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Article
Chemistry, Multidisciplinary
Linfeng Lan et al.
Summary: This study reports a facile method to prepare cryogenically robust organic crystalline materials that can undergo large, recoverable, and reversible deformation at low temperatures. The materials, formed by combining flexible organic crystals with a polymer coating and a thermally responsive polymer, show linear and reversible responses to temperatures from -15 to -120 degrees C. This approach overcomes the drawbacks of amorphous polymeric materials at low temperatures and provides a cost-effective way to create lightweight devices for low-temperature environments.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Linfeng Lan et al.
Summary: This study reports a new method to induce mechanical response to humidity in organic crystals, allowing for controllable deformation while maintaining physical integrity. By mechanically coupling a humidity-responsive polymer with elastic molecular crystals, a hygroresponsive bilayer element is designed. It can be used to precisely control the position of light output.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Xin Zheng et al.
Summary: This study reports a fluorescent single crystal with optical plastic bending and fluorescence switching properties, attributed to extended pi-conjugation and molecular slippage. The crystal also exhibits high elasticity and reversible fluorescence switching triggered by various stimuli.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Ragaverthini Chinnasamy et al.
Summary: This study reported two polymorphs of a crystal compound, one brittle and one elastically bendable, showing thermosalient responses. The property difference is attributed to differences in crystal packing and intermolecular interactions.
CRYSTAL GROWTH & DESIGN
(2022)
Article
Chemistry, Applied
Xiunan Zhang et al.
Summary: Polymorphic manipulation is used to regulate the fluorescence emission of multi-function crystalline materials, providing an efficient strategy for controlling photophysical properties. The designed compound exhibits two polymorphs with different emission wavelengths, showing selective fluorescence quenching in the presence of Cu2+ ions.
Review
Chemistry, Physical
Yongshen Zheng et al.
Summary: Single-crystal-to-single-crystal (SCSC) phase transition materials undergo direct structural evolutions in response to various external stimuli, allowing for fast and efficient energy conversion processes.
ADVANCED ENERGY MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Dong Yan et al.
Summary: Stimuli-responsive smart materials that can undergo reversible chemical/physical changes are attracting attention in various fields. Crystalline materials, with their well-defined structures and regular molecular arrays, offer the opportunity to create smart materials with improved responsiveness. However, challenges such as decreased processability and mechanical properties need to be addressed for practical applications.
ACCOUNTS OF CHEMICAL RESEARCH
(2022)
Review
Chemistry, Multidisciplinary
Bibhuti Bhusan Rath et al.
Summary: Conducting reactions in the solid state without solvents allows for structural characterization through single-crystal X-ray crystallography. Single-crystal to single-crystal reactions are commonly observed in [2+2] cycloaddition reactions, and the principles of crystal engineering can be applied to achieve desired reactivities and physical properties. Photoreactions in the solid state exhibit regio- and stereospecificity and yield quantitative photoproducts. Dynamic crystals that undergo mechanical responses to light or heat energy have emerged as smart actuating materials.
ACCOUNTS OF CHEMICAL RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Jiawei Lin et al.
Summary: 6-Chloronicotinic acid is a smart crystal that can undergo bending, splitting-to-self-healing, and jumping in response to heat stimulus. Its phase transition process is reproducible and reversible, and it exhibits heterogeneity. By utilizing its phase transition properties, it can generate a significant pushing force and thus serves as a promising actuator material.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Avantika Hasija et al.
Summary: The distinct mechanical properties of concomitant dimorphs (Form alpha and Form beta) of 1,3-bis(4-nitrophenyl) thiourea-DMSO solvate (TU-DMSO) have been investigated and explained via experimental and computational techniques.
CRYSTAL GROWTH & DESIGN
(2022)
Article
Multidisciplinary Sciences
Xuesong Yang et al.
Summary: The authors report a non-destructive approach to remotely bend elastic organic crystals by coupling them with magnetic nanoparticles and controlling their shape using a magnetic field. These crystals are mechanically and chemically robust, and can be flexed repeatedly in a contactless mode.
NATURE COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
Qi Di et al.
Summary: The study proposes the use of organic crystals as mechanically robust and compliant fluorescence-based thermal sensors, which can cover a wide range of temperatures and retain mechanical elasticity. This expands the materials available for optical thermal sensing and offers opportunities for lightweight, organic fluorescence-based thermal sensors in extreme temperature conditions.
NATURE COMMUNICATIONS
(2022)
Review
Engineering, Environmental
Zhiao Zhuo et al.
Summary: The emergence of flexible molecular crystals opens up possibilities for wide-ranging applications, but the relationship between crystal structure and mechanical properties remains to be explored. Weak dispersive interactions play a crucial role in designing mechanically flexible crystals. This perspective summarizes elastic standards, plastic bending mechanisms, characterization methods, and potential development directions.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Multidisciplinary
Avantika Hasija et al.
Summary: This article introduces a polymorphic organic salt that exhibits both thermoresponsive and mechanoresponsive behavior at different temperatures. The study reveals that the single crystalline form of this salt displays reversible phase transformation, shape memory effect, and mechanical flexibility. By conducting experiments and calculations, the research reveals the differences in elastic modulus and resistance to elastic deformation among different forms of the salt.
JOURNAL OF MATERIALS CHEMISTRY C
(2022)
Article
Chemistry, Multidisciplinary
Fei Tong et al.
Summary: This study demonstrates that (Z)-DVAM molecular crystalline microwires can exhibit continuous oscillatory motion when exposed to a combination of ultraviolet and visible light, mimicking the behavior of biological flagella. This is the first example of molecular crystals showing complex oscillatory behavior under continuous irradiation, with rotational frequency depending on light intensity and polarization.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Applied
Jiang Peng et al.
Summary: The study investigates the reversible E-Z isomerization reactions and photomechanical behaviors of photo-reactive acylhydrazone derivatives in crystals. Different shaped crystals exhibit varying properties under light exposure, suggesting potential applications in crystal actuators and position-controllable optical transducers.
Review
Chemistry, Multidisciplinary
Soumyajit Ghosh et al.
Summary: The emergence of elastic bendable crystals with exceptional flexibility has sparked a tremendous interest in the design of mechanically adaptable soft crystalline materials, shifting the focus of crystal engineering from structure design to property design. A molecular-level understanding of mechanical flexibility through crystal engineering approach could assist in designing novel elastic bendable crystals with other unique properties, which has evoked sufficient recent interest in various applications like flexible optoelectronics and semiconductor devices. Advanced techniques for analyzing the structure-properties correlation of elastic crystals have paved the way for significant progress in this emerging research area with the potential to play a decisive role in the future growth of crystal engineering.
CRYSTAL GROWTH & DESIGN
(2021)
Review
Chemistry, Multidisciplinary
Romain Costil et al.
Summary: Molecular photoactuators can control the shape and properties of responsive systems through supramolecular interactions, allowing work to be done at micro- and macroscopic scales. Stereochmical cascades within photoresponsive structures can amplify motion to distant components, offering potential in designing the smallest imaginable machines.
Article
Chemistry, Physical
Bibhuti Bhusan Rath et al.
Summary: As research on stimuli-responsive materials progresses, dynamic crystals are leading the investigation, while studies on the mechanical properties of coordination polymers (CPs) are still in their infancy. The report of one-dimensional CP with unique properties provides a new avenue for designing CPs with multi-stimuli-responsive actuating properties.
CHEMISTRY OF MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Kui Chen et al.
Summary: This study reports an anthracene derivative crystal, 9-anthraldehyde, that responds to mechanical force and light, exhibiting properties such as two-dimensional elastic bending, plastic twisting, and photoinduced bending. The unique properties of the crystal can be attributed to the intermolecular interactions and molecular arrangement types, providing a new perspective on creating stimuli-responsive mono-component crystals with multiple properties.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Review
Chemistry, Multidisciplinary
Amy J. Thompson et al.
Summary: The discovery of molecular single crystals with interesting elastic behaviour has challenged the common perception of crystals as brittle objects. However, there is still a lack of comprehensive understanding of their mechanical properties and some contention regarding the atomic-scale mechanism of elasticity.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Materials Science, Multidisciplinary
Yunhui Hao et al.
Summary: This study reports the fabrication and preparation of polymorphic molecular crystals with multiple stimuli-responsive properties and multiple functionalities. Different polymorphic forms of the crystals exhibit diversity in photoinduced, mechanical and photoluminescence properties, providing a potential strategy for the development of smart materials.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Review
Chemistry, Multidisciplinary
Tomohiro Seki et al.
Summary: Recent interest in functional flexible molecular crystals has the potential to provide unique optoelectronic applications and stimuli-responsive chemistry. The flexible behavior of molecular crystals, such as stress-induced response shape deformation, is another new feature realized by molecular and crystal structure design strategies. These molecular crystals with mechano-responsive properties have potential powerful applications, such as in wearable devices.
Article
Materials Science, Multidisciplinary
Yifu Chen et al.
Summary: This study introduces a novel concept of designing versatile jumping crystals by introducing a component that can easily escape under stimuli, which is more reliable and achievable. A charge transfer complex was constructed to demonstrate various jumping behaviors and reversible switching of luminescence under thermal stimuli, as well as achieving rare dynamic internal conversion between electronic and optical functions in the system. These findings may guide the creation of a new generation of advanced multifunctional jumping crystals.
ACS MATERIALS LETTERS
(2021)
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Durga Prasad Karothu et al.
ADVANCED MATERIALS
(2020)
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Zhuoqun Lu et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
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Lei Mei et al.
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Khushboo Yadava et al.
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Bin Liu et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Review
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Pance Naumov et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2020)
Review
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Sang Kyu Park et al.
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(2020)
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Poonam Gupta et al.
CRYSTAL GROWTH & DESIGN
(2019)
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Ejaz Ahmed et al.
NATURE COMMUNICATIONS
(2019)
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Poonam Gupta et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2018)
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Majid I. Tamboli et al.
CHEMISTRY-A EUROPEAN JOURNAL
(2018)
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Yanqiu Sun et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2018)
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Teodoro Klaser et al.
Review
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Subhankar Saha et al.
ACCOUNTS OF CHEMICAL RESEARCH
(2018)
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JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2016)
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JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2015)
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