Photoswitchable coordination cages

Nature Chemistry, Journal Year: 2024, Volume and Issue: 16(1), P. 13 - 21

Published: Jan. 1, 2024

Language: Английский

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Traffic Lights for Catalysis: Stimuli‐Responsive Molecular and Extended Catalytic Systems

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(29)

Published: March 30, 2023

Abstract The advances made in the field of stimuli‐responsive catalysis during last five years with a focus on novel recently‐emerged directions and applications have been surveyed. Metal‐free catalysts organometallic complexes, as well biomimetic systems extended structures, which display switchable catalytic activity for variety organic transformations, are discussed. Light‐activated comprised photochromic molecules capable modulating reaction rate, yield, or enantioselectivity based geometric electronic changes associated photoisomerization detailed discussion. Alternative stimuli, including pH temperature, could be applied either alone combination light, also addressed. Recent clearly demonstrate that capability to finely tune catalyst behavior via an external stimulus is powerful tool alter landscape sustainable chemistry.

Language: Английский

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Optical Phenomena in Molecule-Based Magnetic Materials

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(9), P. 5930 - 6050

Published: April 30, 2024

Since the last century, we have witnessed development of molecular magnetism which deals with magnetic materials based on species, i.e., organic radicals and metal complexes. Among them, broadest attention was devoted to molecule-based ferro-/ferrimagnets, spin transition materials, including those exploring electron transfer, nanomagnets, such as single-molecule magnets (SMMs), qubits, stimuli-responsive materials. Their physical properties open application horizons in sensors, data storage, spintronics, quantum computation. It found that various optical phenomena, thermochromism, photoswitching characteristics, luminescence, nonlinear chiroptical effects, well responsivity external stimuli, can be implemented into Moreover, fruitful interactions these effects provide new cross-effects multifunctionality, enriching applications optical, electronic, devices. This Review aims show scope phenomena generated recent advances areas high-temperature photomagnetism, thermometry utilizing SMMs, addressability magneto-chiral dichroism, opto-magneto-electric multifunctionality. These findings are discussed context types accessible for classes

Language: Английский

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The Second Laser Revolution in Chemistry: Emerging Laser Technologies for Precise Fabrication of Multifunctional Nanomaterials and Nanostructures

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(40)

Published: July 26, 2024

Abstract The use of photons to directly or indirectly drive chemical reactions has revolutionized the field nanomaterial synthesis resulting in appearance new sustainable laser chemistry methods for manufacturing micro‐ and nanostructures. incident radiation triggers a complex interplay between physical processes at interface solid surface liquid gas environment. In such multi‐parameter system, precise control over nanostructures is not possible without deep understanding both environment‐affected processes. present review intends provide detailed systematization these surveying well‐established emerging technologies production advanced nanomaterials. Both gases liquids are considered as potential reacting environments affecting fabrication process, while subtractive additive analyzed. Finally, prospects applications discussed.

Language: Английский

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Photoswitchable imines: aryliminopyrazoles quantitatively convert to long-lived Z-isomers with visible light

Chemical Science, Journal Year: 2024, Volume and Issue: 15(11), P. 3872 - 3878

Published: Jan. 1, 2024

Simple structural modifications significantly boost the photochromic performance of imine-based photoswitches. This work lays a foundation for exploring new motifs in light-addressable dynamic combinatorial chemistry.

Language: Английский

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Multifunctionality of luminescent molecular nanomagnets based on lanthanide complexes

Chemical Communications, Journal Year: 2023, Volume and Issue: 59(40), P. 5961 - 5986

Published: Jan. 1, 2023

Multifunctional materials, which exhibit diverse physical properties, are candidates for the new generation of smart devices that realize many tasks simultaneously. Particular attention is given to single-phase multifunctional materials offer effects induced by coupling between introduced properties. Complexes lanthanide(3+) ions an attractive source multifunctionality since they combine luminescent functionalities related their f-f or d-f electronic transitions with magnetic anisotropy originates from spin-orbit and crystal-field effects. The resulting single-molecule magnets (SMMs) link area functional luminophores, applicable in light-emitting diodes sensing, field molecular magnets, high-density data storage, additional advantages, e.g., fruitful magneto-optical correlations switching emission a field. It was recently shown lanthanide SMMs can provide richly expanded towards sensitivity solvent exchange, temperature, light, as well electrical such super-ionic conductivity ferroelectricity, non-centrosymmetricity- chirality-related effects, second-harmonic circularly polarized luminescence. Here, we discuss pioneering reports on use SMMs, emphasis our contribution relying functionalization 4f metal complexes through insertion into heterometallic coordination compounds.

Language: Английский

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Cooperative and Orthogonal Switching in the Solid State Enabled by Metal‐Organic Framework Confinement Leading to a Thermo‐Photochromic Platform

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(37)

Published: July 24, 2023

Cooperative behavior and orthogonal responses of two classes coordinatively integrated photochromic molecules towards distinct external stimuli were demonstrated on the first example a photo-thermo-responsive hierarchical platform. Synergetic to temperature excitation wavelength are achieved by confining stimuli-responsive moieties within metal-organic framework (MOF), leading preparation novel spiropyran-diarylethene based material. Synergistic photoswitches enables study resonance energy transfer as well control photoinduced charge processes, milestones required advance optoelectronics development. Spectroscopic studies in combination with theoretical modeling revealed nonlinear effect material electronic structure arising from coordinative integration photoresponsive photoisomerization mechanisms. Thus, reported work covers multivariable facets not only fundamental aspects photoswitch cooperativity, but also provides pathway modulate photophysics electronics multidimensional functional materials exhibiting thermo-photochromism.

Language: Английский

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Macrocyclic ligand-driven ion selectivity and high surface area in a 2D conductive MOF

Chem, Journal Year: 2023, Volume and Issue: 10(1), P. 199 - 210

Published: Sept. 22, 2023

Language: Английский

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Maximizing the Potential of Electrically Conductive MOFs

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

Published: Jan. 31, 2024

ConspectusElectrically conductive metal–organic frameworks (EC-MOFs) have emerged as a compelling class of materials, drawing increasing attention due to their unique properties facilitating charge transport within porous structures. The synergy between electrical conductivity and porosity has opened wide range applications, including electrocatalysis, energy storage, chemiresistive sensing, electronic devices that been underexplored for insulating counterparts. Despite these promising prospects, prevalent challenge arises from the predominant adoption two-dimensional (2D) structures by most EC-MOFs. These 2D often show modest surface areas short interlayer distances, hindering molecular accessibility, which deviates inherent characteristics conventional MOFs. Furthermore, quest efficient imposes design constraints, leading restricted selection functional building blocks. Additionally, there is lack established functionalization methods EC-MOFs, limiting diversity. Thus, challenges impeded EC-MOFs reaching full potential.In this Account, we summarize discuss our group's efforts aimed at enhancing accessibility deploying diversity Our focus on involves several strategies. First, employed macrocyclic ligands with intrinsic pockets blocks integrated in supplement additional pores enhance accessibility. resulting ligand-based exhibit exceptionally high confer advantages electrochemical performances. Second, extend addressing structural limitations, frequently associated EC-MOFs' Through pillar insertion strategy, transformed EC-MOF platform into three-dimensional (3D) structure, thereby achieving higher enhanced In pursuing diversity, delved molecular-level tuning We demonstrated electron-rich alkyne-based can host transition metals alkali ions, enabling ion selectivity showcasing diverse use utilized postsynthetic approach further functionalize metal nodes level an framework, introducing proton-conducting pathway while preserving its conductivity.We aspire Account provide practical insights strategies surmount limitations realm By integrating functionality, endeavor propel utility materials will inspire rational development future unlock potential.

Language: Английский

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Investigating the Properties of Triangle Terthiophene and Triphenylamine Configured Propeller-like Photochromic Dye with Ethyne Bridge

Journal of Fluorescence, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 10, 2024

Language: Английский

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