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Thai LD, Fanelli J, Munaweera R, O'Mara ML, Barner-Kowollik C, Mutlu H. Main-chain Macromolecular Hydrazone Photoswitches. Angew Chem Int Ed Engl 2024; 63:e202315887. [PMID: 37988197 DOI: 10.1002/anie.202315887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 11/23/2023]
Abstract
Hydrazones-consisting of a dynamic imine bond and an acidic NH proton-have recently emerged as versatile photoswitches underpinned by their ability to form thermally bistable isomers, (Z) and (E), respectively. Herein, we introduce two photoresponsive homopolymers containing structurally different hydrazones as main-chain repeating units, synthesized via head-to-tail Acyclic Diene METathesis (ADMET) polymerization. Their key difference lies in the hydrazone design, specifically the location of the aliphatic arm connecting the rotor of the hydrazone photoswitch to the aliphatic polymer backbone. Critically, we demonstrate that their main photoresponsive property, i.e., their hydrodynamic volume, changes in opposite directions upon photoisomerization (λ=410 nm) in dilute solution. Further, the polymers-independent of the design of the individual hydrazone monomer-feature a photoswitchable glass transition temperature (Tg ) by close to 10 °C. The herein established design strategy allows to photochemically manipulate macromolecular properties by simple structural changes.
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Affiliation(s)
- Linh Duy Thai
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Julian Fanelli
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
- Soft Matter Synthesis Laboratory, Institute for Biological Interfaces 3, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Rangika Munaweera
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland (UQ), 4067, St Lucia, QLD, Australia
| | - Megan L O'Mara
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland (UQ), 4067, St Lucia, QLD, Australia
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Hatice Mutlu
- Institut de Science des Matériaux de Mulhouse (IS2M), UMR 7361 CNRS/, Université de Haute Alsace (UHA), 15 rue Jean Starcky, 68057, Mulhouse Cedex, France
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2
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Facile Synthesis of Light-Switchable Polymers with Diazocine Units in the Main Chain. Polymers (Basel) 2023; 15:polym15051306. [PMID: 36904547 PMCID: PMC10007058 DOI: 10.3390/polym15051306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/26/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
Unlike azobenzene, the photoisomerization behavior of its ethylene-bridged derivative, diazocine, has hardly been explored in synthetic polymers. In this communication, linear photoresponsive poly(thioether)s containing diazocine moieties in the polymer backbone with different spacer lengths are reported. They were synthesized in thiol-ene polyadditions between a diazocine diacrylate and 1,6-hexanedithiol. The diazocine units could be reversibly photoswitched between the (Z)- and (E)-configurations with light at 405 nm and 525 nm, respectively. Based on the chemical structure of the diazocine diacrylates, the resulting polymer chains differed in their thermal relaxation kinetics and molecular weights (7.4 vs. 43 kDa) but maintained a clearly visible photoswitchability in the solid state. Gel permeation chromatography (GPC) measurements indicated a hydrodynamic size expansion of the individual polymer coils as a result of the Z→E pincer-like diazocine switching motion on a molecular scale. Our work establishes diazocine as an elongating actuator that can be used in macromolecular systems and smart materials.
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Rohmer M, Freudenberg J, Binder WH. Secondary Structures in Synthetic Poly(Amino Acids): Homo- and Copolymers of Poly(Aib), Poly(Glu), and Poly(Asp). Macromol Biosci 2022; 23:e2200344. [PMID: 36377468 DOI: 10.1002/mabi.202200344] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 11/02/2022] [Indexed: 11/16/2022]
Abstract
The secondary structure of poly(amino acids) is an excellent tool for controlling and understanding the functionality and properties of proteins. In this perspective article the secondary structures of the homopolymers of oligo- and poly-glutamic acid (Glu), aspartic acid (Asp), and α-aminoisobutyric acid (Aib) are discussed. Information on external and internal factors, such as the nature of side groups, interactions with solvents and interactions between chains is reviewed. A special focus is directed on the folding in hybrid-polymers consisting of oligo(amino acids) and synthetic polymers. Being part of the SFB TRR 102 "Polymers under multiple constraints: restricted and controlled molecular order and mobility" this overview is embedded into the cross section of protein fibrillation and supramolecular polymers. As polymer- and amino acid folding is an important step for the utilization and design of future biomolecules these principles guide to a deeper understanding of amyloid fibrillation.
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Affiliation(s)
- Matthias Rohmer
- Macromolecular Chemistry, Von-Danckelmann-Platz 4, 06120, Halle, Germany
| | - Jan Freudenberg
- Macromolecular Chemistry, Von-Danckelmann-Platz 4, 06120, Halle, Germany
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Sun H, Chen S, Li X, Leng Y, Zhou X, Du J. Lateral growth of cylinders. Nat Commun 2022; 13:2170. [PMID: 35449206 PMCID: PMC9023456 DOI: 10.1038/s41467-022-29863-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 04/04/2022] [Indexed: 12/12/2022] Open
Abstract
The precise control of the shape, size and microstructure of nanomaterials is of high interest in chemistry and material sciences. However, living lateral growth of cylinders is still very challenging. Herein, we propose a crystallization-driven fusion-induced particle assembly (CD-FIPA) strategy to prepare cylinders with growing diameters by the controlled fusion of spherical micelles self-assembled from an amphiphilic homopolymer. The spherical micelles are heated upon glass transition temperature (Tg) to break the metastable state to induce the aggregation and fusion of the amorphous micelles to form crystalline cylinders. With the addition of extra spherical micelles, these micelles can attach onto and fuse with the cylinders, showing the living character of the lateral growth of cylinders. Computer simulations and mathematical calculations are preformed to reveal the total energy changes of the nanostructures during the self-assembly and CD-FIPA process. Overall, we demonstrated a CD-FIPA concept for preparing cylinders with growing diameters.
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Affiliation(s)
- Hui Sun
- State Key Laboratory of High-Efficiency Coal Utilization and Green Chemical Engineering, Ningxia University, 750021, Yinchuan, China.
| | - Shuai Chen
- Department of Gynaecology and Obstetrics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, 200434, Shanghai, China.,Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, 201804, Shanghai, China
| | - Xiao Li
- State Key Laboratory of High-Efficiency Coal Utilization and Green Chemical Engineering, Ningxia University, 750021, Yinchuan, China
| | - Ying Leng
- State Key Laboratory of High-Efficiency Coal Utilization and Green Chemical Engineering, Ningxia University, 750021, Yinchuan, China
| | - Xiaoyan Zhou
- State Key Laboratory of High-Efficiency Coal Utilization and Green Chemical Engineering, Ningxia University, 750021, Yinchuan, China
| | - Jianzhong Du
- Department of Gynaecology and Obstetrics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, 200434, Shanghai, China. .,Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, 201804, Shanghai, China.
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5
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Yang S, Harris JD, Lambai A, Jeliazkov LL, Mohanty G, Zeng H, Priimagi A, Aprahamian I. Multistage Reversible Tg Photomodulation and Hardening of Hydrazone-Containing Polymers. J Am Chem Soc 2021; 143:16348-16353. [PMID: 34590854 DOI: 10.1021/jacs.1c07504] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The glass transition temperature (Tg) of a series of polyacrylate- and polymethacrylate-based polymers having bistable hydrazone photoswitches as pendants increases upon photoisomerization. The ensuing photohardening of the polymeric network was corroborated using nanoindentation measurements. The bistability of the switch allowed us to lock-in and sustain multiple Tg values in the same polymeric material as a function of the hydrazone switch's Z/E isomer ratio, even at elevated temperatures.
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Affiliation(s)
- Sirun Yang
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Jared D Harris
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Aloshious Lambai
- Faculty of Engineering and Natural Sciences, Tampere University, Korkeakoulunkatu 10, Tampere, 33720 Finland
| | - Laura L Jeliazkov
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Gaurav Mohanty
- Faculty of Engineering and Natural Sciences, Tampere University, Korkeakoulunkatu 10, Tampere, 33720 Finland
| | - Hao Zeng
- Faculty of Engineering and Natural Sciences, Tampere University, Korkeakoulunkatu 10, Tampere, 33720 Finland
| | - Arri Priimagi
- Faculty of Engineering and Natural Sciences, Tampere University, Korkeakoulunkatu 10, Tampere, 33720 Finland
| | - Ivan Aprahamian
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
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El-Mahalawy AM, Abdou MM, Wassel AR. Structural, spectroscopic and electrical investigations of novel organic thin films bearing push-pull azo - Phenol dye for UV photodetection applications. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 248:119243. [PMID: 33310615 DOI: 10.1016/j.saa.2020.119243] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 11/04/2020] [Accepted: 11/14/2020] [Indexed: 06/12/2023]
Abstract
In the current study, novel thin films of a phenol-based push-pull azo dye, 2-acetyl-4-(4-chloro-phenylazo) phenol (ACAP), with tunable optical and electronic properties were designed, synthesized and characterized for UV photodetection applications. The crystalline structure and morphological features of the thermally evaporated ACAP thin films are investigated. The fabricated thin films exhibit an amorphous-like structure with low-intensity crystalline regions of average crystallite size of about 29.51 nm and a smooth surface with nanostructured sheets formation. The optical transmittance, reflectance, and absorption of ACAP thin films are measured in the spectral range UV-vis-NIR. A significant high UV absorption extending from 190 nm to 385 nm is observed with semi-transparency nature in the visible region. Furthermore, a good agreement is obtained between the estimated value of the direct energy gap that is obtained experimentally (3.62 eV) and that calculated from the theoretical DFT approach (3.74 eV). The dispersion behavior is analyzed in terms of the single oscillator model and is employed to estimate the dispersion parameters. Finally, an organic/inorganic heterojunction device based on Au/ACAP/n-Si/Al for UV photodetection is successfully fabricated. The current-voltage relations of the manufactured photodetector showed significant stability and sensitivity to the incident UV illumination. The fabricated UV photodetector exhibits responsivity ~25.7 mA/W, specific detectivity ~2 × 109 Jones, efficiency ~16.74%, a fast and reproducible ON/OFF switching behavior with 480 ms and 218 ms rise and fall time, respectively.
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Affiliation(s)
- Ahmed M El-Mahalawy
- Thin Films Laboratory, Physics Department, Faculty of Science, Suez Canal University, 41522 Ismailia, Egypt.
| | - Moaz M Abdou
- Egyptian Petroleum Research Institute, P.O. 11727, Nasr City, Cairo, Egypt
| | - Ahmed R Wassel
- Electron Microscope and Thin Films Department, Physics Research Division, National Research Centre, 33El - Behouth St., Dokki, 12622 Giza, Egypt
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Kuenstler AS, Clark KD, Read de Alaniz J, Hayward RC. Reversible Actuation via Photoisomerization-Induced Melting of a Semicrystalline Poly(Azobenzene). ACS Macro Lett 2020; 9:902-909. [PMID: 35648524 DOI: 10.1021/acsmacrolett.0c00328] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Photoisomerization of azobenzene in polymer matrices is a powerful method to convert photon energy into mechanical work. While most previous studies have focused on incorporating azobenzene within amorphous or liquid crystalline materials, the limited extents of molecular ordering and correspondingly modest enthalpy changes upon switching in such systems has limited the achievable energy densities. In this work, we introduce a semicrystalline main-chain poly(azobenzene), where photoisomerization is capable of reversibly triggering melting and recrystallization under essentially isothermal conditions. These materials can be drawn into aligned fibers, yielding optically driven two-way shape memory actuators capable of reversible bending.
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Affiliation(s)
- Alexa S. Kuenstler
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Kyle D. Clark
- Department of Chemistry and Biochemistry, University of California Santa Barbara Santa Barbara, California 93106, United States
| | - Javier Read de Alaniz
- Department of Chemistry and Biochemistry, University of California Santa Barbara Santa Barbara, California 93106, United States
| | - Ryan C. Hayward
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
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8
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Shabzendedar S, Modarresi-Alam AR, Bahrpeyma A, Noroozifar M, Kerman K. Novel conductive multi-walled polymeric nanotubes of poly(diazoaminobenzene) for single-layer polymer solar cell. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104529] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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9
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Sarkar R, Gowd EB, Ramakrishnan S. Precise control of grafting density in periodically grafted amphiphilic copolymers: an alternate strategy to fine-tune the lamellar spacing in the sub-10 nm regime. Polym Chem 2020. [DOI: 10.1039/d0py00616e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By exactly locating pendant PEG550 segments at varying intervals along a hydrocarbon-rich polyester backbone, the lamellar dimension has been precisely tuned.
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Affiliation(s)
- Ramkrishna Sarkar
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
| | - E. Bhoje Gowd
- Material Sciences and Technology Division
- CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST)
- Thiruvananthapuram 695019
- India
| | - S. Ramakrishnan
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
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10
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Weis P, Hess A, Kircher G, Huang S, Auernhammer GK, Koynov K, Butt H, Wu S. Effects of Spacers on Photoinduced Reversible Solid‐to‐Liquid Transitions of Azobenzene‐Containing Polymers. Chemistry 2019; 25:10946-10953. [DOI: 10.1002/chem.201902273] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Philipp Weis
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Andreas Hess
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
- Present Address: Institute of ChemistryUniversity of Potsdam Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
| | - Gunnar Kircher
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Shilin Huang
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
- Present Address: School of Materials Science and EngineeringSun Yat-sen University No. 135, Xingang Xi Road Guangzhou 510275 P.R. China
| | - Günter K. Auernhammer
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
- Present Address: Leibniz-Institut für Polymerforschung Hohe Str. 6 01069 Dresden Germany
| | - Kaloian Koynov
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Hans‐Jürgen Butt
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Si Wu
- CAS Key Laboratory of Soft Matter ChemistryHefei National Laboratory for Physical Sciences at the MicroscaleDepartment of Polymer Science and EngineeringUniversity of Science and Technology of China Jinzhai Road 96 Hefei 230026 P.R. China
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
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11
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Xu WC, Sun S, Wu S. Photoinduced Reversible Solid-to-Liquid Transitions for Photoswitchable Materials. Angew Chem Int Ed Engl 2019; 58:9712-9740. [PMID: 30737869 DOI: 10.1002/anie.201814441] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Indexed: 11/06/2022]
Abstract
Heating and cooling can induce reversible solid-to-liquid transitions of matter. In contrast, athermal photochemical processes can induce reversible solid-to-liquid transitions of some newly developed azobenzene compounds. Azobenzene is photoswitchable. UV light induces trans-to-cis isomerization; visible light or heat induces cis-to-trans isomerization. Trans and cis isomers usually have different melting points (Tm ) or glass transition temperatures (Tg ). If Tm or Tg of an azobenzene compound in trans and cis forms are above and below room temperature, respectively, light may induce reversible solid-to-liquid transitions. In this Review, we introduce azobenzene compounds that exhibit photoinduced reversible solid-to-liquid transitions, discuss the mechanisms and design principles, and show their potential applications in healable coatings, adhesives, transfer printing, lithography, actuators, fuels, and gas separation. Finally, we discuss remaining challenges in this field.
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Affiliation(s)
- Wen-Cong Xu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Jinzhai Road 96, Hefei, 230026, China
| | - Shaodong Sun
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Jinzhai Road 96, Hefei, 230026, China
| | - Si Wu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Jinzhai Road 96, Hefei, 230026, China
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12
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Xu W, Sun S, Wu S. Photoinduzierte, reversible Fest‐flüssig‐Übergänge unter Verwendung photoschaltbarer Materialien. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814441] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wen‐Cong Xu
- CAS Key Laboratory of Soft Matter ChemistryHefei National Laboratory for Physical Sciences at the MicroscaleAnhui Key Laboratory of Optoelectronic Science and TechnologyDepartment of Polymer Science and EngineeringUniversity of Science and Technology of China Jinzhai Road 96 Hefei 230026 China
| | - Shaodong Sun
- CAS Key Laboratory of Soft Matter ChemistryHefei National Laboratory for Physical Sciences at the MicroscaleAnhui Key Laboratory of Optoelectronic Science and TechnologyDepartment of Polymer Science and EngineeringUniversity of Science and Technology of China Jinzhai Road 96 Hefei 230026 China
| | - Si Wu
- CAS Key Laboratory of Soft Matter ChemistryHefei National Laboratory for Physical Sciences at the MicroscaleAnhui Key Laboratory of Optoelectronic Science and TechnologyDepartment of Polymer Science and EngineeringUniversity of Science and Technology of China Jinzhai Road 96 Hefei 230026 China
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13
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Abstract
Photoresponsive polymers with multi-azobenzene groups are reviewed and their potential applications in photoactuation, photo-patterning, and photoinduced birefringence are introduced.
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Affiliation(s)
- Shaodong Sun
- CAS Key Laboratory of Soft Matter Chemistry
- Hefei National Laboratory for Physical Sciences at the Microscale
- Anhui Key Laboratory of Optoelectronic Science and Technology
- Department of Polymer Science and Engineering
- University of Science and Technology of China
| | - Shuofeng Liang
- CAS Key Laboratory of Soft Matter Chemistry
- Hefei National Laboratory for Physical Sciences at the Microscale
- Anhui Key Laboratory of Optoelectronic Science and Technology
- Department of Polymer Science and Engineering
- University of Science and Technology of China
| | - Wen-Cong Xu
- CAS Key Laboratory of Soft Matter Chemistry
- Hefei National Laboratory for Physical Sciences at the Microscale
- Anhui Key Laboratory of Optoelectronic Science and Technology
- Department of Polymer Science and Engineering
- University of Science and Technology of China
| | - Guofeng Xu
- CAS Key Laboratory of Soft Matter Chemistry
- Hefei National Laboratory for Physical Sciences at the Microscale
- Anhui Key Laboratory of Optoelectronic Science and Technology
- Department of Polymer Science and Engineering
- University of Science and Technology of China
| | - Si Wu
- CAS Key Laboratory of Soft Matter Chemistry
- Hefei National Laboratory for Physical Sciences at the Microscale
- Anhui Key Laboratory of Optoelectronic Science and Technology
- Department of Polymer Science and Engineering
- University of Science and Technology of China
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14
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2017. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.08.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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15
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Tang J, Xu B, Xi Z, Pan X, Zhao L. Controllable Crystallization Behavior of Nylon-6/66 Copolymers Based on Regulating Sequence Distribution. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b02671] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jie Tang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Bowen Xu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Zhenhao Xi
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xun Pan
- Flinders Institute for NanoScale Science and Technology, Flinders University, Sturt Road, Bedford Park, SA 5042, Australia
| | - Ling Zhao
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
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16
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Structure formation in nanophase-separated systems with lamellar morphology: Comb-like vs. linear precision polymers. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.03.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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