their applications.

Language: Английский

Citations

6