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Williams CA, Parker RM, Kyriacou A, Murace M, Vignolini S. Inkjet Printed Photonic Cellulose Nanocrystal Patterns. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307563. [PMID: 37965844 DOI: 10.1002/adma.202307563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/16/2023] [Indexed: 11/16/2023]
Abstract
Naturally-sourced cellulose nanocrystals (CNCs) are elongated, birefringent nanoparticles that can undergo cholesteric self-assembly in water to produce vibrant, structurally colored films. As such, they are an ideal candidate for use as sustainable and cost-effective inks in the printing of scalable photonic coatings and bespoke patterns. However, the small volume and large surface area of a sessile CNC drop typically leads to rapid evaporation, resulting in microfilms with a coffee-stain-like morphology and very weak coloration. Here, it is demonstrated that inkjet printing of CNC drops directly through an immiscible oil layer can immediately inhibit water loss, resulting in reduced internal mass flows and greater time for cholesteric self-assembly. The color of each microfilm is determined by the initial composition of the drop, which can be tuned on-demand by exploiting the overprinting and coalescence of multiple smaller drops of different inks. This enables the production of multicolored patterns with complex optical behaviors, such as angle-dependent color and polarization-selective reflection. Finally, the array can be made responsive to stimuli (e.g., UV light, polar solvent) by the inclusion of a degradable additive. This suite of functional properties promotes inkjet-printed photonic CNC arrays for smart colorimetric labeling or optical anticounterfeiting applications.
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Affiliation(s)
- Cyan A Williams
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, United Kingdom
| | - Richard M Parker
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Andrew Kyriacou
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
- Domino Printing UK, Trafalgar Way, Bar Hill, CB23 8TU, United Kingdom
| | - Maria Murace
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
| | - Silvia Vignolini
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom
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Frka-Petesic B, Parton TG, Honorato-Rios C, Narkevicius A, Ballu K, Shen Q, Lu Z, Ogawa Y, Haataja JS, Droguet BE, Parker RM, Vignolini S. Structural Color from Cellulose Nanocrystals or Chitin Nanocrystals: Self-Assembly, Optics, and Applications. Chem Rev 2023; 123:12595-12756. [PMID: 38011110 PMCID: PMC10729353 DOI: 10.1021/acs.chemrev.2c00836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Indexed: 11/29/2023]
Abstract
Widespread concerns over the impact of human activity on the environment have resulted in a desire to replace artificial functional materials with naturally derived alternatives. As such, polysaccharides are drawing increasing attention due to offering a renewable, biodegradable, and biocompatible feedstock for functional nanomaterials. In particular, nanocrystals of cellulose and chitin have emerged as versatile and sustainable building blocks for diverse applications, ranging from mechanical reinforcement to structural coloration. Much of this interest arises from the tendency of these colloidally stable nanoparticles to self-organize in water into a lyotropic cholesteric liquid crystal, which can be readily manipulated in terms of its periodicity, structure, and geometry. Importantly, this helicoidal ordering can be retained into the solid-state, offering an accessible route to complex nanostructured films, coatings, and particles. In this review, the process of forming iridescent, structurally colored films from suspensions of cellulose nanocrystals (CNCs) is summarized and the mechanisms underlying the chemical and physical phenomena at each stage in the process explored. Analogy is then drawn with chitin nanocrystals (ChNCs), allowing for key differences to be critically assessed and strategies toward structural coloration to be presented. Importantly, the progress toward translating this technology from academia to industry is summarized, with unresolved scientific and technical questions put forward as challenges to the community.
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Affiliation(s)
- Bruno Frka-Petesic
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
- International
Institute for Sustainability with Knotted Chiral Meta Matter (WPI-SKCM), Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Thomas G. Parton
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Camila Honorato-Rios
- Department
of Sustainable and Bio-inspired Materials, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Aurimas Narkevicius
- B
CUBE − Center for Molecular Bioengineering, Technische Universität Dresden, 01307 Dresden, Germany
| | - Kevin Ballu
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Qingchen Shen
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Zihao Lu
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Yu Ogawa
- CERMAV-CNRS,
CS40700, 38041 Grenoble cedex 9, France
| | - Johannes S. Haataja
- Department
of Applied Physics, Aalto University School
of Science, P.O. Box
15100, Aalto, Espoo FI-00076, Finland
| | - Benjamin E. Droguet
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Richard M. Parker
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Silvia Vignolini
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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Shishova M, Solomashenko A, Lushnikov D, Kuznetsov A, Smirnov A. Large area structural color printing based on dot-matrix laser interference patterning. OPTICS EXPRESS 2023; 31:38610-38624. [PMID: 38017962 DOI: 10.1364/oe.503120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/16/2023] [Indexed: 11/30/2023]
Abstract
Optically Variable Devices (OVDs) are widely used as security features in anti-counterfeiting efforts. OVDs enable the display of color dynamic effects that are easily interpreted by the user. However, obtaining these elements over large areas poses certain challenges in terms of efficiency. The paper presents a modified approach for manufacturing plasmonic type OVDs through dot-matrix technology, which is a standard origination step of security holograms. By adjusting the spatial filters in the optical scheme, it is possible to double the resolution of the recorded quasi-sinusoidal diffraction gratings. The experiments confirm the creation of diffraction gratings with frequencies from 1600 to 3500 lines per mm, which facilitates the production of plasmonic zero-order spectral filters. The paper shows how the transmission characteristics of the studied elements are affected by the geometric parameters of the diffraction grating, silver layer thickness, angle of incidence, and polarization of light. The results have shown that using the proposed method it is possible to obtain 1D or 2D structural color OVD-image on a large area - several square centimeters and more. High speed recording of such elements is provided: the exposure time was from 120 to 400 ms depending on the grating resolution for a 0.05 mm2 frame, the total printing time for the size of the 25×25 mm2 OVD was about 2.5 hours for a 1D element, and less than 3.5 hours for a 2D element. Thus, the proposed method and the OVD elements produced by it can be useful to designers of optical security elements as a simpler and faster alternative to electron-beam lithographic technologies.
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Song T, Wu X, Xu J, Ye H, Shi W. Two-Level Optical Birefringence Created by Evaporation-Induced Polymer Crystallization in Sessile Droplets. Macromolecules 2023. [DOI: 10.1021/acs.macromol.2c02247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Tiantian Song
- Key Laboratory of Functional Polymer Materials of Ministry of Education; Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiaoxue Wu
- Key Laboratory of Functional Polymer Materials of Ministry of Education; Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jun Xu
- Advanced Materials Laboratory of Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Haimu Ye
- Department of Materials Science and Engineering, College of New Energy and Materials, China University of Petroleum, Beijing 102249, 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
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300071, China
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Müller LA, Zingg A, Arcifa A, Zimmermann T, Nyström G, Burgert I, Siqueira G. Functionalized Cellulose Nanocrystals as Active Reinforcements for Light-Actuated 3D-Printed Structures. ACS NANO 2022; 16:18210-18222. [PMID: 36256903 PMCID: PMC9706808 DOI: 10.1021/acsnano.2c05628] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Conventional manufacturing techniques allow the production of photoresponsive cellulose nanocrystals (CNC)-based composites that can reversibly modify their optical, mechanical, or chemical properties upon light irradiation. However, such materials are often limited to 2D films or simple shapes and do not benefit from spatial tailoring of mechanical properties resulting from CNC alignment. Herein, we propose the direct ink writing (DIW) of 3D complex structures that combine CNC reinforcement effects with photoinduced responses. After grafting azobenzene photochromes onto the CNC surfaces, up to 15 wt % of modified nanoparticles can be introduced into a polyurethane acrylate matrix. The influence of CNC on rheological properties allows DIW of self-standing 3D structures presenting local shear-induced alignment of the active reinforcements. The printed composites, with longitudinal elastic modulus of 30 MPa, react to visible-light irradiation with 30-50% reversible softening and present a shape memory behavior. The phototunable energy absorption of 3D complex structures is demonstrated by harnessing both geometrical and photoresponsive effects, enabling dynamic mechanical responses to environmental stimuli. Functionalized CNC in 3D printable inks have the potential to allow the rapid prototyping of several devices with tailored mechanical properties, suitable for applications requiring dynamic responses to environmental changes.
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Affiliation(s)
- Luca A.
E. Müller
- Cellulose
and Wood Materials Laboratory, Empa, Swiss
Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
- Wood
Materials Science, Institute for Building Materials, ETH-Zürich, 8093 Zürich, Switzerland
| | - Anita Zingg
- Cellulose
and Wood Materials Laboratory, Empa, Swiss
Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
- Wood
Materials Science, Institute for Building Materials, ETH-Zürich, 8093 Zürich, Switzerland
| | - Andrea Arcifa
- Surface
Science & Coating Technologies, Empa, Empa, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Tanja Zimmermann
- Cellulose
and Wood Materials Laboratory, Empa, Swiss
Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Gustav Nyström
- Cellulose
and Wood Materials Laboratory, Empa, Swiss
Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
- Department
of Health Sciences and Technology, ETH Zürich, 8092 Zürich, Switzerland
| | - Ingo Burgert
- Cellulose
and Wood Materials Laboratory, Empa, Swiss
Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
- Wood
Materials Science, Institute for Building Materials, ETH-Zürich, 8093 Zürich, Switzerland
| | - Gilberto Siqueira
- Cellulose
and Wood Materials Laboratory, Empa, Swiss
Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
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Singh S, Bhardwaj S, Verma C, Chhajed M, Balayan K, Ghosh K, Maji PK. Elliptically birefringent chemically tuned liquid crystalline nanocellulose composites for photonic applications. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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