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Jang J, Koo J, Oh M, Wi Y, Yu D, Hyeong J, Jang E, Ko H, Rim M, Jeong KU. Self-Assembled and Polymerized Hierarchical Nanostructure Films of Cyanostilbene-Based Reactive AIEgens for Smart Chemosensors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307885. [PMID: 38161253 DOI: 10.1002/smll.202307885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/24/2023] [Indexed: 01/03/2024]
Abstract
For the development of acid-responsive advanced fluorescent films with a 2D nanostructure, a pyridyl cyanostilbene-based AIEgen (PCRM) is newly synthesized. The synthesized PCRM exhibits aggregation-induced emission (AIE) and responds reversibly to acid and base stimuli. To fabricate the nanoporous polymer-stabilized film, PCRM and 4-(octyloxy)benzoic acid (8OB) are complexed in a 1:1 ratio through hydrogen bonding. The PCRM-8OB complex with a smectic mesophase is uniaxially oriented at first and photopolymerized with a crosslinker. By subsequently removing 8OB in an alkaline solution, nanopores are generated in the self-assembled and polymerized hierarchical 2D nanostructure film. The prepared nanoporous fluorescent films exhibit not only the reversible response to acid and base stimuli but also mechanical and chemical robustness. Since the nanoporous fluorescent films have different sensitivities to trifluoroacetic acid (TFA) depending on the molecular orientation in the film, advanced acid vapor sensors that can display the risk level according to the concentration of TFA are demonstrated. Reactive AIEgens-based hierarchical nanostructure films with nanopores fabricated by a subsequent process of self-assembly, polymerization, and etching can open a new door for the development of advanced chemosensors.
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Affiliation(s)
- Junhwa Jang
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Jahyeon Koo
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Mintaek Oh
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Youngjae Wi
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Dongmin Yu
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Jaeseok Hyeong
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Eunji Jang
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Hyeyoon Ko
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Minwoo Rim
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Kwang-Un Jeong
- Department of Polymer-Nano Science and Technology, Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea
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Hamaguchi K, Sakamoto T, Kurahashi N, Harada Y, Kato T. Hydrogen-Bonded Structures of Water Molecules in Hydroxy-Functionalized Nanochannels of Columnar Liquid Crystalline Nanostructured Membranes Studied by Soft X-ray Emission Spectroscopy. J Phys Chem Lett 2024; 15:454-460. [PMID: 38189793 PMCID: PMC10801685 DOI: 10.1021/acs.jpclett.3c03027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/31/2023] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
Here, we report a synchrotron-based high-resolution soft X-ray emission spectroscopy study on hydrogen-bonded structures of water molecules in the self-organized, hydroxy-group-functionalized one-dimensional nanochannels of liquid crystalline nanostructured membranes. The water molecules confined in the uncharged hydroxy-functionalized nanochannels (which have a diameter of about 1.5 nm) exhibit hydrogen-bonded structures close to those of bulk liquid water, even directly interacting with diol groups. These hydrogen-bonded structures contrast with the more distorted hydrogen bonding of water molecules confined in self-organized channels with a diameter of 0.6 nm formed by an analogous nanostructured membrane with a cationic moiety, which was explained by the ability of the channel functional groups to donate and accept hydrogen bonds in a confined space and the nanochannel diameter.
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Affiliation(s)
- Kazuma Hamaguchi
- Department
of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Takeshi Sakamoto
- Department
of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Naoya Kurahashi
- Institute
for Solid State Physics (ISSP), The University
of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
| | - Yoshihisa Harada
- Institute
for Solid State Physics (ISSP), The University
of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
- Synchrotron
Radiation Collaborative Research Organization, The University of Tokyo, 468-1 Aoba, Aramaki, Aoba-ku, Sendai-shi, Miyagi 980-8572, Japan
| | - Takashi Kato
- Department
of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- Research
Initiative for Supra-Materials Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
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3
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Zeng H, Wang Y, Li C, Ren J, Lu R, Zhang H, Wang X, Lv X, Yu H, Liang T, Cheng C. Photo-responsive nanoporous liquid crystal polymer films for selective dye adsorption. RSC Adv 2024; 14:863-871. [PMID: 38174275 PMCID: PMC10759169 DOI: 10.1039/d3ra06791b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 11/29/2023] [Indexed: 01/05/2024] Open
Abstract
Photo-responsive nanoporous polymer films (AZOF-R(NC6)) have been developed by a template method based on a hydrogen-bonding supramolecular liquid crystal (LC) and a light-sensitive azobenzene LC crosslinker in this work. Anionic nanopores were obtained after the removal of template NC6 using KOH solution. The AZOF-R(NC6) demonstrates charge-selective dye adsorption and the maximum adsorption capacity for Rh6G is 504.6 mg g-1. The AZOF-R(NC6) film without UV light treatment shows a 32% higher adsorption capacity for Rh6G than the AZOF-R(NC6) film treated with UV light within the initial 10 min. In addition, UV light can trigger the release of the adsorbed dye from the polymer film due to the pore size change arising from the trans-cis isomerization. Besides, the used polymer film can be effectively regenerated using a HCl solution. Such functional polymer films with highly ordered nanopores and photo-responsive properties hold great promise in selective adsorption and mass separations.
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Affiliation(s)
- Hongju Zeng
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
- Chengdu BOE Display Sci-tech Co. Ltd. Chengdu Sichuan 610200 PR China
| | - Yun Wang
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
| | - Changxiang Li
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
| | - Junjie Ren
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
| | - Runzi Lu
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
| | - Huiyao Zhang
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
| | - Xi Wang
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
| | - Xingbin Lv
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
- Key Laboratory of Fundamental Chemistry of the State Ethnic Commission Chengdu Sichuan 610200 PR China
| | - Hairong Yu
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
- Key Laboratory of Fundamental Chemistry of the State Ethnic Commission Chengdu Sichuan 610200 PR China
| | - Ting Liang
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
- Key Laboratory of Fundamental Chemistry of the State Ethnic Commission Chengdu Sichuan 610200 PR China
| | - Changjing Cheng
- College of Chemistry and Environment, Southwest Minzu University Chengdu Sichuan 610200 PR China
- Key Laboratory of Fundamental Chemistry of the State Ethnic Commission Chengdu Sichuan 610200 PR China
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Hamaguchi K, Lu H, Okamura S, Kajiyama S, Uchida J, Sato S, Watanabe G, Ishii Y, Washizu H, Ungar G, Kato T. Reentrant 2D Nanostructured Liquid Crystals by Competition between Molecular Packing and Conformation: Potential Design for Multistep Switching of Ionic Conductivity. Chemphyschem 2023; 24:e202200927. [PMID: 36594677 DOI: 10.1002/cphc.202200927] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 12/25/2022] [Accepted: 01/02/2023] [Indexed: 01/04/2023]
Abstract
Reentrant phenomena in soft matter and biosystems have attracted considerable attention because their properties are closely related to high functionality. Here, we report a combined experimental and computational study on the self-assembly and reentrant behavior of a single-component thermotropic smectic liquid crystal toward the realization of dynamically functional materials. We have designed and synthesized a mesogenic molecule consisting of an alicyclic trans,trans-bicyclohexyl mesogen and a polar cyclic carbonate group connected by a flexible tetra(oxyethylene) spacer. The molecule exhibits an unprecedented sequence of layered smectic phases, in the order: smectic A-smectic B-reentrant smectic A. Electron density profiles and large-scale molecular dynamics simulations indicate that competition between the stacking of bicyclohexyl mesogens and the conformational flexibility of tetra(oxyethylene) chains induces this unusual reentrant behavior. Ion-conductive reentrant liquid-crystalline materials have been developed, which undergo the multistep conductivity changes in response to temperature. The reentrant liquid crystals have potential as new mesogenic materials exhibiting switching functions.
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Affiliation(s)
- Kazuma Hamaguchi
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Huanjun Lu
- Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Shota Okamura
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Satoshi Kajiyama
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Junya Uchida
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Shunsuke Sato
- Department of Physics, School of Science, Kitasato University Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Go Watanabe
- Department of Physics, School of Science, Kitasato University Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Yoshiki Ishii
- Graduate School of Information Science, University of Hyogo Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan
| | - Hitoshi Washizu
- Graduate School of Information Science, University of Hyogo Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo, 650-0047, Japan
| | - Goran Ungar
- State Key Laboratory for Mechanical Behavior of Materials Shaanxi International Research Center for Soft Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Takashi Kato
- Department of Chemistry and Biotechnology School of Engineering, The University of Tokyo Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.,Research Initiative for Supra-Materials, Shinshu University Wakasato, Nagano, 380-8553, Japan
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5
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Tao L, Xiao A, Lyu X, Tang Z, Yu Z, Shen Z, Fan X. Preparation of Complex Ratio‐Dependent Nanomaterials from Polymerizable Hydrogen‐Bonded Liquid Crystal. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lei Tao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
- Shenzhen Key Laboratory of Functional Polymers, School of Chemistry and Environmental Engineering Shenzhen University Shenzhen 518060 PR China
| | - Anqi Xiao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
| | - Xiaolin Lyu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
| | - Zhehao Tang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
| | - Zhen‐Qiang Yu
- Shenzhen Key Laboratory of Functional Polymers, School of Chemistry and Environmental Engineering Shenzhen University Shenzhen 518060 PR China
| | - Zhihao Shen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
| | - Xinghe Fan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
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Uchida J, Soberats B, Gupta M, Kato T. Advanced Functional Liquid Crystals. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109063. [PMID: 35034382 DOI: 10.1002/adma.202109063] [Citation(s) in RCA: 71] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/21/2021] [Indexed: 06/14/2023]
Abstract
Liquid crystals have been intensively studied as functional materials. Recently, integration of various disciplines has led to new directions in the design of functional liquid-crystalline materials in the fields of energy, water, photonics, actuation, sensing, and biotechnology. Here, recent advances in functional liquid crystals based on polymers, supramolecular complexes, gels, colloids, and inorganic-based hybrids are reviewed, from design strategies to functionalization of these materials and interfaces. New insights into liquid crystals provided by significant progress in advanced measurements and computational simulations, which enhance new design and functionalization of liquid-crystalline materials, are also discussed.
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Affiliation(s)
- Junya Uchida
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Bartolome Soberats
- Department of Chemistry, University of the Balearic Islands, Cra. Valldemossa Km. 7.5, Palma de Mallorca, 07122, Spain
| | - Monika Gupta
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Takashi Kato
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
- Research Initiative for Supra-Materials, Shinshu University, Wakasato, Nagano, 380-8553, Japan
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7
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Lugger SJ, Houben SJA, Foelen Y, Debije MG, Schenning APHJ, Mulder DJ. Hydrogen-Bonded Supramolecular Liquid Crystal Polymers: Smart Materials with Stimuli-Responsive, Self-Healing, and Recyclable Properties. Chem Rev 2022; 122:4946-4975. [PMID: 34428022 PMCID: PMC8915167 DOI: 10.1021/acs.chemrev.1c00330] [Citation(s) in RCA: 83] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Indexed: 01/18/2023]
Abstract
Hydrogen-bonded liquid crystalline polymers have emerged as promising "smart" supramolecular functional materials with stimuli-responsive, self-healing, and recyclable properties. The hydrogen bonds can either be used as chemically responsive (i.e., pH-responsive) or as dynamic structural (i.e., temperature-responsive) moieties. Responsiveness can be manifested as changes in shape, color, or porosity and as selective binding. The liquid crystalline self-organization gives the materials their unique responsive nanostructures. Typically, the materials used for actuators or optical materials are constructed using linear calamitic (rod-shaped) hydrogen-bonded complexes, while nanoporous materials are constructed from either calamitic or discotic (disk-shaped) complexes. The dynamic structural character of the hydrogen bond moieties can be used to construct self-healing and recyclable supramolecular materials. In this review, recent findings are summarized, and potential future applications are discussed.
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Affiliation(s)
- Sean J.
D. Lugger
- Stimuli-responsive
Functional Materials and Devices, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Simon J. A. Houben
- Stimuli-responsive
Functional Materials and Devices, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Yari Foelen
- Stimuli-responsive
Functional Materials and Devices, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Michael G. Debije
- Stimuli-responsive
Functional Materials and Devices, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Albert P. H. J. Schenning
- Stimuli-responsive
Functional Materials and Devices, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
- SCNU-TUE
Joint Laboratory of Device Integrated Responsive Materials (DIRM), South China Normal University, Guangzhou Higher Education Mega Center, 510006 Guangzhou, China
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, Den Dolech 2, 5600 MB, Eindhoven, The Netherlands
| | - Dirk J. Mulder
- Stimuli-responsive
Functional Materials and Devices, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
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8
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Marin San Roman P, Nijmeijer K, Sijbesma RP. Sulfonated polymerized liquid crystal nanoporous membranes for water purification. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120097] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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9
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Zeng H, Liang T, Zhang H, Wang Y, Wen J, Yu HR, Cheng C. Anisotropic Dyes Adsorption by Templated Smectic Nanoporous Polymer Films: Pore Size vs Pore Charges Affecting the Adsorption. NEW J CHEM 2022. [DOI: 10.1039/d2nj01350a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Selective 2-dimentional (2D) nanoporous polymer films have been developed by a templating method based on hydrogen-bonding supramolecular liquid crystals (LCs) containing benzoic acid and pyridine groups (6OBA·NC6·C6H). The smectic lamellar...
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Houben SJA, Kloos J, Borneman Z, Schenning APHJ. Switchable gas permeability of a polypropylene‐liquid crystalline composite film. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210835] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Simon J. A. Houben
- Laboratory of Stimuli‐responsive Functional Materials and Devices, Department of Chemical Engineering and Chemistry Eindhoven University of Technology Eindhoven Manitoba The Netherlands
| | - Joey Kloos
- Membrane Materials and Processes, Department of Chemical Engineering and Chemistry Eindhoven University of Technology Eindhoven Manitoba The Netherlands
| | - Zandrie Borneman
- Membrane Materials and Processes, Department of Chemical Engineering and Chemistry Eindhoven University of Technology Eindhoven Manitoba The Netherlands
| | - Albert P. H. J. Schenning
- Laboratory of Stimuli‐responsive Functional Materials and Devices, Department of Chemical Engineering and Chemistry Eindhoven University of Technology Eindhoven Manitoba The Netherlands
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Zentel R. LC‐Polymers and Smectic Phases with Special Substructures/Nanophase Segregation. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100216] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Rudolf Zentel
- Department of Chemistry Johannes Gutenberg University Mainz Duesbergweg 10–14 D‐55128 Mainz Germany
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