Chiral Mesostructured Inorganic Materials with Optical Chiral Response DOI
Yingying Duan, Shunai Che

Advanced Materials, Journal Year: 2022, Volume and Issue: 35(51)

Published: Oct. 17, 2022

Fabricating chiral inorganic materials and revealing their unique quantum confinement‐determined optical responses are crucial tasks in the multidisciplinary fields of chemistry, physics, biology. The field mesostructured started from synthesis individual nanocrystals evolved to include assembly metals, semiconductors, ceramics, salts endowed with various structures ranging atomic micron scales. This tutorial review highlights recent research on materials, especially novel expression chirality response, it may inspire us new strategies for design opportunities beyond traditional applications chirality. Fabrication methods classified according type, scale, symmetry‐breaking mechanism. Special attention is given highlight systems original discoveries, exceptional phenomena, or mechanisms response left‐ right‐handedness.

Language: Английский

Frontiers in circularly polarized luminescence: molecular design, self-assembly, nanomaterials, and applications DOI
Zhongliang Gong, Xuefeng Zhu, Zhonghao Zhou

et al.

Science China Chemistry, Journal Year: 2021, Volume and Issue: 64(12), P. 2060 - 2104

Published: Nov. 10, 2021

Language: Английский

Citations

443
Liquid crystal-templated chiral nanomaterials: from chiral plasmonics to circularly polarized luminescence DOI Creative Commons
Xuan Zhang,

Yiyi Xu,

Cristian Valenzuela

et al.

Light Science & Applications, Journal Year: 2022, Volume and Issue: 11(1)

Published: July 14, 2022

Chiral nanomaterials with intrinsic chirality or spatial asymmetry at the nanoscale are currently in limelight of both fundamental research and diverse important technological applications due to their unprecedented physicochemical characteristics such as intense light-matter interactions, enhanced circular dichroism, strong circularly polarized luminescence. Herein, we provide a comprehensive overview state-of-the-art advances liquid crystal-templated chiral nanomaterials. The chiroptical properties touched, design principles bottom-up synthesis strategies discussed. Different functional based on liquid-crystalline soft templates, including plasmonic luminescent nanomaterials, systematically introduced, underlying mechanisms, properties, potential emphasized. This review concludes perspective emerging applications, challenges, future opportunities fascinating can not only deepen our understanding fundamentals soft-matter chirality, but also shine light development advanced toward versatile optics, biology, catalysis, electronics, beyond.

Language: Английский

Citations

183
Research Progress of Intramolecular π‐Stacked Small Molecules for Device Applications DOI
Shengyi Yang, Yang‐Kun Qu, Liang‐Sheng Liao

et al.

Advanced Materials, Journal Year: 2021, Volume and Issue: 34(22)

Published: Oct. 1, 2021

Abstract Organic semiconductors can be designed and constructed in π‐stacked structures instead of the conventional π‐conjugated structures. Through‐space interaction (TSI) occurs optoelectronic materials. Thus, unlike electronic coupling along conjugated chain, functional groups stack closely to facilitate spatial electron communication. Using motifs, chemists materials scientists find new ways for constructing with aggregation‐induced emission (AIE), thermally activated delayed fluorescence (TADF), circularly polarized luminescence (CPL), room‐temperature phosphorescence (RTP), as well enhanced molecular conductance. devices based on molecules have exhibited very promising performance, some them exceeding analogues. Recently, reports various organic grown rapidly, prompting this review. Representative scaffolds newly developed systems could stimulate more attention through‐space charge transfer well‐known through‐bond transfer. Finally, opportunities challenges utilizing improving particular are discussed. The previous achievements upcoming prospects may provide insights into theory, materials, field semiconductors.

Language: Английский

Citations

149
Circular Polarized Light Emission in Chiral Inorganic Nanomaterials DOI
Shuang Jiang, Nicholas A. Kotov

Advanced Materials, Journal Year: 2022, Volume and Issue: 35(34)

Published: Jan. 13, 2022

Chiral inorganic nanostructures strongly interact with photons changing their polarization state. The resulting circularly polarized light emission (CPLE) has cross-disciplinary importance for a variety of chemical/biological processes and is essential development chiral photonics. However, the effects are often complex interpretation dependent on several structural parameters nanostructure. CPLE in nanostructured media multiple origins optical typically convoluted into single output. Analyzing data obtained nanoclusters, nanoparticles, nanoassemblies, nanocomposites from metals, chalcogenides, perovskite, other nanostructures, it shown here that there distinct groups nanomaterials which dominated either by luminescence (CPL) or scattering (CPS); also many they comparable. following points demonstrated: 1) CPL CPS contributions involve light-matter interactions at different levels; 2) contribution especially strong microparticles, composites; 3) engineering materials requires synergistic implementation effects. These findings expected to guide technological fields, including 3D displays, information storage, biosensors, spintronics, biological probes.

Language: Английский

Citations

126
Circularly polarized luminescence in chiral orientationally ordered soft matter systems DOI Creative Commons
Jiao Liu,

Zhen‐Peng Song,

Luyao Sun

et al.

Deleted Journal, Journal Year: 2023, Volume and Issue: 1(1)

Published: July 23, 2023

Abstract Circularly polarized luminescent (CPL) materials have received significant attention in the field of fundamental science recently. These offer substantial advancement technological applications, such as optical data storage, displays, and quantum communication. Various strategies been proposed self‐assembled consisting inorganic, organic, hybrid systems, particularly chiral orientationally ordered soft matter systems (e.g., liquid crystals (LCs) LC polymers). However, developing scientific approaches to achieve pronounced steerable circularly light emission remains challenging. Herein, we present a comprehensive review on recent development CPL based LCs, including thermotropic LCs (cholesteric bent‐core LCs), lyotropic (nanocellulose polyacetylene‐based polymers LC‐based polymers, helical nanofibers, network). In addition, mechanisms, design principles, potential applications these are systematically reviewed. This summarizes with prospect latent challenges, which can strengthen our understanding basic principles provide new insight into progress several fields, chemistry, science, optics, electronics, biology.

Language: Английский

Citations

105
Double helical π-aggregate nanoarchitectonics for amplified circularly polarized luminescence DOI Creative Commons
Yuan Wang, Dian Niu, Guanghui Ouyang

et al.

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: March 31, 2022

The canonical double helical π-stacked array of base pairs within DNA interior has inspired the interest in supramolecular architectures with advanced electronic, magnetic and optical functions. Here, we report a selective-recognized chirality-matched co-assembly strategy for fabrication fluorescent π-amino acids into π-aggregates, which show exceptional strong circularly polarized luminescence (CPL). single crystal structure optimal combination co-assemblies shows that double-stranded organization these is cooperatively assisted by both CH-π hydrogen-bond arrays chirality match. well-defined spatial arrangement π-chromophores could effectively suppress non-radiative decay pathways facilitate chiral exciton couplings, leading to superior CPL figure merit (g

Language: Английский

Citations

87
Polymer‐Based Circularly Polarized Luminescent Materials DOI
Hai Zhong, Biao Zhao, Jianping Deng

et al.

Advanced Optical Materials, Journal Year: 2023, Volume and Issue: 11(6)

Published: Jan. 19, 2023

Abstract Chiral materials capable of generating circularly polarized luminescence (CPL) have gained rapidly growing research interest by virtue their peculiar photophysical characteristics and far‐reaching applications. Amongst various CPL materials, polymer‐based constituted an important class owing to abundant types, ease manufacture, high thermal stability, as well as, tunable properties. The present work reviews the latest advances in constructing which are classified based on interaction modes between chiral luminescent components, that is, covalent interaction, non‐covalent without interactions. newly emerging categories nonconventional fluorescence‐based room temperature phosphorescence, with thermally activated delayed fluorescence properties also presented. Typical applications emitters organic light‐emitting diodes, information security encryption, optical sensors further discussed. Additionally, current challenges future perspectives this field summarized. This review article is expected stimulate more unprecedented achievements derived from thus promoting practical

Language: Английский

Citations

81
Circularly polarized luminescence of coordination aggregates DOI Creative Commons
Zhong‐Liang Gong,

Zhong‐Qiu Li,

Yu‐Wu Zhong

et al.

Aggregate, Journal Year: 2022, Volume and Issue: 3(5)

Published: Feb. 11, 2022

Abstract The development and applications of materials with efficient circularly polarized luminescence (CPL) have become an interdisciplinary frontier research topic. We summarize herein the recent advance in CPL‐active aggregates based on metal‐ligand coordination (termed as “coordination aggregates”). surveyed are classified small‐molecular metal complexes, which include monocomponent assemblies Pt(II) complexes other binary helicates, polymers, frameworks. efforts improving dissymmetry factors quantum yields these use aggregation strategy enhancing performance isolated molecules discussed. chiral organic light‐emitting diodes (OLEDs) solution‐ or evaporation‐processed procedures surveyed. In addition, uses lanthanide CPL‐contrast imaging CPL probes highlighted. common discussion mechanism aggregation‐enhanced CPLs a perspective future works finally given.

Language: Английский

Citations

76
Regulating Optical Activity and Anisotropic Second-Harmonic Generation in Zero-Dimensional Hybrid Copper Halides DOI
Zhihang Guo, Junzi Li, Jiechun Liang

et al.

Nano Letters, Journal Year: 2022, Volume and Issue: 22(2), P. 846 - 852

Published: Jan. 13, 2022

Structural engineering permits the introduction of chirality into organic–inorganic hybrid metal halides (HMHs), which creates a promising and exclusive material for applications in various optoelectronics. However, optical activity regulation chiral HMHs remains largely unexplored. In this work, we have synthesized two pairs lead-free with zero-dimensional tetrahedral arrangement, i.e., (R- S-1-(1-naphthyl)ethylammonium)2CuCl4 S-1-(2-naphthyl)ethylammonium)2CuCl4. The magnitude these can be efficiently modulated as result different magnetic transition dipole moments. Furthermore, exhibited effective second-harmonic generation (SHG) distinct SHG-circular dichroism (CD), (R-1-(1-naphthyl)ethylammonium)2CuCl4 having an anisotropy factor (gSHG-CD) up to 0.41. This work not only provides insights regulating anisotropic SHG effect but also confirms feasibility SHG-CD spectroscopy tool characterizing intrinsic materials.

Language: Английский

Citations

72
Efficient Narrowband Circularly Polarized Light Emitters Based on 1,4‐B,N‐embedded Rigid Donor–Acceptor Helicenes DOI Creative Commons
Fangyuan Zhang, Florian Rauch, Asim Kumar Swain

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(16)

Published: Feb. 17, 2023

Narrow-band emission is essential for applicable circularly polarized luminescence (CPL) active materials in ultrahigh-definition CP-OLEDs. One of the most promising classes CPL molecules, helicenes, however, typically exhibit broad with a large Stokes shift. We present, herein, design strategy capitalizing on intramolecular donor-acceptor interactions between nitrogen and boron atoms to address this issue. 1,4-B,N-embedded configurationally stable single- double helicenes were synthesized straightforwardly. Both show unprecedentedly narrow fluorescence bands (full width at half maximum 17-28 nm, 0.07-0.13 eV) along high quantum yields (72-85 %). Quantum chemical calculations revealed that relative localization natural transition orbitals, mainly rigid core molecule, small values root-mean-square displacements S0 S1 state geometries, contribute narrower emission.

Language: Английский

Citations

63