101
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Li J, Li T, Ma X, Su Z, Yin J, Jiang X. Light-Induced Programmable 2D Ordered Patterns Based on a Hyperbranched Poly(ether amine) (hPEA)-Functionalized Graphene Film. ACS APPLIED MATERIALS & INTERFACES 2021; 13:1704-1713. [PMID: 33347761 DOI: 10.1021/acsami.0c15099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Dynamic complex surface topography with ordered and tunable morphologies, which can provide on-demand control of surface properties to realize smart surfaces, is gaining much attention yet remains challenging in terms of fabrication. Here, a facile, robust, and controllable method is demonstrated to fabricate programmable two-dimensional (2D) ordered patterns with multiresponsive 2D ultrathin materials, comprised of anthracene-capped hyperbranched poly(ether amine) (hPEA-AN)-functionalized graphene (hPEA-AN@G). By combining the stimuli-responsiveness and UV sensitivity of hPEA-AN and excellent out-of-plane deformation and NIR-to-thermal conversion of graphene, the process of "writing/uploading" initial information is conducted through the initial exposure to 365 nm UV light to generate the 2D ordered pattern first; second, inducing swelling strain via moisture to create the hierarchical topographic pattern (orderly oriented pattern) is the process of "modification and erasable rewriting"; third, alternating NIR or 254 nm UV light blanket exposure are the two ways of erasing the information. Consequently, taking advantage of the multiresponsive dynamic wrinkling/ordered patterning, we can program globally 2D ordered surface patterns with diverse morphologies on demand and manipulate the resulted surface properties as desired.
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Affiliation(s)
- Jin Li
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Tiantian Li
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaodong Ma
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhilong Su
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jie Yin
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xuesong Jiang
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, China
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102
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Lin M, Wan H, Zhang J, Huang F, Li S, Xia F. Bioinspired Programmable Engineering of a Color-Change Biointerface based on Dual-Stimulation Regulation. ACS APPLIED BIO MATERIALS 2020; 3:8970-8977. [DOI: 10.1021/acsabm.0c01224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Meihua Lin
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Hao Wan
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Jian Zhang
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Fujian Huang
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Shaoguang Li
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Fan Xia
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
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103
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Winter T, Boehm A, Presser V, Gallei M. Dye-Loaded Mechanochromic and pH-Responsive Elastomeric Opal Films. Macromol Rapid Commun 2020; 42:e2000557. [PMID: 33251645 DOI: 10.1002/marc.202000557] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/19/2020] [Indexed: 01/30/2023]
Abstract
In this work, the preparation and fabrication of elastomeric opal films revealing reversible mechanochromic and pH-responsive features are reported. The core-interlayer-shell (CIS) particles are synthesized via stepwise emulsion polymerization leading to hard core (polystyrene), crosslinked interlayer (poly(methyl methacrylate-co-allyl methacrylate), and soft poly(ethyl acrylate-co-butyl acrylate-co-(2-hydroxyethyl) methacrylate) shell particles featuring a size of 294.9 ± 14.8 nm. This particle architecture enables the application of the melt-shear organization technique leading to elastomeric opal films with orange, respectively, green brilliant reflection colors dependent on the angle of view. Moreover, the hydroxyl moieties as part of the particle shell are advantageously used for subsequent thermally induced crosslinking reactions enabling the preparation of reversibly tunable mechanochromic structural colors based on Bragg's law of diffraction. Additionally, the CIS particles can be loaded upon extrusion or chemically by a postfunctionalization strategy with organic dyes implying pH-responsive features. This convenient protocol for preparing multi-responsive, reversibly stretch-tunable opal films is expected to enable a new material family for anti-counterfeiting applications based on external triggers.
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Affiliation(s)
- Tamara Winter
- Ernst-Berl-Institute of Chemical Engineering and Macromolecular Chemistry, Technische Universität Darmstadt, Alarich-Weiss-Straße 4, Darmstadt, 64287, Germany.,Department of Materials Science and Engineering, Saarland University, Campus D2 2, Saarbrücken, 66123, Germany
| | - Anna Boehm
- Chair in Polymer Chemistry, Saarland University, Campus Saarbrücken C4 2, Saarbrücken, 66123, Germany
| | - Volker Presser
- Department of Materials Science and Engineering, Saarland University, Campus D2 2, Saarbrücken, 66123, Germany.,INM - Leibniz-Institute for New Materials, Campus D2 2, Saarbrücken, 66123, Germany
| | - Markus Gallei
- Chair in Polymer Chemistry, Saarland University, Campus Saarbrücken C4 2, Saarbrücken, 66123, Germany
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104
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Clough JM, Weder C, Schrettl S. Mechanochromism in Structurally Colored Polymeric Materials. Macromol Rapid Commun 2020; 42:e2000528. [PMID: 33210385 DOI: 10.1002/marc.202000528] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/02/2020] [Indexed: 01/03/2023]
Abstract
Mechanochromic effects in structurally colored materials are the result of deformation-induced changes to their ordered nanostructures. Polymeric materials which respond in this way to deformation offer an attractive combination of characteristics, including continuous strain sensing, high strain resolution, and a wide strain-sensing range. Such materials are potentially useful for a wide range of applications, which extend from pressure-sensing bandages to anti-counterfeiting devices. Focusing on the materials design aspects, recent developments in this field are summarized. The article starts with an overview of different approaches to achieve mechanochromic effects in structurally colored materials, before the physical principles governing the interaction of light with each of these materials types are summarized. Diverse methodologies to prepare these polymers are then discussed in detail, and where applicable, naturally occurring materials that inspired the design of artificial systems are discussed. The capabilities and limitations of structurally colored materials in reporting and visualizing mechanical deformation are examined from a general standpoint and also in more specific technological contexts. To conclude, current trends in the field are highlighted and possible future opportunities are identified.
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Affiliation(s)
- Jess M Clough
- Adolphe Merkle Institute, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Christoph Weder
- Adolphe Merkle Institute, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
| | - Stephen Schrettl
- Adolphe Merkle Institute, Chemin des Verdiers 4, Fribourg, 1700, Switzerland
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105
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Szukalski A, Haupa KA, Adamow A, Cheret Y, Hue R, El-Ghayoury A, Sahraoui B, Pisignano D, Mysliwiec J, Camposeo A. Photoactivated Refractive Index Anisotropy in Fluorescent Thiophene Derivatives. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2020; 124:25465-25472. [PMID: 33282054 PMCID: PMC7706105 DOI: 10.1021/acs.jpcc.0c07455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/22/2020] [Indexed: 06/12/2023]
Abstract
The optical control of anisotropy in materials is highly advantageous for many technological applications, including the real-time modulation of another light signal in photonic switches and sensors. Here, we introduce three thiophene derivatives with a donor-acceptor structure, which feature different positions of an electron-acceptor nitrile group, and both photoalignment and luminescence properties. Quantum chemical calculations highlight the presence of trans-forms stable at room temperature and metastable cis-isomers. Besides photoluminescence peaked at 440-460 nm and 0.4 ns lifetime, the three nonlinear optical chromophores exhibit photoinduced anisotropy of the refractive index closely depending on the specific molecular structure, with higher values of birefringence at lower driving signal being obtained for ortho substitution of the nitrile group. All-optical modulation of an external light beam at rates of hundreds of hertz is demonstrated in the fluorescent systems. This finding opens an interesting route to multispectral photonic switches embedded in the active layers of light-emitting devices.
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Affiliation(s)
- Adam Szukalski
- NEST,
Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza S. Silvestro 12, I-56127 Pisa, Italy
- Faculty
of Chemistry, Wroclaw University of Science
and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Karolina A. Haupa
- Department
of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University, Daxue Road 1001, 30010 Hsinchu, Taiwan
- Institute
of Physical Chemistry, Karlsruhe Institute
of Technology, Fritz-Haber
Weg 2 (Geb. 30.44), D-76131 Karlsruhe, Germany
| | - Alina Adamow
- NEST,
Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza S. Silvestro 12, I-56127 Pisa, Italy
- Faculty
of Chemistry, Wroclaw University of Science
and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Yohan Cheret
- MOLTECH-Anjou,
UMR 6200, CNRS, Université Angers, 2 bd Lavoisier, 49045 Angers Cedex, France
| | - Raphael Hue
- MOLTECH-Anjou,
UMR 6200, CNRS, Université Angers, 2 bd Lavoisier, 49045 Angers Cedex, France
| | - Abdelkrim El-Ghayoury
- MOLTECH-Anjou,
UMR 6200, CNRS, Université Angers, 2 bd Lavoisier, 49045 Angers Cedex, France
| | - Bouchta Sahraoui
- MOLTECH-Anjou,
UMR 6200, CNRS, Université Angers, 2 bd Lavoisier, 49045 Angers Cedex, France
| | - Dario Pisignano
- NEST,
Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza S. Silvestro 12, I-56127 Pisa, Italy
- Dipartimento
di Fisica, Università di Pisa, Largo B. Pontecorvo 3, I-56127 Pisa, Italy
| | - Jaroslaw Mysliwiec
- Faculty
of Chemistry, Wroclaw University of Science
and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Andrea Camposeo
- NEST,
Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza S. Silvestro 12, I-56127 Pisa, Italy
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106
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Watanabe K, Imai H, Oaki Y. Solid-State Low-Temperature Thermoresponsive and Reversible Color Changes of Conjugated Polymer in Layered Structure: Beyond Infrared Thermography. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2004586. [PMID: 32939961 DOI: 10.1002/smll.202004586] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Indexed: 06/11/2023]
Abstract
Emergence of thermoresponsive and reversible color changes at low temperature is a challenging target. In general, it is not easy to induce sufficient dynamic motion of rigid molecules including chromophore at a lower temperature. The present work shows unusually low-temperature color-change properties originating from the dynamic motion of rigid conjugated polymer in solid state. The layered composites of polydiacetylene (PDA) and guest l-arginine (L-Arg) (PDA-(L-Arg)) exhibit temperature-responsive gradual color changes with reversibility in the range of 123-333 K in solid crystalline state. The dynamic properties are induced by gradual and reversible distortion of the π-conjugated main chain in response to temperature. The tuned flexibility of the layered structure facilitates motion of the rigid π-conjugated molecule at low temperature. The PDA-(L-Arg)-coated substrates are applied to visualization and quantification of 2D and 3D temperature distributions generated by cooling with liquid nitrogen. These thermographic devices afford to image lower temperature range than typical infrared thermography. The present work indicates potentials of layered architectures with tunable flexibility for emergence of dynamic properties.
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Affiliation(s)
- Kei Watanabe
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Hiroaki Imai
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Yuya Oaki
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
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107
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Scheffold F. Pathways and challenges towards a complete characterization of microgels. Nat Commun 2020; 11:4315. [PMID: 32887886 PMCID: PMC7473851 DOI: 10.1038/s41467-020-17774-5] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 07/20/2020] [Indexed: 01/07/2023] Open
Abstract
Due to their controlled size, sensitivity to external stimuli, and ease-of-use, microgel colloids are unique building blocks for soft materials made by crosslinking polymers on the micrometer scale. Despite the plethora of work published, many questions about their internal structure, interactions, and phase behavior are still open. The reasons for this lack of understanding are the challenges arising from the small size of the microgel particles, complex pairwise interactions, and their solvent permeability. Here we describe pathways toward a complete understanding of microgel colloids based on recent experimental advances in nanoscale characterization, such as super-resolution microscopy, scattering methods, and modeling.
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Affiliation(s)
- Frank Scheffold
- Department of Physics, University of Fribourg, Chemin du Musée 3, 1700, Fribourg, Switzerland.
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108
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Shen X, Du J, Sun J, Guo J, Hu X, Wang C. Transparent and UV Blocking Structural Colored Hydrogel for Contact Lenses. ACS APPLIED MATERIALS & INTERFACES 2020; 12:39639-39648. [PMID: 32805949 DOI: 10.1021/acsami.0c10763] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Usually, materials with perfect structures possess excellent properties, but it is not always the case. Here, a new approach is reported to construct structural colored hydrogel films with excellent ultraviolet (UV) blocking performance for contact lenses. The theoretical simulation predicts that with perfect periodic structures, the hydrogel films can strongly reflect incident light in a narrow visible wavelength range and thus exhibit extraordinarily brilliant colors. However, such hydrogel films cannot effectively block UV light. By slightly breaking the structural periodicity (quasi-periodic structure), strong diffuse scattering or pseudoabsorption of light can occur for all of the wavelengths shorter than a structural characteristic length, leading to perfect UV blocking. According to the theoretical prediction, a structural colored hydrogel film with nearly periodic polystyrene sphere arrays in poly(hydroxyethyl methacrylate) hydrogel matrix is fabricated; this hydrogel film possesses brilliant colors and perfect UV blocking, and the core particle composition and size have been investigated in detail for the optimized properties of contact lenses. Meanwhile, the cell proliferation assay proves the cytocompatibility of the hydrogel for real application. Regarding its unique optical characteristics, the as-prepared structural colored hydrogel shows great promise in the fields of UV-protective equipment, medical device, soft robot, sensor, and so on.
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Affiliation(s)
- Xiuqing Shen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
| | - Jiayuan Du
- Department of Materials Science, and Key Laboratory of Micro- and Nano-Photonic Structures (Ministry of Education), and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
| | - Jiaxin Sun
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
| | - Jia Guo
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
| | - Xinhua Hu
- Department of Materials Science, and Key Laboratory of Micro- and Nano-Photonic Structures (Ministry of Education), and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
| | - Changchun Wang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
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109
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Kang HS, Han SW, Park C, Lee SW, Eoh H, Baek J, Shin DG, Park TH, Huh J, Lee H, Kim DE, Ryu DY, Thomas EL, Koh WG, Park C. 3D touchless multiorder reflection structural color sensing display. SCIENCE ADVANCES 2020; 6:eabb5769. [PMID: 32832673 PMCID: PMC7439647 DOI: 10.1126/sciadv.abb5769] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 06/11/2020] [Indexed: 05/21/2023]
Abstract
The development of a lightweight, low-power, user-interactive three-dimensional (3D) touchless display in which a human stimulus can be detected and simultaneously visualized in noncontact mode is of great interest. Here, we present a user-interactive 3D touchless sensing display based on multiorder reflection structural colors (SCs) of a thin, solid-state block copolymer (BCP) photonic crystal (PC). Full-visible-range SCs are developed in a BCP PC consisting of alternating lamellae, one of which contains a chemically cross-linked, interpenetrated hydrogel network. The absorption of a nonvolatile ionic liquid into the domains of the interpenetrated network allows for further manipulation of SC by using multiple-order photonic reflections, giving rise to unprecedented visible SCs arising from reflective color mixing. Furthermore, by using a hygroscopic ionic liquid ink, a printable 3D touchless interactive display is created where 3D position of a human finger is efficiently visualized in different SCs as a function of finger-to-display distance.
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Affiliation(s)
- Han Sol Kang
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Sang Won Han
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Chanho Park
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Seung Won Lee
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Hongkyu Eoh
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Jonghyeok Baek
- School of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Dong-Gap Shin
- School of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Tae Hyun Park
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - June Huh
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Hyungsuk Lee
- School of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Dae-Eun Kim
- School of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Du Yeol Ryu
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Edwin L. Thomas
- Material Science and Nano Engineering, Rice University, Houston, TX 77005-1892, USA
| | - Won-Gun Koh
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea
- Corresponding author. (C.P.); (W.-G.K.)
| | - Cheolmin Park
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea
- Spin Convergence Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
- Corresponding author. (C.P.); (W.-G.K.)
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110
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Neumann LN, Gunkel I, Barron A, Oveisi E, Petzold A, Thurn-Albrecht T, Schrettl S, Weder C. Structure–Property Relationships of Microphase-Separated Metallosupramolecular Polymers. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00876] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Laura N. Neumann
- Adolphe Merkle Institute (AMI), University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Ilja Gunkel
- Adolphe Merkle Institute (AMI), University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Amber Barron
- Adolphe Merkle Institute (AMI), University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Emad Oveisi
- Interdisciplinary Centre for Electron Microscopy (CIME), Ecole Polytechnique Fédérale de Lausanne (EPFL), EPFL-SB-CIME, Bâtiment MXC-135, Station 12, CH-1015 Lausanne, Switzerland
| | - Albrecht Petzold
- Naturwissenschaftliche Fakultät II - Chemie und Physik, Institut für Physik, Martin-Luther-Universität Halle-Wittenberg, von-Danckelmann-Platz 3, D-06120 Halle (Saale), Germany
| | - Thomas Thurn-Albrecht
- Naturwissenschaftliche Fakultät II - Chemie und Physik, Institut für Physik, Martin-Luther-Universität Halle-Wittenberg, von-Danckelmann-Platz 3, D-06120 Halle (Saale), Germany
| | - Stephen Schrettl
- Adolphe Merkle Institute (AMI), University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Christoph Weder
- Adolphe Merkle Institute (AMI), University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
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111
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Hou A, Chen H, Zheng C, Xie K, Gao A. Assembly of a Fluorescent Chiral Photonic Crystal Membrane and Its Sensitive Responses to Multiple Signals Induced by Small Molecules. ACS NANO 2020; 14:7380-7388. [PMID: 32484339 DOI: 10.1021/acsnano.0c02883] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Chiral liquid crystal materials that are responsive to environmental stimuli are in demand. A chiral photonic crystal membrane based on cellulose nanocrystals (CNCs) was prepared by molecule assembly in the present work. A fluorescent molecule containing a cationic group, [N-(3-N-benzyl-N,N-dimethylpropyl ammonium chloride)-1,8-naphthalimide]hydrazine, was assembled on the surface of the CNCs. The new chiral photonic crystal membrane possesses supersensitive multiresponses to small molecules, such as water and formaldehyde molecules. The appearance, liquid crystal texture, fluorescence, and color of the chiral membrane have sensitive changes induced by small molecules. By increasing RH from 30 to 100%, the reflectance peak of the membrane red-shifted from 498 to 736 nm. In particular, the iridescent texture and fingerprint structure of the membrane could change markedly under trace amounts of formaldehyde, and the chiral membrane can form an extremely sensitive off-on fluorescence switch. The relationship between the fluorescence intensity and the trace concentration of formaldehyde satisfied the linear equation with the association coefficient of 0.9997. The changes in fluorescence and color are visible to the naked eye, and the membrane can quantitatively recognize trace formaldehyde at a molecular level in a humid environment. The mechanism by which the fluorescence switch operates was investigated using density functional theory at the B3LYP/6-31G(d) level. The membrane has potential for use in the fields of advanced functional materials and biomaterials.
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Affiliation(s)
- Aiqin Hou
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P.R. China
- National Engineering Research Center for Dyeing and Finishing of Textiles, Donghua University, Shanghai 201620, P.R. China
| | - Huanghuang Chen
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P.R. China
- National Engineering Research Center for Dyeing and Finishing of Textiles, Donghua University, Shanghai 201620, P.R. China
| | - Changwu Zheng
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P.R. China
| | - Kongliang Xie
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P.R. China
| | - Aiqin Gao
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P.R. China
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112
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Li D, Zhang Q, Zhao W, Dong S, Li T, Stang PJ. Thermo/Anion Dual-Responsive Supramolecular Organoplatinum–Crown Ether Complex. Org Lett 2020; 22:4289-4293. [DOI: 10.1021/acs.orglett.0c01333] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Doudou Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Qiao Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Wanxiang Zhao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Shengyi Dong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Tao Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, P. R. China
| | - Peter J. Stang
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, United States
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113
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Chen H, Hou A, Zheng C, Tang J, Xie K, Gao A. Light- and Humidity-Responsive Chiral Nematic Photonic Crystal Films Based on Cellulose Nanocrystals. ACS APPLIED MATERIALS & INTERFACES 2020; 12:24505-24511. [PMID: 32362108 DOI: 10.1021/acsami.0c05139] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Light- and humidity-responsive chiral nematic photonic crystal (PC) films containing cellulose nanocrystals (CNCs) were fabricated. A photoactive polymer with hydrophilic groups, poly-(3,3'-benzophenone-4,4'-dicarboxylic acid dicarboxylate polyethylene glycol) ester, was coassembled with CNCs to form flexible iridescent films with a tunable chiral nematic order. In the coassembly process, the intermolecular hydrogen bonds of CNCs were weakened, which facilitated the fine regulation of the chiral PC nanostructure. The PC films displayed sensitive responses to both light and humidity. With increasing humidity from 30 to 100%, the chiral nematic helix pitch increased from 328 to 422 nm. The color of the PC films changed from blue to green, yellow, orange, and dark red with increasing relative humidity. Over 15 min of light irradiation, the absorption intensity of the films increased gradually. The light and humidity responses of the films were reversible. The films maintained their variable cholesteric liquid crystal texture and helical lamellar structure after light irradiation at different humidities. These PC films are expected to be useful in intelligent coatings and 3D printing.
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Affiliation(s)
- Huanghuang Chen
- National Engineering Research Center for Dyeing and Finishing of Textiles, Donghua University, Shanghai 201620, P. R. China
| | - Aiqin Hou
- National Engineering Research Center for Dyeing and Finishing of Textiles, Donghua University, Shanghai 201620, P. R. China
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China
| | - Changwu Zheng
- National Engineering Research Center for Dyeing and Finishing of Textiles, Donghua University, Shanghai 201620, P. R. China
| | - Jing Tang
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China
| | - Kongliang Xie
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China
| | - Aiqin Gao
- National Engineering Research Center for Dyeing and Finishing of Textiles, Donghua University, Shanghai 201620, P. R. China
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, P. R. China
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114
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Zhu Q, Liu S, Sun J, Liu J, Kirubaharan CJ, Chen H, Xu W, Wang Q. Stimuli-responsive cellulose nanomaterials for smart applications. Carbohydr Polym 2020; 235:115933. [DOI: 10.1016/j.carbpol.2020.115933] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/20/2020] [Accepted: 01/29/2020] [Indexed: 11/24/2022]
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115
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Schedl AE, Howell I, Watkins JJ, Schmidt HW. Gradient Photonic Materials Based on One-Dimensional Polymer Photonic Crystals. Macromol Rapid Commun 2020; 41:e2000069. [PMID: 32167639 DOI: 10.1002/marc.202000069] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 02/21/2020] [Indexed: 11/07/2022]
Abstract
In nature, animals such as chameleons are well-known for the complex color patterns of their skin and the ability to adapt and change the color by manipulating sophisticated photonic crystal systems. Artificial gradient photonic materials are inspired by these color patterns. A concept for the preparation of such materials and their function as tunable mechanochromic materials is presented in this work. The system consists of a 1D polymer photonic crystal on a centimeter scale on top of an elastic poly(dimethylsiloxane) substrate with a gradient in stiffness. In the unstrained state, this system reveals a uniform red reflectance over the entire sample. Upon deformation, a gradient in local strain of the substrate is formed and transferred to the photonic crystal. Depending on the magnitude of this local strain, the thickness of the photonic crystal decreases continuously, resulting in a position-dependent blue shift of the reflectance peak and hence the color in a rainbow-like fashion. Using more sophisticated hard-soft-hard-soft-hard gradient elastomers enables the realization of stripe-like reflectance patterns. Thus, this approach allows for the tunable formation of reflectance gradients and complex reflectance patterns. Envisioned applications are in the field of mechanochromic sensors, telemedicine, smart materials, and metamaterials.
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Affiliation(s)
- Andreas E Schedl
- Department of Macromolecular Chemistry I and Bavarian Polymer Institute, University of Bayreuth, Bayreuth, 95440, Germany
| | - Irene Howell
- Center for Hierarchical Manufacturing, Department of Polymer Science and Engineering, University of Massachusetts Amherst, 120 Governors Drive, Amherst, MA, 01003, USA
| | - James J Watkins
- Center for Hierarchical Manufacturing, Department of Polymer Science and Engineering, University of Massachusetts Amherst, 120 Governors Drive, Amherst, MA, 01003, USA
| | - Hans-Werner Schmidt
- Department of Macromolecular Chemistry I and Bavarian Polymer Institute, University of Bayreuth, Bayreuth, 95440, Germany
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116
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Al Khatib M, Costa J, Baratto MC, Basosi R, Pogni R. Paramagnetism and Relaxation Dynamics in Melanin Biomaterials. J Phys Chem B 2020; 124:2110-2115. [PMID: 32105072 DOI: 10.1021/acs.jpcb.9b11785] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Spectroscopical characterization of melanins is a prior requirement for the efficient tailoring of their radical scavenging, ultraviolet-visible radiation absorption, metal chelation, and natural pigment properties. Electron paramagnetic resonance (EPR), exploiting the common persistent paramagnetism of melanins, represents the elective standard for the structural and dynamical characterization of their constituting radical species. Although melanins are mainly investigated using X-band (9.5 GHz) continuous wave (CW)-EPR, an integration with the application of Q-band (34 GHz) in CW and pulse EPR for the discrimination of melanin pigments of different compositions is presented here. The longitudinal relaxation times measured highlight faster relaxation rates for cysteinyldopa melanin, compared to those of the most common dopa melanin pigment, suggesting pulse EPR spin-lattice relaxation time measurements as a complementary tool for characterization of pigments of interest for biomimetic materials engineering.
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Affiliation(s)
- Maher Al Khatib
- Department of Biotechnology, Chemistry and Pharmacy, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Jessica Costa
- Department of Biotechnology, Chemistry and Pharmacy, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Maria Camilla Baratto
- Department of Biotechnology, Chemistry and Pharmacy, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Riccardo Basosi
- Department of Biotechnology, Chemistry and Pharmacy, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Rebecca Pogni
- Department of Biotechnology, Chemistry and Pharmacy, Università degli Studi di Siena, Via A. Moro 2, 53100 Siena, Italy
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117
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Nakamitsu M, Imai H, Oaki Y. Visualization and Quantification of Microwaves Using Thermoresponsive Color-Change Hydrogel. ACS Sens 2020; 5:133-139. [PMID: 31833361 DOI: 10.1021/acssensors.9b01900] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Visualization and quantification of invisible lights, such as microwaves, are significant for their safe use. In general, a sensitizer material combined with a transistor is used as electronic devices for the measurement. Here, we developed a thermoresponsive color-change hydrogel of poly(N-isopropylacrylamide) (PNIPAAm) cross-linked by a layered organic composite based on polydiacetylene (PDA) for visualization and colorimetric quantification of microwaves. The layered PDA in the PNIPAAm hydrogel showed the temperature-dependent gradual color change with heating. Irradiation of microwaves induced the color change of PDA through heating of water in the hydrogel and subsequent volume shrinkage. The color of the gel was applied to visualize the temperature distribution with increasing irradiation time of microwaves. Moreover, the power of the irradiated microwave was quantified by time to the complete color change of the gel. The results indicate that the stimulus conversion process has potentials for development of a variety of imaging and quantification devices based on the layered PDA.
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Affiliation(s)
- Minami Nakamitsu
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Hiroaki Imai
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Yuya Oaki
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
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118
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Wang H, Liu Y, Chen Z, Sun L, Zhao Y. Anisotropic structural color particles from colloidal phase separation. SCIENCE ADVANCES 2020; 6:eaay1438. [PMID: 31950082 PMCID: PMC6954063 DOI: 10.1126/sciadv.aay1438] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 11/11/2019] [Indexed: 05/11/2023]
Abstract
Structural color materials have been studied for decades because of their fascinating properties. Effects in this area are the trend to develop functional structural color materials with new components, structures, or morphologies for different applications. In this study, we found that the coassembled graphene oxide (GO) and colloid nanoparticles in droplets could form component phase separations, and thus, previously unknown anisotropic structural color particles (SCPs) with hemispherical colloidal crystal cluster and oblate GO component could be achieved. The anisotropic SCPs, as well as their inverse opal hydrogel derivatives, were endowed with brilliant structural colors and controllable capabilities of fixation, location, orientation, and even responsiveness due to their specific structure, morphology, and components. We have also demonstrated that the anisotropic hydrogel SCPs with these features were ideal candidates for dynamic cell monitoring and sensing. These properties indicate that the anisotropic SCPs and their derivatives have huge potential values in biomedical areas.
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Affiliation(s)
- Huan Wang
- Department of Clinical Laboratory, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yuxiao Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Zhuoyue Chen
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lingyu Sun
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yuanjin Zhao
- Department of Clinical Laboratory, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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119
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Zhang L, Li M, Lyu Q, Zhu J. Bioinspired structural color nanocomposites with healable capability. Polym Chem 2020. [DOI: 10.1039/d0py01096k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This minireview summarizes the recent development of healable structural color nanocomposites from the perspective of the construction strategies.
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Affiliation(s)
- Lianbin Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST)
- and State Key Laboratory of Materials Processing and Die & Mold Technology
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
| | - Miaomiao Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST)
- and State Key Laboratory of Materials Processing and Die & Mold Technology
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
| | - Quanqian Lyu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST)
- and State Key Laboratory of Materials Processing and Die & Mold Technology
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
| | - Jintao Zhu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST)
- and State Key Laboratory of Materials Processing and Die & Mold Technology
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
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120
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Yang Y, Tian F, Wang X, Xu P, An W, Hu Y, Xu S. Biomimetic Color-Changing Hierarchical and Gradient Hydrogel Actuators Based on Salt-Induced Microphase Separation. ACS APPLIED MATERIALS & INTERFACES 2019; 11:48428-48436. [PMID: 31769960 DOI: 10.1021/acsami.9b17904] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
There have been more challenges for hydrogel actuators to meet the combined requirement of discoloration, complex deformation, and simple preparation. Structural coloration is widely used to fabricate discolored hydrogel via microrearrangement of photonic crystals in the hydrogel framework. However, precise regulation is usually required. Besides, the macro-optical properties are unstable. Herein, we develop a hierarchical and gradient hydrogel actuator with complex deformation and color-changing functions using an electrophoresis method. A simple but effective strategy is presented for fabrication of hierarchical hydrogel composed of homopolymers and copolymers via salt-induced microphase separation during the polymerization of the N-isopropylacrylamide (NIPAm) and [2-(methacryloyloxy)ethyl]trimethylammonium chloride (DMC). Meanwhile a gradient distribution of DMC is also formed during the polymerization due to migration of DMC under electric field. The hierarchical and gradient structures are characterized by confocal laser scanning microscope (CLSM), small-angle X-ray scattering measurement (SAXS), temperature-variable Fourier transform infrared (FTIR), etc. The discoloration mechanism is proposed. The as-prepared hydrogel can undergo fast and complex thermo-triggered deformation and discoloration. Bionic movements of discoloration flowering and information encryption are successfully demonstrated, promising great potential in the application of biomimetic materials.
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Affiliation(s)
- Yang Yang
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Fei Tian
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Xionglei Wang
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Pingping Xu
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Wenli An
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Yan Hu
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Shimei Xu
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
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121
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Ren J, Wang Y, Yao Y, Wang Y, Fei X, Qi P, Lin S, Kaplan DL, Buehler MJ, Ling S. Biological Material Interfaces as Inspiration for Mechanical and Optical Material Designs. Chem Rev 2019; 119:12279-12336. [DOI: 10.1021/acs.chemrev.9b00416] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jing Ren
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Yu Wang
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Yuan Yao
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Yang Wang
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Xiang Fei
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, International Joint Laboratory for Advanced Fiber and Low-Dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Ping Qi
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
| | - Shihui Lin
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Markus J. Buehler
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Shengjie Ling
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China
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122
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Zhu Y, Wang J, Zhu X, Wang J, Zhou L, Li J, Mei T, Qian J, Wei L, Wang X. Carbon dot-based inverse opal hydrogels with photoluminescence: dual-mode sensing of solvents and metal ions. Analyst 2019; 144:5802-5809. [PMID: 31465037 DOI: 10.1039/c9an01287g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A dual-mode sensing platform, involving fluorescence and reflectance modes, has been demonstrated for highly sensitive and selective detection of solvents and metal ions based on carbon dot-based inverse opal hydrogels (CD-IOHs). In this work, CD-IOHs have been first synthesized via the typical templating technique. Two kinds of CDs, including solvent and Cu(ii) ion sensitive CDs, have been incorporated into the matrix of IOHs during the co-polymerization of acrylic acid (AA) and 2-hydroxyethyl methacrylate (HEMA). The CD-IOHs not only appear green under daylight but also exhibit stable photoluminescence (PL) under UV light owing to the stop-band effect of photonic crystals and the quantum effect of CDs, respectively. By using these two optical phenomena, for solvent sensing, the CD-IOHs change their colors from green, yellow, and red to a semitransparent state and show good linear sensing with the ethanol content varying from 0 to 45% in reflectance mode, while their PL intensities exhibit a nonlinear detection trend: first an increase and then a decrease with the ethanol content in fluorescence mode. Remarkably, as for metal ion sensing, the CD-IOHs have high selectivity for Cu(ii) ions via the specific PL quenching effect of Cu(ii) ion sensitive CDs. Furthermore, the CD-IOHs show good linear detection in both modes and a wide linear detection range from 0.1 μM to 7 mM. Thus, high selectivity, colorimetric detection, a broad linear detection range, and dual-mode sensing can be realized using the CD-IOHs.
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Affiliation(s)
- Yuhua Zhu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
| | - Jianying Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
| | - Xiang Zhu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
| | - Jun Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
| | - Lijie Zhou
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
| | - Jinhua Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
| | - Tao Mei
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
| | - Jingwen Qian
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
| | - Lai Wei
- Wuhan Drug Solubilization and Delivery Technology Research Center, School of Environment and Biochemical Engineering, Wuhan Vocational College of Software and Engineering, Wuhan 430205, P. R. China
| | - Xianbao Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Key Laboratory for the Green Preparation and Application of Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Materials, School of Materials Science and Engineering, Hubei University, Wuhan 430062, P. R. China.
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123
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Deng Z, Zhou G, de Haan LT. Preparation of an Interpenetrating Network of a Poly(ampholyte) and a Cholesteric Polymer and Investigation of Its Hydrochromic Properties. ACS APPLIED MATERIALS & INTERFACES 2019; 11:36044-36051. [PMID: 31525959 DOI: 10.1021/acsami.9b10013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A new water-responsive photonic coating based on a hygroscopic amphoteric poly(ampholyte) has been developed. The material consists of an interpenetrating network between the poly(ampholyte) and a cholesteric liquid crystalline polymer that reflects light. Swelling of this hybrid material upon contact with water causes a red-shift of the reflection band. As both cation and anion are incorporated in the ionic network, this coating possesses a high stability of its water responsiveness after prolonged and/or repeated exposure to water, even if the water contains dissolved ions. In addition, optimization of the water response of the coatings is demonstrated by changing the composition of the base cholesteric mixture, and color patterns were prepared through selective UV exposure.
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Affiliation(s)
- Zixuan Deng
- SCNU-TUE Joint Laboratory of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics, and Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics , South China Normal University , Guangzhou 510006 , Guangdong , China
| | - Guofu Zhou
- SCNU-TUE Joint Laboratory of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics, and Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics , South China Normal University , Guangzhou 510006 , Guangdong , China
- Shenzhen Guohua Optoelectronics Tech. Co. Ltd. , Shenzhen 518110 , P. R. China
- Academy of Shenzhen Guohua Optoelectronics , Shenzhen 518110 , P. R. China
| | - Laurens T de Haan
- SCNU-TUE Joint Laboratory of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics, and Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics , South China Normal University , Guangzhou 510006 , Guangdong , China
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124
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Ishioka S, Watanabe K, Imai H, Tseng YJ, Peng CH, Oaki Y. Glass-transition-induced color-changing resins containing layered polydiacetylene. Chem Commun (Camb) 2019; 55:11723-11726. [PMID: 31512688 DOI: 10.1039/c9cc05303d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A phase-segregated composite of polystyrene (PSt) and layered polydiacetylene (PDA) was formed through simultaneous polymerization and crystallization. As the motion of PSt chains with glass transition is transferred to that of PDA, the color change was achieved by the shortening of the conjugation length with deformation of the layered structure.
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Affiliation(s)
- Shuhei Ishioka
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Kei Watanabe
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Hiroaki Imai
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
| | - Yu-Jen Tseng
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chi-How Peng
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Yuya Oaki
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
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125
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Dong Y, Bazrafshan A, Pokutta A, Sulejmani F, Sun W, Combs JD, Clarke KC, Salaita K. Chameleon-Inspired Strain-Accommodating Smart Skin. ACS NANO 2019; 13:9918-9926. [PMID: 31507164 PMCID: PMC6941885 DOI: 10.1021/acsnano.9b04231] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Stimuli-responsive color-changing hydrogels, commonly colored using embedded photonic crystals (PCs), have potential applications ranging from chemical sensing to camouflage and anti-counterfeiting. A major limitation in these PC hydrogels is that they require significant deformation (>20%) in order to change the PC lattice constant and generate an observable chromatic shift (∼100 nm). By analyzing the mechanism of how chameleon skin changes color, we developed a strain-accommodating smart skin (SASS), which maintains near-constant size during chromatic shifting. SASS is composed of two types of hydrogels: a stimuli-responsive, PC-containing hydrogel that is patterned within a second hydrogel with robust mechanical properties, which permits strain accommodation. In contrast to conventional "accordion"-type PC responsive hydrogels, SASS maintains near-constant volume during chromatic shifting. Importantly, SASS materials are stretchable (strain ∼150%), amenable to patterning, spectrally tunable, and responsive to both heat and natural sunlight. We demonstrate examples of using SASS for biomimicry. Our strategy, to embed responsive materials within a mechanically matched scaffolding polymer, provides a general framework to guide the future design of artificial smart skins.
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Affiliation(s)
- Yixiao Dong
- Department of Chemistry, Emory University, Atlanta, GA, USA
| | | | - Anastassia Pokutta
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, GA, USA
| | - Fatiesa Sulejmani
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, GA, USA
| | - Wei Sun
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, GA, USA
| | - J. Dale Combs
- Department of Chemistry, Emory University, Atlanta, GA, USA
| | | | - Khalid Salaita
- Department of Chemistry, Emory University, Atlanta, GA, USA
- Corresponding Author
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126
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Materials tactile logic via innervated soft thermochromic elastomers. Nat Commun 2019; 10:4187. [PMID: 31519906 PMCID: PMC6744443 DOI: 10.1038/s41467-019-12161-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 08/16/2019] [Indexed: 01/19/2023] Open
Abstract
Conventional machines rely on rigid, centralized electronic components to make decisions, which limits complexity and scaling. Here, we show that decision making can be realized on the material-level without relying on semiconductor-based logic. Inspired by the distributed decision making that exists in the arms of an octopus, we present a completely soft, stretchable silicone composite doped with thermochromic pigments and innervated with liquid metal. The ability to deform the liquid metal couples geometric changes to Joule heating, thus enabling tunable thermo-mechanochromic sensing of touch and strain. In more complex circuits, deformation of the metal can redistribute electrical energy to distal portions of the network in a way that converts analog tactile ‘inputs’ into digital colorimetric ‘outputs’. Using the material itself as the active player in the decision making process offers possibilities for creating entirely soft devices that respond locally to environmental interactions or act as embedded sensors for feedback loops. Designing bio-inspired computational features in soft systems without centralized processing remains challenging. Here, the authors propose a passive display based on thermochromic elastomers by leveraging Joule heating of embedded liquid metal wires by changing geometry in response to deformation.
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127
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Niu W, Zhang L, Wang Y, Wang Z, Zhao K, Wu S, Zhang S, Tok AIY. Multicolored Photonic Crystal Carbon Fiber Yarns and Fabrics with Mechanical Robustness for Thermal Management. ACS APPLIED MATERIALS & INTERFACES 2019; 11:32261-32268. [PMID: 31394900 DOI: 10.1021/acsami.9b09459] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Multicolored photonic crystal carbon fiber (CF) yarns and fabrics with mechanical robustness in a full spectrum are reported. By facilely controlling the thickness of the periodic layer, a series of photonic CF yarns and fabrics with vivid structural colors ranging from purple, green, yellow, orange, to red are obtained. Interestingly, the prepared multicolored CF yarns show anisotropic optical reflection properties because of their unique axisymmetric geometry, while the plain-woven fabrics exhibit vivid colors even under ambient scattering light. Most importantly, they can withstand cyclical mechanical rubbing, laundering, and accelerated light aging, indicating great potential for practical uses. Finally, considering such impressive characteristics as well as reflection in the visible and near-infrared regions, the above photonic crystal microstructure is further used as a new material for the application of outdoor reflective cooling of the textile surface, demonstrating a superior temperature reduction up to ∼12 °C with respect to the control sample.
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Affiliation(s)
- Wenbin Niu
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Lele Zhang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Yunpeng Wang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Zhiwei Wang
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
| | - Kai Zhao
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Suli Wu
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Shufen Zhang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Alfred Iing Yoong Tok
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
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128
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Chen F, Zhu Y, Zhang Q, Yang R, Qin D, Xiong Z. Secret Paper with Vinegar as an Invisible Security Ink and Fire as a Decryption Key for Information Protection. Chemistry 2019; 25:10918-10925. [DOI: 10.1002/chem.201902093] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Fei‐Fei Chen
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050 P.R. China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Ying‐Jie Zhu
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050 P.R. China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Qiang‐Qiang Zhang
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050 P.R. China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Ri‐Long Yang
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050 P.R. China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Dong‐Dong Qin
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050 P.R. China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P.R. China
| | - Zhi‐Chao Xiong
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050 P.R. China
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129
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Xiong R, Chen M, Cui X, Wang Q, Liu X, Geng B. Simultaneous and Reversible Triggering of the Phase Transfer and Luminescence Change of Amidine-Modified Carbon Dots by CO 2. ACS APPLIED MATERIALS & INTERFACES 2019; 11:22851-22857. [PMID: 31198041 DOI: 10.1021/acsami.9b05421] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The ability to reversibly manipulate the surface nature of luminescent nanoparticles upon external stimulation enables the development of advanced optical probes for biological sensing and data encoding. Herein, we report the synthesis of a new class of smart carbon dots (CDs) via surface modification of amine-enriched CDs with CO2-responsive groups of amidine. We present that alternative CO2 and N2 bubbling can not only lead to a reversible phase transfer of the CDs between an organic phase and an aqueous phase but also give rise to a corresponding reversible luminescence change between blue and cyan-green. We attribute these observations to changes in both the surface chemistry and the emission states of the CDs triggered by the alternative CO2/N2 introduction. We also find a similar luminescence change of the CDs upon alternative exposure to a humid vapor of CO2 and a mixture of NH3 and N2 at room temperature, allowing them to be used as a new class of optical materials for optical encoding.
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Affiliation(s)
- Rui Xiong
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Meiling Chen
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Xin Cui
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Qi Wang
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Xiaowang Liu
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Baoyou Geng
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
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130
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Yang D, Liao G, Huang S. Hand Painting of Noniridescent Structural Multicolor through the Self-Assembly of YOHCO 3 Colloids and Its Application for Anti-Counterfeiting. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:8428-8435. [PMID: 31199656 DOI: 10.1021/acs.langmuir.9b01571] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
YOHCO3 colloidal particles with tunable size, composition, and optical properties were prepared, and they were used for the fabrication of amorphous photonic crystals? (APCs) patterns through direct hand painting. YOHCO3 colloids were synthesized by a seeding growth method, in which the colloid size could be controlled by altering the seed amounts and the composition and optical properties can be altered via the doping of Eu3+. APCs? films with bright, permanent, and tunable structural colors were prepared by the self-assembly of YOHCO3 colloids of different sizes. Multicolor patterns can be obtained quickly and efficiently by hand painting with the dispersion of YOHCO3 colloids as ink. An APCs? pattern assembled from YOHCO3:Eu colloids is also fabricated, and the pattern shows blue structural color under natural light and bright red colors under illumination of UV light. The facile synthesis procedure, simple assembly process, and unique optical properties of the APCs make it valuable for practical applications such as structural color-based printing and anticounterfeiting.
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Affiliation(s)
- Dongpeng Yang
- School of Materials and Energy , Guangdong University of Technology , Guangzhou 510006 , P. R. China
| | - Guolong Liao
- Zhejiang Key Laboratory of Carbon Materials , Wenzhou University , Wenzhou 325027 , P. R. China
| | - Shaoming Huang
- School of Materials and Energy , Guangdong University of Technology , Guangzhou 510006 , P. R. China
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131
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Fu F, Chen Z, Wang H, Liu C, Liu Y, Zhao Y. Graphene hybrid colloidal crystal arrays with photo-controllable structural colors. NANOSCALE 2019; 11:10846-10851. [PMID: 31135009 DOI: 10.1039/c9nr03250a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
An intelligent structural color hydrogel with photo-controllable capability was developed by adding graphene oxide (GO) into colloidal particle solutions. The high charge characteristic of GO could significantly enhance the electrostatic repulsion effect between adjacent particles and promote the ordered assembly of the colloidal particles. The resultant colloidal crystal arrays (CCAs) with a small amount of GO additive were imparted with vivid angle-dependent structural colors due to the enhanced photon absorption of the hybrid materials, whereas their structural colors became dull and angle-independent with a high GO concentration, which contributes to the isotropic short-range ordered CAA nanostructures. It was demonstrated that the GO hybrid structural color hydrogels with temperature-sensitive polymer components featured photo-responsive properties, which provided remotely controllable dynamic structural colors for different patterns. These features of the GO hybrid structural color hydrogels make them promising for the applications of anti-counterfeiting barcode and other related fields.
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Affiliation(s)
- Fanfan Fu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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132
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Conley GM, Zhang C, Aebischer P, Harden JL, Scheffold F. Relationship between rheology and structure of interpenetrating, deforming and compressing microgels. Nat Commun 2019; 10:2436. [PMID: 31164639 PMCID: PMC6547648 DOI: 10.1038/s41467-019-10181-5] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Accepted: 04/23/2019] [Indexed: 11/30/2022] Open
Abstract
Thermosensitive microgels are widely studied hybrid systems combining properties of polymers and colloidal particles in a unique way. Due to their complex morphology, their interactions and packing, and consequentially the viscoelasticity of suspensions made from microgels, are still not fully understood, in particular under dense packing conditions. Here we study the frequency-dependent linear viscoelastic properties of dense suspensions of micron sized soft particles in conjunction with an analysis of the local particle structure and morphology based on superresolution microscopy. By identifying the dominating mechanisms that control the elastic and dissipative response, we can explain the rheology of these widely studied soft particle assemblies from the onset of elasticity deep into the overpacked regime. Interestingly, our results suggest that the friction between the microgels is reduced due to lubrification mediated by the polymer brush-like corona before the onset of interpenetration.
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Affiliation(s)
- Gaurasundar M Conley
- Department of Physics, University of Fribourg, Chemin du Musée 3, 1700, Fribourg, Switzerland
| | - Chi Zhang
- Department of Physics, University of Fribourg, Chemin du Musée 3, 1700, Fribourg, Switzerland
| | - Philippe Aebischer
- Department of Physics, University of Fribourg, Chemin du Musée 3, 1700, Fribourg, Switzerland
| | - James L Harden
- Department of Physics, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
| | - Frank Scheffold
- Department of Physics, University of Fribourg, Chemin du Musée 3, 1700, Fribourg, Switzerland.
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133
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Yuan W, Li Q, Zhou N, Zhang S, Ding C, Shi L, Zhang KQ. Structural Color Fibers Directly Drawn from Colloidal Suspensions with Controllable Optical Properties. ACS APPLIED MATERIALS & INTERFACES 2019; 11:19388-19396. [PMID: 31067026 DOI: 10.1021/acsami.8b21070] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Fibers with structural colors are of great interest due to their unique dye-free optical properties and show great potential in the textile industry. However, the preparation of structural color fibers with controllable optical properties in a simple way is still a challenge. In this paper, we prepared structural color fibers by simply drawing bare fibers from colloid suspensions. The obtained fibers displayed brilliant colors due to the assembled photonic crystal structures on the surface. The layer numbers of colloid coatings were tunable by varying the drawing speeds, concentration of colloid suspension, and diameters of core fibers. The optical properties of the obtained structural color fibers varied by layer numbers, viewing angles, and structure defects and were systematically studied both by experimental measurements and by computer simulations. Furthermore, noncrack blue fibers were demonstrated by coating "soft" poly[styrene- co-(butyl acrylate)- co-(acrylic acid)] (P(St-BA-AA)) polymer spheres on PET fibers. The coating was mechanically robust and made the fiber bendable with weaving ability, which means this method has versatile applicability and could be potentially used for green textile dyeing.
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Affiliation(s)
- Wei Yuan
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering , Soochow University , Suzhou 215123 , China
- Printable Electronics Research Centre , Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences , Suzhou 215123 , China
| | - Qingsong Li
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering , Soochow University , Suzhou 215123 , China
| | - Ning Zhou
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering , Soochow University , Suzhou 215123 , China
| | - Suming Zhang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering , Soochow University , Suzhou 215123 , China
| | - Chen Ding
- Printable Electronics Research Centre , Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences , Suzhou 215123 , China
| | - Lei Shi
- Department of Physics, Key Laboratory of Micro and Nano Photonic Structures (MOE) and Key Laboratory of Surface Physics , Fudan University , Shanghai 200433 , China
| | - Ke-Qin Zhang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering , Soochow University , Suzhou 215123 , China
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134
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Kohri M, Tamai Y, Kawamura A, Jido K, Yamamoto M, Taniguchi T, Kishikawa K, Fujii S, Teramoto N, Ishii H, Nagao D. Ellipsoidal Artificial Melanin Particles as Building Blocks for Biomimetic Structural Coloration. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:5574-5580. [PMID: 30933525 DOI: 10.1021/acs.langmuir.9b00400] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Inspired by the structural coloration of anisotropic materials in nature, we demonstrate the preparation of structural color materials by the assembly of anisotropic particles. Spherical artificial melanin particles consisting of a polystyrene core and polydopamine shell were stretched asymmetrically to form uniform-sized ellipsoidal particles with different aspect ratios. The aspect ratio and assembly method of the ellipsoidal particles influence the structural coloration, indicating that the particle shape is one of the important parameters for controlling the structural coloration. The discovery of a method to control the structural color using ellipsoidal particles is useful in basic research on structural colors in nature and provides flexibility in material design and extends the application range of structural color materials.
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Affiliation(s)
- Michinari Kohri
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Yuki Tamai
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Ayaka Kawamura
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Keita Jido
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Mikiya Yamamoto
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Tatsuo Taniguchi
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Keiki Kishikawa
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | | | - Naozumi Teramoto
- Department of Applied Chemistry, Faculty of Engineering , Chiba Institute of Technology , 2-17-1 Tsudanuma , Narashino , Chiba 275-0016 , Japan
| | - Haruyuki Ishii
- Department of Chemical Engineering , Tohoku University , 6-6-07 Aoba , Aramaki-aza Aoba-ku, Sendai 980-8579 , Japan
| | - Daisuke Nagao
- Department of Chemical Engineering , Tohoku University , 6-6-07 Aoba , Aramaki-aza Aoba-ku, Sendai 980-8579 , Japan
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135
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Luo Z, Evans BA, Chang CH. Magnetically Actuated Dynamic Iridescence Inspired by the Neon Tetra. ACS NANO 2019; 13:4657-4666. [PMID: 30889354 DOI: 10.1021/acsnano.9b00822] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Inspired by the tropical fish neon tetra, we report a mechanism to achieve dynamic iridescence that can be magnetically tuned. This approach is based on the tilting of periodic photonic nanostructures, as opposed to the more common strain-induced color tuning. In this method, a periodic array of magnetic nanopillars serves as a template to guide the assembly of iron oxide nanoparticles when magnetized in a liquid environment. The periodic local fields induced by the magnetic template anchor the assembled particle columns, allowing the structure to tilt about the base when the angle of the applied field is changed. This effect emulates a microscopic "Venetian blind" and results in dynamic optical properties through structural coloration that is tunable in real time. The fabricated prototype demonstrates tunable reflectance spectra with peak wavelength shift from 528 to 720 nm. The magnetic actuation mechanism is reversible and has a fast response time around 0.3 s. This structure can be implemented on an arbitrary surface as dynamic camouflage, iridescent display, and tunable photonic elements, as well as in other applications such as active fluidic devices and particle manipulation.
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Affiliation(s)
- Zhiren Luo
- Department of Mechanical and Aerospace Engineering , North Carolina State University , Raleigh , North Carolina 27695 , United States
| | - Benjamin Aaron Evans
- Department of Physics , Elon University , Elon , North Carolina 27244 , United States
| | - Chih-Hao Chang
- Department of Mechanical and Aerospace Engineering , North Carolina State University , Raleigh , North Carolina 27695 , United States
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136
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Dual-response of temperature and humidity asymmetrical cotton fabric prepared based on thiol-ene click chemistry. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.01.050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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137
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Yu S, Dong S, Jiao X, Li C, Chen D. Ultrathin Photonic Polymer Gel Films Templated by Non-Close-Packed Monolayer Colloidal Crystals to Enhance Colorimetric Sensing. Polymers (Basel) 2019; 11:polym11030534. [PMID: 30960518 PMCID: PMC6473593 DOI: 10.3390/polym11030534] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 03/15/2019] [Accepted: 03/17/2019] [Indexed: 01/04/2023] Open
Abstract
Responsive polymer-based sensors have attracted considerable attention due to their ability to detect the presence of analytes and convert the detected signal into a physical and/or chemical change. High responsiveness, fast response speed, good linearity, strong stability, and small hysteresis are ideal, but to gain these properties at the same time remains challenging. This paper presents a facile and efficient method to improve the photonic sensing properties of polymeric gels by using non-close-packed monolayer colloidal crystals (ncp MCCs) as the template. Poly-(2-vinyl pyridine) (P2VP), a weak electrolyte, was selected to form the pH-responsive gel material, which was deposited onto ncp MCCs obtained by controlled O₂ plasma etching of close-packed (cp) MCCs. The resultant ultrathin photonic polymer gel film (UPPGF) exhibited significant improvement in responsiveness and linearity towards pH sensing compared to those prepared using cp MCCs template, achieving fast visualized monitoring of pH changes with excellent cyclic stability and small hysteresis loop. The responsiveness and linearity were found to depend on the volume and filling fraction of the polymer gel. Based on a simple geometric model, we established that the volume increased first and then decreased with the decrease of template size, but the filling fraction increased all the time, which was verified by microscopy observations. Therefore, the responsiveness and linearity of UPPGF to pH can be improved by simply adjusting the etching time of oxygen plasma. The well-designed UPPGF is reliable for visualized monitoring of analytes and their concentrations, and can easily be combined in sensor arrays for more accurate detection.
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Affiliation(s)
- Shimo Yu
- National Engineering Research Center for Colloidal Materials and School of Chemistry and Chemical Engineering, Shandong University, Ji'nan 250100, China.
| | - Shun Dong
- National Engineering Research Center for Colloidal Materials and School of Chemistry and Chemical Engineering, Shandong University, Ji'nan 250100, China.
| | - Xiuling Jiao
- National Engineering Research Center for Colloidal Materials and School of Chemistry and Chemical Engineering, Shandong University, Ji'nan 250100, China.
| | - Cheng Li
- National Engineering Research Center for Colloidal Materials and School of Chemistry and Chemical Engineering, Shandong University, Ji'nan 250100, China.
| | - Dairong Chen
- National Engineering Research Center for Colloidal Materials and School of Chemistry and Chemical Engineering, Shandong University, Ji'nan 250100, China.
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138
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Zhang X, Chen L, Lim KH, Gonuguntla S, Lim KW, Pranantyo D, Yong WP, Yam WJT, Low Z, Teo WJ, Nien HP, Loh QW, Soh S. The Pathway to Intelligence: Using Stimuli-Responsive Materials as Building Blocks for Constructing Smart and Functional Systems. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1804540. [PMID: 30624820 DOI: 10.1002/adma.201804540] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 10/09/2018] [Indexed: 05/22/2023]
Abstract
Systems that are intelligent have the ability to sense their surroundings, analyze, and respond accordingly. In nature, many biological systems are considered intelligent (e.g., humans, animals, and cells). For man-made systems, artificial intelligence is achieved by massively sophisticated electronic machines (e.g., computers and robots operated by advanced algorithms). On the other hand, freestanding materials (i.e., not tethered to a power supply) are usually passive and static. Hence, herein, the question is asked: can materials be fabricated so that they are intelligent? One promising approach is to use stimuli-responsive materials; these "smart" materials use the energy supplied by a stimulus available from the surrounding for performing a corresponding action. After decades of research, many interesting stimuli-responsive materials that can sense and perform smart functions have been developed. Classes of functions discussed include practical functions (e.g., targeting and motion), regulatory functions (e.g., self-regulation and amplification), and analytical processing functions (e.g., memory and computing). The pathway toward creating truly intelligent materials can involve incorporating a combination of these different types of functions into a single integrated system by using stimuli-responsive materials as the basic building blocks.
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Affiliation(s)
- Xuan Zhang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Linfeng Chen
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Kang Hui Lim
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Spandhana Gonuguntla
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Kang Wen Lim
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Dicky Pranantyo
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Wai Pong Yong
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Wei Jian Tyler Yam
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Zhida Low
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Wee Joon Teo
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Hao Ping Nien
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Qiao Wen Loh
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Siowling Soh
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
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139
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Banisadr S, Oyefusi A, Chen J. A Versatile Strategy for Transparent Stimuli-Responsive Interference Coloration. ACS APPLIED MATERIALS & INTERFACES 2019; 11:7415-7422. [PMID: 30673205 DOI: 10.1021/acsami.8b21290] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The bioinspired stimuli-responsive structural coloration offers a wide variety of potential applications, ranging from sensing to camouflage to intelligent textiles. Because of its design simplicity, which does not require multilayers of materials with alternative refractive indices or micro- and nanostructures, thin film interference represents a promising solution toward scalable and affordable manufacturing of high-quality responsive structural coloration systems. However, thin films of polymers with appropriate thickness generally do not exhibit visible structural colors if they are directly deposited on transparent substrates such as glass. In this work, a versatile new strategy that enables transparent stimuli-responsive interference coloration (RIC) in the polymer-metal-substrate system is presented. The key concept is to use an ultrathin metal layer as an optical filter instead of high refractive index substrate or highly reflective substrate. Such an optical filter layer allows tuning of the degree of transparency, the constructive interference reflection light, and complementary destructive interference transmission light via changing the metal layer thickness. Real-time, continuous, colorimetric RIC sensors for humidity, organic vapor, and temperature are demonstrated by using different stimuli-responsive polymers. The transparent RIC film on glass shows strong coupling of constructive interference reflected colors and complementary destructive interference transmitted colors on opposite sides of the film. Such transparent RIC film allows for the proof-of-concept demonstration of a self-reporting, humidity-sensing window.
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Affiliation(s)
- Seyedali Banisadr
- Department of Chemistry and Biochemistry , University of Wisconsin-Milwaukee , Milwaukee , Wisconsin 53211 , United States
| | - Adebola Oyefusi
- Department of Chemistry and Biochemistry , University of Wisconsin-Milwaukee , Milwaukee , Wisconsin 53211 , United States
| | - Jian Chen
- Department of Chemistry and Biochemistry , University of Wisconsin-Milwaukee , Milwaukee , Wisconsin 53211 , United States
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140
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Synthesis of Furan-Substituted N-Heteroacene-Based Liquid Material and Its Acid-Recognizing Behavior. CRYSTALS 2019. [DOI: 10.3390/cryst9010051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this study, we synthesized a novel N-heteroacene-based liquid material 6,7-bis(3,7,11-trimethyl-1-dodecyloxy)-2,3-difurylquinoxaline (RPNL 1), containing two furan rings. We revealed that RPNL 1 adopted a disordered liquid at 25 ∘ C, determined by polarized optical microscopic observation, differential scanning calorimetry, and X-ray diffraction measurements. The fluorescent spectrum measurement revealed that RPNL 1 showed a blue emission at 25 ∘ C. Dissolving benzene sulfonic acid (BSA) in RPNL 1 brought about dramatic changes in its physical properties, such as emission colors, as well as sample states. Upon recognizing BSA, photoluminescent color was changed into orange, as well as phase transition occurred from liquid to a liquid-crystalline phase. RPNL 1 can function as an acid-recognizing material, accompanied with the color changes in emission.
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141
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van Heeswijk EPA, Kragt AJJ, Grossiord N, Schenning APHJ. Environmentally responsive photonic polymers. Chem Commun (Camb) 2019; 55:2880-2891. [DOI: 10.1039/c8cc09672d] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This feature article focuses on photonic polymers that change colouration due to an environmental stimulus and highlights their industrial feasibility.
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Affiliation(s)
- Ellen P. A. van Heeswijk
- Stimuli-responsive Functional Materials and Devices
- Department of Chemical Engineering
- Eindhoven University of Technology
- 5600 MB Eindhoven
- The Netherlands
| | - Augustinus J. J. Kragt
- Stimuli-responsive Functional Materials and Devices
- Department of Chemical Engineering
- Eindhoven University of Technology
- 5600 MB Eindhoven
- The Netherlands
| | - Nadia Grossiord
- SABIC
- T&I, Plasticslaan 1
- 4612 PX Bergen op Zoom
- The Netherlands
| | - Albertus P. H. J. Schenning
- Stimuli-responsive Functional Materials and Devices
- Department of Chemical Engineering
- Eindhoven University of Technology
- 5600 MB Eindhoven
- The Netherlands
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142
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Ailincai D, Pamfil D, Marin L. Multiple bio-responsive polymer dispersed liquid crystal composites for sensing applications. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.09.125] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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143
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Abstract
By selecting the core materials and grafted-hair polymers, hairy particles with polymer brushes can create various types of functional materials. In recent years, polydopamine (PDA) particles that are obtained by polymerizing dopamine, which is an amino acid derivative, have attracted attention for various applications. Herein, we present a novel approach for creating photonic and magnetic materials from hairy PDA particles. By grafting a hydrophilic hair polymer, we have succeeded in producing photonic materials capable of structural color changes. Furthermore, we have demonstrated the preparation of magnetic materials by immobilizing holmium, which is one of the lanthanide elements, by electrostatic interactions onto a cationic hair polymer. These results demonstrate the possibility of hairy PDA particles for a wide range of applications, such as for photonic and magnetic materials.
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144
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Iwasaki T, Tamai Y, Yamamoto M, Taniguchi T, Kishikawa K, Kohri M. Melanin Precursor Influence on Structural Colors from Artificial Melanin Particles: PolyDOPA, Polydopamine, and Polynorepinephrine. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:11814-11821. [PMID: 30183312 DOI: 10.1021/acs.langmuir.8b02444] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Polydopamine (PDA) is of interest as a mimetic material of melanin to produce structural color materials. Herein, to investigate the influence of the material composition of the artificial melanin particles on structural color, we demonstrated the preparation of core-shell particles by polymerization of norepinephrine or 3,4-dihydroxyphenylalanine, which are melanin precursors similar to dopamine, in the presence of polystyrene particles. It was revealed that the arrays of the prepared particles produce high-visibility structural color because of absorption of scattering light. Although poly(3,4-dihydroxyphenylalanine) showed the same tendency as PDA which was previous studied, polynorepinephrine can easily produce a smooth and thick shell layer compared with that of PDA, and pellets consisting of the particles showed angle-dependent structural color. Therefore, the artificial melanin particles that produce angle-dependent structural color became stable than ever before. These results indicated that material compositions of artificial melanin particles have influence on structural color, and an important finding for application as a coloring material was obtained.
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Affiliation(s)
- Takeshi Iwasaki
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
- Fundamental Technology Division, Research Institute , National Printing Bureau , 6-4-20 Sakawa , Odawara , Kanagawa 256-0816 , Japan
| | - Yuki Tamai
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Mikiya Yamamoto
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Tatsuo Taniguchi
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Keiki Kishikawa
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
| | - Michinari Kohri
- Division of Applied Chemistry and Biotechnology, Graduate School of Engineering , Chiba University , 1-33 Yayoi-cho , Inage-ku, Chiba 263-8522 , Japan
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