1
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Sun W, Song Z, Wang J, Yi Z, He M. Preparation of patterned hydrogels for anti-counterfeiting and directional actuation by shear-induced orientation of cellulose nanocrystals. Carbohydr Polym 2024; 332:121946. [PMID: 38431424 DOI: 10.1016/j.carbpol.2024.121946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/23/2024] [Accepted: 02/10/2024] [Indexed: 03/05/2024]
Abstract
Hydrogels with anisotropic structures are of great interest in the fields of bionic actuators, sensing and anti-counterfeiting due to their unique optical and stimulus response properties. Here we report an anisotropic cellulose nanocrystals/polyacrylamide (CNC/PAM) hydrogel with a patterned structure obtained by shear-induced orientation of CNC in precursor solution. Due to the difference in affinity between different slider surfaces and the precursor, patterned structures with different interference colors were realized by adhering the polypropylene (PP) film with a specific pattern to the bottom glass slider, which leads to differences in CNC orientation in different areas. These interfere color patterns can only be observed between crossed polarization, allowing the hydrogel to be used in applications of anti-counterfeiting and information encryption. Moreover, a complex and controllable 3D deformation is realized by introducing "zebra crossing" structure in the hydrogel. The opening and closing processes of flowers are vividly mimicked using the reversible swelling and shrinking properties of hydrogels in water and salt solutions, making the hydrogel promising for soft actuators.
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Affiliation(s)
- Wen Sun
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Zengbin Song
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Jian Wang
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Zhaodi Yi
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Ming He
- College of Science, Nanjing Forestry University, Nanjing 210037, China.
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2
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Park SM, Yoon DK. Evaporation-induced self-assembly of liquid crystal biopolymers. MATERIALS HORIZONS 2024; 11:1843-1866. [PMID: 38375871 DOI: 10.1039/d3mh01585h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Evaporation-induced self-assembly (EISA) is a process that has gained significant attention in recent years due to its fundamental science and potential applications in materials science and nanotechnology. This technique involves controlled drying of a solution or dispersion of materials, forming structures with specific shapes and sizes. In particular, liquid crystal (LC) biopolymers have emerged as promising candidates for EISA due to their highly ordered structures and biocompatible properties after deposition. This review provides an overview of recent progress in the EISA of LC biopolymers, including DNA, nanocellulose, viruses, and other biopolymers. The underlying self-assembly mechanisms, the effects of different processing conditions, and the potential applications of the resulting structures are discussed.
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Affiliation(s)
- Soon Mo Park
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea.
- Department of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Dong Ki Yoon
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea.
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3
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Wang Q, Niu W, Feng S, Liu J, Liu H, Zhu Q. Accelerating Cellulose Nanocrystal Assembly into Chiral Nanostructures. ACS NANO 2023. [PMID: 37464327 DOI: 10.1021/acsnano.3c03797] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Cellulose nanocrystal (CNC) suspensions self-assembled into chiral nematic liquid crystals. This property has enabled the development of versatile optical materials with fascinating properties. Nevertheless, the scale-up production and commercial success of chiral nematic CNC superstructures face significant challenges. Fabrication of chiral nematic CNC nanostructures suffers from a ubiquitous pernicious trade-off between uniform chiral nematic structure and rapid self-assembly. Specifically, the chiral nematic assembly of CNCs is a time-consuming, spontaneous process that involves the organization of particles into ordered nanostructures as the solvent evaporates. This review is driven by the interest in accelerating chiral nematic CNC assembly and promoting a long-range oriented chiral nematic CNC superstructure. To start this review, the chirality origins of CNC and CNC aggregates are analyzed. This is followed by a summary of the recent advances in stimuli-accelerated chiral nematic CNC self-assembly procedures, including evaporation-induced self-assembly, continuous coating, vacuum-assisted self-assembly, and shear-induced CNC assembly under confinement. In particular, stimuli-induced unwinding, alignment, and relaxation of chiral nematic structures were highlighted, offering a significant link between the accelerated assembly approaches and uniform chiral nematic nanostructures. Ultimately, future opportunities and challenges for rapid chiral nematic CNC assembly are discussed for more innovative and exciting applications.
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Affiliation(s)
- Qianqian Wang
- Biofuels Institute, School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Wen Niu
- Biofuels Institute, School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Shixuan Feng
- Biofuels Institute, School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Jun Liu
- Biofuels Institute, School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Huan Liu
- Biofuels Institute, School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Qianqian Zhu
- Biofuels Institute, School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
- Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200438, China
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4
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Abbasi Moud A, Abbasi Moud A. Flow and assembly of cellulose nanocrystals (CNC): A bottom-up perspective - A review. Int J Biol Macromol 2023; 232:123391. [PMID: 36716841 DOI: 10.1016/j.ijbiomac.2023.123391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/28/2023]
Abstract
Cellulosic sources, such as lignocellulose-rich biomass, can be mechanically or acid degraded to produce inclusions called cellulose nanocrystals (CNCs). They have several uses in the sectors of biomedicine, photonics, and material engineering because of their biodegradability, renewability, sustainability, and mechanical qualities. The processing and design of CNC-based products are inextricably linked to the rheological behaviour of CNC suspension or in combination with other chemicals, such as surfactants or polymers; in this context, rheology offers a significant link between microstructure and macro scale flow behaviour that is intricately linked to material response in applications. The flow behaviour of CNC items must be properly specified in order to produce goods with value-added characteristics. In this review article, we provide new research on the shear rheology of CNC dispersion and CNC-based hydrogels in the linear and nonlinear regime, with storage modulus values reported to range from ~10-3 to 103 Pa. Applications in technology and material science are also covered simultaneously. We carefully examined the effects of charge density, aspect ratio, concentration, persistence length, alignment, liquid crystal formation, the cause of chirality in CNCs, interfacial behaviour and interfacial rheology, linear and nonlinear viscoelasticity of CNC suspension in bulk and at the interface using the currently available literature.
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Affiliation(s)
- Aref Abbasi Moud
- Department of Chemical and Biological Engineering, The University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada; Biomedical Engineering Department, AmirKabir University of Technology, P.O. Box 15875/4413, PC36+P45 District 6, Tehran, Tehran Province 1591634311, Iran.
| | - Aliyeh Abbasi Moud
- Biomedical Engineering Department, AmirKabir University of Technology, P.O. Box 15875/4413, PC36+P45 District 6, Tehran, Tehran Province 1591634311, Iran
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5
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Multilayered nature in crystallization of polymer droplets studied by MD simulations: Orientation and entanglement. POLYMER 2023. [DOI: 10.1016/j.polymer.2023.125696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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6
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Wang H, Shao R, Meng X, He Y, Shi Z, Guo Z, Ye C. Programmable Birefringent Patterns from Modulating the Localized Orientation of Cellulose Nanocrystals. ACS APPLIED MATERIALS & INTERFACES 2022; 14:36277-36286. [PMID: 35916232 DOI: 10.1021/acsami.2c12205] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Birefringence has been attracting broad attention due to its strong potential for applications in biomedicine and optics, such as biomedical diagnosis, colorimetric sensing, retardant, and polarization encoding. However, engineering architectures with precisely controllable birefringence remains a challenge due to the lack of effective modulation of the localized orientation. Here, by taking advantage of the inherently one-dimensional (1D) anisotropic structure of cellulose nanocrystals (CNCs), we demonstrate an approach to tune the alignment of CNCs with a well-controllable orientation at localized preciseness, which is in contrast to the previously reported unidirectional/radical orientation of CNC-based birefringent structures. The localized modulation of CNC orientation is facilitated by directing the 1D nanocrystals to align along the template periphery and the migrated three-phase contact line during the evaporation. The resultant CNC films exhibit birefringent extinction patterns under polarized light, in which versatile pattern designs can be obtained by employing templates with different shapes and template arrays with varied layouts. Due to the locally modulated orientation of CNCs, the films indicate "kaleidoscope-like" dynamically transformable designs of the birefringent patterns depending on the polarized angle, which has barely been observed previously. Furthermore, an N-nary encoding system for abundant information storage is demonstrated based on the sunlight-transparent CNC films, but with visible extinction patterns under polarized light, which is promising for encryptions, anticounterfeiting, and imaging, enriching the attractive research area of bio-based photonics.
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Affiliation(s)
- Han Wang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Rongrong Shao
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Xiao Meng
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yisheng He
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Zhaojie Shi
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Zhen Guo
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Chunhong Ye
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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Li B, Zhao Y, Chen X, Wang Z, Xu J, Shi W. Polymer Crystallization with Configurable Birefringence in Double Emulsion Droplets. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Baihui Li
- Key Laboratory of Functional Polymer Materials of Ministry of Education; Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yue Zhao
- Key Laboratory of Functional Polymer Materials of Ministry of Education; Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiaotong Chen
- Key Laboratory of Functional Polymer Materials of Ministry of Education; Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Zhiqi Wang
- Advanced Materials Laboratory of Ministry of Education, Department of Chemical Engineering, Tsinghua University, 100084 Beijing, China
| | - Jun Xu
- Advanced Materials Laboratory of Ministry of Education, Department of Chemical Engineering, Tsinghua University, 100084 Beijing, China
| | - Weichao Shi
- Key Laboratory of Functional Polymer Materials of Ministry of Education; Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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8
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Hynninen V, Patrakka J, Nonappa. Methylcellulose-Cellulose Nanocrystal Composites for Optomechanically Tunable Hydrogels and Fibers. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5137. [PMID: 34576360 PMCID: PMC8465715 DOI: 10.3390/ma14185137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 12/18/2022]
Abstract
Chemical modification of cellulose offers routes for structurally and functionally diverse biopolymer derivatives for numerous industrial applications. Among cellulose derivatives, cellulose ethers have found extensive use, such as emulsifiers, in food industries and biotechnology. Methylcellulose, one of the simplest cellulose derivatives, has been utilized for biomedical, construction materials and cell culture applications. Its improved water solubility, thermoresponsive gelation, and the ability to act as a matrix for various dopants also offer routes for cellulose-based functional materials. There has been a renewed interest in understanding the structural, mechanical, and optical properties of methylcellulose and its composites. This review focuses on the recent development in optically and mechanically tunable hydrogels derived from methylcellulose and methylcellulose-cellulose nanocrystal composites. We further discuss the application of the gels for preparing highly ductile and strong fibers. Finally, the emerging application of methylcellulose-based fibers as optical fibers and their application potentials are discussed.
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Affiliation(s)
- Ville Hynninen
- Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, FI-33720 Tampere, Finland;
- Department of Applied Physics, Aalto University, P.O. Box 15100, FI-00076 Espoo, Finland
| | - Jani Patrakka
- Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, FI-33720 Tampere, Finland;
| | - Nonappa
- Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, FI-33720 Tampere, Finland;
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9
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Pritchard CQ, Navarro F, Roman M, Bortner MJ. Multi-axis alignment of Rod-like cellulose nanocrystals in drying droplets. J Colloid Interface Sci 2021; 603:450-458. [PMID: 34214721 DOI: 10.1016/j.jcis.2021.06.069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 11/17/2022]
Abstract
HYPOTHESIS Radial capillary flow in evaporating droplets carry suspended nanoparticles to its periphery where they are deposited and form a coffee-ring. Rod-like nanoparticles seeking to minimize their capillary energy will align with their long-axis parallel to the contact line. Particles exhibiting electrostatic repulsion, such as cellulose nanocrystals (CNCs), establish a competition between capillary flow-induced impingement against a growing coffee-ring and entropic minimization leading to enhanced particle mobility. Therefore, balancing these effects by manipulating the local particle concentration in drying droplets should result in deposition with a controlled orientation of CNCs. EXPERIMENTS The dynamic local order in aqueous suspensions of CNCs in evaporating sessile droplets was investigated through time-resolved polarized light microscopy. The spatial distribution of alignment in deposited CNCs was explored as a function of nanoparticle concentration, droplet volume, initial degree of anisotropy, and substrate hydrophobicity. Computational analysis of the rotational Péclet number during evaporation was also investigated to evaluate any effects of shear-induced alignment. FINDINGS Multiple modes of orientation were identified suggesting local control over CNC orientation and subsequent properties can be attained via droplet-based patterning methods. Specifically, high local particle concentrations led to tangential alignment and lower local particle concentrations resulted in new evidence for radial alignment near the center of dried droplets.
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Affiliation(s)
- Cailean Q Pritchard
- Department of Chemical Engineering, Virginia Tech, 245 Goodwin Hall, 635 Prices Fork Road, Blacksburg, VA 24061, United States; Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States.
| | - Fernando Navarro
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States
| | - Maren Roman
- Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States; Department of Sustainable Biomaterials, Virginia Tech, Blacksburg, VA 24061, United States.
| | - Michael J Bortner
- Department of Chemical Engineering, Virginia Tech, 245 Goodwin Hall, 635 Prices Fork Road, Blacksburg, VA 24061, United States; Macromolecules Innovation Institute, Virginia Tech, Blacksburg, VA 24061, United States.
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10
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Eremeeva E, Sergeeva E, Neterebskaia V, Morozova S, Kolchanov D, Morozov M, Chernyshov I, Milichko V, Vinogradov A. Printing of Colorful Cellulose Nanocrystalline Patterns Visible in Linearly Polarized Light. ACS APPLIED MATERIALS & INTERFACES 2020; 12:45145-45154. [PMID: 32816443 DOI: 10.1021/acsami.0c11846] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This study addresses the inkjet printing approach for fabrication of cellulose nanocrystalline (CNC) patterns with tunable optical properties varied by the thickness of deposited layers. In particular, forming functional patterns visible only in linearly polarized light is of the primary interest. The possibility of controlling the bright iridescent color response associated with the birefringence in the chiral anisotropic structure of inkjet-printed layers of CNC with sulfo-groups (s-CNC) has been thoroughly investigated. In this connection, we have elaborated an appropriate synthesis sequence for deriving printable inks in the form of sedimentation-stable s-CNC colloids with various concentrations of solid phase and experimentally determined the optimal regimes of their inkjet printing. For this purpose, the rheological parameters and s-CNC particle concentration have also been optimized. The study is accomplished with a comprehensive optical characterization of the deposited s-CNC layers with variable thickness, drying conditions, and the polarization state. The experimental results demonstrate the feasibility of inkjet printing technology to perform the precise fabrication of optically active s-CNC patterns with variable optical properties. These results are particularly relevant for applications requiring special conditions of color demonstration in security printing for such as anticounterfeiting applications, polygraphy decoration printing, and color photo filters.
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Affiliation(s)
- Elena Eremeeva
- ChemBio Cluster, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
| | - Ekaterina Sergeeva
- ChemBio Cluster, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
| | - Valeriia Neterebskaia
- ChemBio Cluster, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
| | - Sofia Morozova
- ChemBio Cluster, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
| | - Denis Kolchanov
- ChemBio Cluster, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
| | - Maxim Morozov
- ChemBio Cluster, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
| | - Ivan Chernyshov
- ChemBio Cluster, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
| | - Valentin Milichko
- Department of Physics and Engineering, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
| | - Alexandr Vinogradov
- ChemBio Cluster, ITMO University, 9 Lomonosova Street, 191002 Saint Petersburg, Russia
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11
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Stimuli induced cellulose nanomaterials alignment and its emerging applications: A review. Carbohydr Polym 2020; 230:115609. [DOI: 10.1016/j.carbpol.2019.115609] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 11/07/2019] [Accepted: 11/10/2019] [Indexed: 02/03/2023]
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12
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Shi W, Chen X, Li B, Weitz DA. Spontaneous Creation of Anisotropic Polymer Crystals with Orientation-Sensitive Birefringence in Liquid Drops. ACS APPLIED MATERIALS & INTERFACES 2020; 12:3912-3918. [PMID: 31909961 DOI: 10.1021/acsami.9b17308] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
It remains a grand challenge to prepare anisotropic crystal superstructures with sensitive optical properties in polymer science and materials field. This study demonstrates that semicrystalline polymers develop into anisotropic hollow spherulitic crystals spontaneously at interfaces of liquid drops. In contrast to conventional spherulites with centrosymmetric optics and grain boundaries, these anisotropic spherulitic crystals have vanished boundary defects, tunable aspect ratios, and noncentrosymmetric, orientation-sensitive birefringence. The experimental finding is elaborated in poly(l-lactic acid) crystals and is further verified in a broad class of semicrystalline polymers, irrespective of molecular chirality, chemical constitution, or interfacial modification. The facile methods and general mechanism revealed in this study shed light on developing new types of optical microdevices and synthesis of anisotropic semicrystalline particles from liquid emulsions.
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Affiliation(s)
- Weichao Shi
- Key Laboratory of Functional Polymer Materials (Ministry of Education) , Nankai University , Tianjin 300071 , China
- Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Xiaotong Chen
- Key Laboratory of Functional Polymer Materials (Ministry of Education) , Nankai University , Tianjin 300071 , China
- Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Baihui Li
- Key Laboratory of Functional Polymer Materials (Ministry of Education) , Nankai University , Tianjin 300071 , China
- Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - David A Weitz
- John A. Paulson School of Engineering and Applied Sciences , Harvard University , Cambridge , Massachusetts 02138 , United States
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