Photoluminescent organic crystals and co-crystals

Journal of Materials Chemistry C, Journal Year: 2024, Volume and Issue: 12(27), P. 9888 - 9913

Published: Jan. 1, 2024

This perspective highlights the significance of crystal engineering intervention in design and development applied optical materials.

Language: Английский

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Ethylene control in fruit quality assurance: A material science perspective

Aggregate, Journal Year: 2024, Volume and Issue: 5(5)

Published: April 23, 2024

Abstract The waste of resources associated with fruit decay is rapidly spreading globally, threatening the interests relevant practitioners and health consumer groups, demanding precise solutions. Controlling ripening through ethylene regulation one most important strategies for providing high‐quality fruits. However, current materials still have difficulty realizing their application potential due to high manufacturing costs performance deficiencies. In this review, ethylene‐controlled release based on molecular encapsulation scavengers preservation mechanisms such as oxidation, photodegradation, adsorption are presented. We discuss analyze a wide range in terms mechanism, performance, applicability, sustainability. behavior encapsulating depends form which binds material well environmental factors (humidity temperature). For scavengers, there variety scavenging mechanisms, but they generally require porous carriers. highlight great opportunity designing soft crystalline efficient adsorbent unique structural properties. present including summary practical characteristics deficiencies various materials, establish systematic understanding quality assurance applied regulation, anticipating promising prospect these new materials.

Language: Английский

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Lanthanide Functionalized Hydrogen-bonded Organic Framework Hybrid Materials: Luminescence Responsive Sensing, Intelligent Applications and Biomimetic Design

Accounts of Materials Research, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 9, 2024

Language: Английский

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Latest progress in proton-conducting hydrogen-bonded organic frameworks

Inorganic Chemistry Frontiers, Journal Year: 2023, Volume and Issue: 10(20), P. 5856 - 5884

Published: Jan. 1, 2023

The latest progress of proton-conductive HOFs in terms preparation, structural characteristics, proton conductivity, and proton-conducting mechanism are presented. future trends design ideas also highlighted prospected.

Language: Английский

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Smart‐Responsive HOF Heterostructures with Multiple Spatial‐Resolved Emission Modes toward Photonic Security Platform

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(9)

Published: Oct. 25, 2023

Abstract Luminescent hydrogen‐bonded organic frameworks (HOFs) with the unique dynamics and versatile functional sites hold great potential application in information security, yet most of responsive HOFs focus on single‐component framework restrained emission control, limiting further applications advanced confidential protection. Herein, first smart‐responsive HOF heterostructure multiple spatial‐resolved modes for covert photonic security platform is reported. The heterostructures are prepared by integrating different into a single microwire based hydrogen‐bond‐assisted epitaxial growth method. distinct behaviors permit to simultaneously display thermochromism via transformation acidichromism protonation effect, thus generating modes. dual stimuli‐controlled constitute fingerprint heterostructure, enable establishment barcode convert states, which demonstrate dynamic coding capability enhanced anticounterfeiting label applications. These results offer promising route design function‐oriented smart microdevices toward

Language: Английский

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Robust porous hydrogen-bonded organic frameworks: Synthesis and applications in gas adsorption and separation

Giant, Journal Year: 2023, Volume and Issue: 16, P. 100181 - 100181

Published: Aug. 6, 2023

Being an emerging family of crystalline porous materials, hydrogen-bonded organic frameworks (HOFs) are types ordered supramolecular structures that constructed from linkers (including those with organometallic units) via mainly hydrogen bonds. HOFs have now attracted increasing attention in various fields, owing to their valued features such as mild synthetic condition, convenient purification/recovery processes, high processibility and diverse functionality. Great potentials emerged for the field adsorption separation, especially purification light hydrocarbons crucial petrochemical industry. Their practical applications, however, is limited it rather difficult maintain architectures only through bonds after removing lattice solvent molecules. Several strategies hence been developed solve issue HOF structure fragility, including introduction stronger/different forms intermolecular interactions, adoption monomers rigid backbones, integration appropriate structural interpenetrations, formation cross-linked structures, etc. In this review, common constructing important role each method enhancing stability briefly introduced. Then, application robust gases adsorptions separations carefully summarized, well its mechanism analyzed detail perspective interactions among gas The current challenges future perspectives discussed respect urgent demands performance, which propose a broader vision developing novel functional materials.

Language: Английский

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Tetraphenylethylene‐Based Hydrogen‐Bonded Organic Frameworks (HOFs) with Brilliant Fluorescence

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(52)

Published: Nov. 10, 2023

By synergistically employing four key strategies: (I) introducing tetraphenylethylene groups as the central core unit with aggregation-induced emission (AIE) properties, (II) optimizing π-conjugated length by extending building block branches, (III) incorporating flexible containing ethylenic bonds, and (IV) applying crystal engineering to attain dense stacking mode highly twisty conformation, we successfully synthesized a series of hydrogen-bonded organic frameworks (HOFs) exhibiting exceptional one/two-photon excited fluorescence. Notably, when utilizing fluorescently superior L2, HOF-LIFM-7 HOF-LIFM-8 high quantum yields (QY) 82.1 % 77.1 %, ultrahigh two-photon absorption (TPA) cross-sections 148959.5 GM 123901.1 were achieved. These materials employed in one lysosome-targeting cellular imaging. It is believed that this strategy, combining optimization engineering, holds significant potential for guiding development outstanding fluorescent HOF materials.

Language: Английский

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Bioinspired HOF-based luminescent skin sensor with triple mechanochromism responses for the recognition and collection of human biophysical signals

Materials Horizons, Journal Year: 2023, Volume and Issue: 10(6), P. 2062 - 2074

Published: Jan. 1, 2023

It is promising to develop luminescent force-sensitive bionic skin sensor (FBSS) with multiple mechanochromism (MC) responses for the sensing and collection of human biophysical signals. Herein, four bilayer hydrogen-bonded organic framework (HOF)-based polydimethylsiloxane (PDMS) elastic films (1-4) full-color MC are fabricated by doping various HOF materials (HOF-TJ-1, R, Y, G) into different PDMS layers. 1-4 as FBSSs possess stretched-, bended-, pressed-MC properties. In stretching bending processes, color-switching performances from initial blue red, yellow, green, 4 exhibits an increased emission. Under pressing strain 0-40%, emission strengthened. show ultralow detection limits excellent recyclability 6000, 20 000, 10 000 times, respectively. The mechanisms in stretched, bent, pressed processes investigated depth via finite element simulation. Moreover, three intelligent applications, such finger motion sensing, hand gesture recognition, tactile-enhanced palm information have been well realized based on 1. This work provides facile synthetic method fabricate HOF-based FBSSs, greatly expands types responses, enriches applications FBSS.

Language: Английский

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A fluorescent hydrogen-bonded organic framework for highly selective sensing of mono-nitrophenol isomers in water

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 12(1), P. 153 - 161

Published: Nov. 20, 2023

We designed and realized a water-stable AIE-active HOF (HOF-TPE-CN) with notably enhanced fluorescence emission for achieving highly sensitive selective sensing of mono-nitrophenols in water.

Language: Английский

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Ln-HOF Nanofiber Organogels with Time-Resolved Luminescence for Programmable and Reliable Encryption

Nano Letters, Journal Year: 2023, Volume and Issue: 23(24), P. 11916 - 11924

Published: Dec. 6, 2023

Developing tunable luminescent materials for high throughput information storage is highly desired following the explosive growth of global data. Although considerable success has been achieved, achieving programmable encryption remains challenging due to current signal crosstalk problems. Here, we developed long-lived room-temperature phosphorescent organogels enabled by lanthanum-coordinated hydrogen-bonded organic framework nanofibers time-resolved programming. Via modulating coassembled lanthanum concentration and Förster resonance energy transfer efficiency, lifetimes are prolonged facilely manipulated (20–644 ms), realizing encoding space enlargement multichannel data outputs. The aggregated strong interfacial supramolecular bonding endows with excellent mechanical toughness (36.16 MJ m–2) self-healing properties (95.7%), synergistically photostability (97.6% lifetime retention in 10000 fatigue cycles) via suppressing nonradiative decays. This work presents a lifetime-gated strategy lanthanum-coordination regulation that promisingly breaks through limitations responsive materials, opening unprecedented avenues high-level protection.

Language: Английский

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