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Gong Y, Wang H, Luo J, Chen J, Qu Z. Research Progress of Bioinspired Structural Color in Camouflage. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2564. [PMID: 38893828 PMCID: PMC11173615 DOI: 10.3390/ma17112564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 05/16/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024]
Abstract
Bioinspired structural color represents a burgeoning field that draws upon principles, strategies, and concepts derived from biological systems to inspire the design of novel technologies or products featuring reversible color changing mechanisms, with significant potential applications for camouflage, sensors, anticounterfeiting, etc. This mini-review focuses specifically on the research progress of bioinspired structural color in the realm of camouflage. Firstly, it discusses fundamental mechanisms of coloration in biological systems, encompassing pigmentation, structural coloration, fluorescence, and bioluminescence. Subsequently, it delineates three modulation strategies-namely, photonic crystals, film interference, and plasmonic modulation-that contribute to the development of bioinspired structural color materials or devices. Moreover, the review critically assesses the integration of bioinspired structural color materials with environmental contexts, with a particular emphasis on their application in camouflage. Finally, the paper outlines persisting challenges and suggests future development trends in the camouflage field via bioinspired structural color.
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Affiliation(s)
- Yimin Gong
- School of Materials Science and Engineering, Hubei Polytechnic University, Huangshi 435003, China;
| | - Haibin Wang
- School of Materials Science and Engineering, Hunan Institute of Technology, Hengyang 421002, China;
| | - Jianxin Luo
- School of Materials Science and Engineering, Hunan Institute of Technology, Hengyang 421002, China;
| | - Jiwei Chen
- School of Materials Science and Engineering, Hunan Institute of Technology, Hengyang 421002, China;
| | - Zhengyao Qu
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China;
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2
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Li X, Wang X, Wang Y, Hu M, Liu G, Chai L, Zhou L, Shao J, Li Y. Bionic Structural Coloration of Textiles Using the Synthetically Prepared Liquid Photonic Crystals. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2302550. [PMID: 37726238 DOI: 10.1002/smll.202302550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 05/13/2023] [Indexed: 09/21/2023]
Abstract
The structural coloration of textiles with bionic photonic crystals (PCs) is expected to become a critical approach to the ecological coloration of textiles. Rapid and large-area preparation of PC structurally colored textiles can be achieved via self-assembly of high mass fractions of liquid photonic crystals (LPCs). However, the rapid and large-scale manufacturing of LPCs remains a challenge. In this work, the pH regulator is added in the process of emulsion polymerization to solve the problem of phase transformation caused by the thermal decomposition of the initiator to produce H+ , directly achieving 40 wt.% PS nanospheres in the dispersion. Then oligomers and small-molecule salts are removed from the system via dialysis, and the pre-crystallized LPC system is efficiently prepared. Adjusting the particle size and the mass fraction of nanospheres is shown to be an efficient way to control the optical properties of LPCs. The rapid and large-area preparation of PC structural color fabric and the patterned PC structural color fabric with an iridescent effect is implemented by using LPCs as the assembly intermediate. By constructing the encapsulation layer on the surface of the PC structural color fabric, the consistency of high structural stability and high color saturation of the PC is realized.
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Affiliation(s)
- Xinyang Li
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Xiaohui Wang
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yanan Wang
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Mingan Hu
- Haining Green-Gard Textile Sci-Tech Co., Ltd., Jiaxing, 314408, China
| | - Guojin Liu
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Liqin Chai
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Lan Zhou
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Jianzhong Shao
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yichen Li
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, 310018, China
- School of Textile and Clothing Engineering, Soochow University, Suzhou, 215127, China
- National Innovation Center of Advanced Dyeing & Finishing Technology, Taian, 271000, China
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Zhao Y, Zhao K, Yu Z, Ye C. Chameleon-Inspired Mechanochromic Photonic Elastomer with Brilliant Structural Color and Stable Optical Response for Human Motion Visualization. Polymers (Basel) 2023; 15:2635. [PMID: 37376281 DOI: 10.3390/polym15122635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/29/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Flexible and stretchable electronic devices are indispensable parts of wearable devices. However, these electronics employ electrical transducing modes and lack the ability to visually respond to external stimuli, restricting their versatile application in the visualized human-machine interaction. Inspired by the color variation of chameleons' skin, we developed a series of novel mechanochromic photonic elastomers (PEs) with brilliant structural colors and a stable optical response. Typically, these PEs with a sandwich structure were prepared by embedding PS@SiO2 photonic crystals (PCs)within the polydimethylsiloxane (PDMS) elastomer. Benefiting from this structure, these PEs exhibit not only bright structural colors, but also superior structural integrity. Notably, they possess excellent mechanochromism through lattice spacing regulation, and their optical responses are stably maintained even when suffering from 100 stretching-releasing cycles, showing superior stability and reliability and excellent durability. Moreover, a variety of patterned PEs were successfully obtained through a facile mask method, which provides great inspiration to create intelligent patterns and displays. Based on these merits, such PEs can be utilized as visualized wearable devices for detecting various human joint movements in real time. This work offers a new strategy for realizing visualized interactions based on PEs, showing huge application prospects in photonic skins, soft robotics, and human-machine interactions.
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Affiliation(s)
- Yanbo Zhao
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Kai Zhao
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Zhumin Yu
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Changqing Ye
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
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Qu C, Rozsa JL, Jung HJ, Williams AR, Markin EK, Running MP, McNamara S, Walsh KM. Bio-inspired antimicrobial surfaces fabricated by glancing angle deposition. Sci Rep 2023; 13:207. [PMID: 36604529 PMCID: PMC9814675 DOI: 10.1038/s41598-022-27225-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/28/2022] [Indexed: 01/06/2023] Open
Abstract
This paper describes the fabrication of cicada-wing-inspired antimicrobial surfaces using Glancing Angle Deposition (GLAD). From the study of an annual cicada (Neotibicen Canicularis, also known as dog-day cicada) in North America, it is found that the cicada wing surfaces are composed of unique three-dimensional (3D) nanofeature arrays, which grant them extraordinary properties including antimicrobial (antifouling) and antireflective. However, the morphology of these 3D nanostructures imposes challenges in artificially synthesizing the structures by utilizing and scaling up the template area from nature. From the perspective of circumventing the difficulties of creating 3D nanofeature arrays with top-down nanofabrication techniques, this paper introduces a nanofabrication process that combines bottom-up steps: self-assembled nanospheres are used as the bases of the features, while sub-100 nm pillars are grown on top of the bases by GLAD. Scanning electron micrographs show the resemblance of the synthesized cicada wing mimicry samples to the actual cicada wings, both quantitatively and qualitatively. The synthetic mimicry samples are hydrophobic with a water contact angle of 125˚. Finally, the antimicrobial properties of the mimicries are validated by showing flat growth curves of Escherichia coli (E. coli) and by direct observation under scanning electron microscopy (SEM). The process is potentially suitable for large-area antimicrobial applications in food and biomedical industries.
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Affiliation(s)
- Chuang Qu
- Department of Electrical and Computer Engineering, University of Louisville, 2210 S Brook St, Louisville, KY, 40292, USA.
| | - Jesse L. Rozsa
- grid.266623.50000 0001 2113 1622Department of Biology, University of Louisville, 139 Life Sciences Bldg., Louisville, KY 40292 USA
| | - Hyun-Jin Jung
- grid.266623.50000 0001 2113 1622Department of Biology, University of Louisville, 139 Life Sciences Bldg., Louisville, KY 40292 USA
| | - Anna R. Williams
- grid.266623.50000 0001 2113 1622Department of Biology, University of Louisville, 139 Life Sciences Bldg., Louisville, KY 40292 USA
| | - Emmanuel K. Markin
- grid.266623.50000 0001 2113 1622Department of Biology, University of Louisville, 139 Life Sciences Bldg., Louisville, KY 40292 USA
| | - Mark P. Running
- grid.266623.50000 0001 2113 1622Department of Biology, University of Louisville, 139 Life Sciences Bldg., Louisville, KY 40292 USA
| | - Shamus McNamara
- grid.266623.50000 0001 2113 1622Department of Electrical and Computer Engineering, University of Louisville, 2210 S Brook St, Louisville, KY 40292 USA
| | - Kevin M. Walsh
- grid.266623.50000 0001 2113 1622Department of Electrical and Computer Engineering, University of Louisville, 2210 S Brook St, Louisville, KY 40292 USA
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Li M, Lyu Q, Peng B, Chen X, Zhang L, Zhu J. Bioinspired Colloidal Photonic Composites: Fabrications and Emerging Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2110488. [PMID: 35263465 DOI: 10.1002/adma.202110488] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/05/2022] [Indexed: 06/14/2023]
Abstract
Organisms in nature have evolved unique structural colors and stimuli-responsive functions for camouflage, warning, and communication over millions of years, which are essential to their survival in harsh conditions. Inspired by these characteristics, colloidal photonic composites (CPCs) composed of colloidal photonic crystals embedded in the polymeric matrix are artificially prepared and show great promise in applications. This review focuses on the summary of building blocks, i.e., colloidal particles and polymeric matrices, and constructive strategies from the perspective of designing CPCs with robust performance and specific functionality. Furthermore, their state-of-the-art applications are also discussed, including colorful coatings, anti-counterfeiting, and regulation of photoluminescence, especially in the field of visualized sensing. Finally, current challenges and potential for future developments in this field are discussed. The purpose of this review is not only to clarify the design principle for artificial CPCs but also to serve as a roadmap for the exploration of next-generation photonic materials.
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Affiliation(s)
- Miaomiao Li
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Quanqian Lyu
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Bolun Peng
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Xiaodong Chen
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Lianbin Zhang
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Jintao Zhu
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
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Xiang X, Tang Q, Dan L, Shang J, Xia H. Robust colloidal photonic crystal polymer films for anticounterfeiting. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xiaoman Xiang
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering Dalian Minzu University Dalian People's Republic of China
| | - Qiyue Tang
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering Dalian Minzu University Dalian People's Republic of China
| | - Li Dan
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering Dalian Minzu University Dalian People's Republic of China
| | - Jingyu Shang
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering Dalian Minzu University Dalian People's Republic of China
| | - Hongbo Xia
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering Dalian Minzu University Dalian People's Republic of China
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Wu S, Nan J, Wu Y, Meng Z, Zhang S. Low-Angle-Dependent Anticounterfeiting Label Decoded by Alcohol Tissue Wiping Based on a Multilayer Photonic Crystal Structure. ACS APPLIED MATERIALS & INTERFACES 2022; 14:27048-27055. [PMID: 35658401 DOI: 10.1021/acsami.2c04901] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The application of photonic crystals (PCs) as anticounterfeiting materials has been widely investigated because of their tunable photonic stop band and corresponding changeable structural colors. In this work, we designed a composite PC structure including an information CdS PC layer at the bottom and a polymer-based layer composed of an inverse opal PC (IOPC) layer and a disordered porous layer on the top, which can be decoded by an alcohol tissue. The high refractive index of the bottom patterned CdS PC layer provides the structure with a vivid low-angle-dependent structural color in the decoded mode, which ensures the stability of the information conveyed by this label. When the incident angle changed from 5 to 45°, the structural color of the patterned CdS layer changed slightly. In the hidden mode, the low transmittance shields the structural color of the CdS layer. When the structure was wiped with the alcohol tissue, the transmittance of the upper IOPC layer could be increased quickly due to the similar refractive indexes of the used polymer and alcohol, and the pattern of the CdS layer was decoded. Thus, the designed composite PC can act as an anticounterfeiting label, in which the encrypted pattern can be decoded by alcohol tissue wiping and shows a vivid low-angle-dependent structural color. To enhance the anticounterfeiting ability of the designed structure, a double-sided label with different encryption patterns on both sides was designed. Based on the simple reversible encryption and decryption process as well as the color stability, the label shows great application potential in the daily anticounterfeiting field.
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Affiliation(s)
- Suli Wu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P. R. China
| | - Jinjian Nan
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P. R. China
| | - Yue Wu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P. R. China
| | - Zhipeng Meng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P. R. China
| | - Shufen Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P. R. China
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Lai CJ, Tsai HP, Chen JY, Wu MX, Chen YJ, Lin KY, Yang HT. Single-Step Fabrication of Longtail Glasswing Butterfly-Inspired Omnidirectional Antireflective Structures. NANOMATERIALS 2022; 12:nano12111856. [PMID: 35683712 PMCID: PMC9182152 DOI: 10.3390/nano12111856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/19/2022] [Accepted: 05/27/2022] [Indexed: 02/04/2023]
Abstract
Most bio-inspired antireflective nanostructures are extremely vulnerable and suffer from complicated lithography-based fabrication procedures. To address the issues, we report a scalable and simple non-lithography-based approach to engineer robust antireflective structures, inspired by the longtail glasswing butterfly, in a single step. The resulting two-dimensional randomly arranged 80/130/180 nm silica colloids, partially embedded in a polymeric matrix, generate a gradual refractive index transition at the air/substrate interface to suppress light reflection. Importantly, the randomly arranged subwavelength silica colloids display even better antireflection performance for large incident angles than that of two-dimensional non-close-packed silica colloidal crystals. The biomimetic coating is of considerable technological importance in numerous practical applications.
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Affiliation(s)
- Chung-Jui Lai
- Department of Chemical Engineering, National Chung Hsing University, 145 Xingda Road, Taichung City 40227, Taiwan; (C.-J.L.); (J.-Y.C.); (M.-X.W.); (Y.-J.C.)
| | - Hui-Ping Tsai
- Department of Civil Engineering, National Chung Hsing University, 145 Xingda Road, Taichung City 40227, Taiwan;
| | - Ju-Yu Chen
- Department of Chemical Engineering, National Chung Hsing University, 145 Xingda Road, Taichung City 40227, Taiwan; (C.-J.L.); (J.-Y.C.); (M.-X.W.); (Y.-J.C.)
| | - Mei-Xuan Wu
- Department of Chemical Engineering, National Chung Hsing University, 145 Xingda Road, Taichung City 40227, Taiwan; (C.-J.L.); (J.-Y.C.); (M.-X.W.); (Y.-J.C.)
| | - You-Jie Chen
- Department of Chemical Engineering, National Chung Hsing University, 145 Xingda Road, Taichung City 40227, Taiwan; (C.-J.L.); (J.-Y.C.); (M.-X.W.); (Y.-J.C.)
| | - Kun-Yi Lin
- Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung City 40227, Taiwan
- Correspondence: (K.-Y.L.); (H.-T.Y.)
| | - Hong-Ta Yang
- Department of Chemical Engineering, National Chung Hsing University, 145 Xingda Road, Taichung City 40227, Taiwan; (C.-J.L.); (J.-Y.C.); (M.-X.W.); (Y.-J.C.)
- Correspondence: (K.-Y.L.); (H.-T.Y.)
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Wen Y, Zhou Q, Su X, Hu D, Xu M, Feng W, Li F. Wide-Range Time-Dependent Color-Tunable Light-Response Afterglow Materials via Absorption Compensation for Advanced Information Encryption. ACS APPLIED MATERIALS & INTERFACES 2022; 14:11681-11689. [PMID: 35226450 DOI: 10.1021/acsami.2c00683] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Stimuli-responsive luminescent materials with time-dependent color are highly desirable in optical information encryption. In this study, multiple time-dependent color processes are achieved by light-responsive afterglow materials through the strategy of absorption compensation. Based on the single-emission band of light-responsive afterglow materials, the color of samples could show a time-dependent change from colored to colorless over several seconds. The strategy possesses high flexibility such that the stimulus light and emission color of light-responsive afterglow materials can be adjusted conveniently to adapt to various scenes. It is also beneficial to expand the capacity and complexity of information encryption. A three-color, time-resolved anticounterfeiting, and data encryption mode is demonstrated. This facile absorption compensation method based on light-response afterglow materials may promote the development of advanced dynamic information encryption.
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Affiliation(s)
- Yue Wen
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Qianwen Zhou
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Xianlong Su
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Donghao Hu
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Ming Xu
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Wei Feng
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Fuyou Li
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
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Wu Y, Wang Y, Zhang S, Wu S. Artificial Chameleon Skin with Super-Sensitive Thermal and Mechanochromic Response. ACS NANO 2021; 15:15720-15729. [PMID: 34517702 DOI: 10.1021/acsnano.1c05612] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Both the nonclose-packed structure and the large refractive index contrast of guanine nanocrystals and cytosols in iridophores play a vital role in the dynamic camouflage of chameleons, including the bright skin color and color tuning sensitivity to external stimulus. Here, the nonclose-packed photonic crystals consisting of ZnS nanospheres and polymers, which have similar refractive indices with guanine nanocrystals and cytosols, respectively, are constructed by a two-step filling strategy. ZnS@SiO2 nanospheres are self-assembled to build intermediate close-packed photonic crystals followed by filling polymers in their interstices. The nonclose-packed photonic crystal is successfully achieved when the silica portion is etched by HF solution and refilled by polymers. Excitingly, the stimulus response of the designed photonic crystal is as sensitive as the skin of chameleons due to the similar contrast of refractive indices and nonclose-packed structure. The reflection peak of the structure can blue-shift more than 200 nm as the temperature increases from 30 to 55 °C or under 20% compressional strain. This work not only builds the nonclose-packed photonic crystals by introducing a two-step filling strategy but also proves that high refractive contrast in photonic crystals is an effective strategy to achieve ultrasensitivity, which is highly desirable for various applications.
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Affiliation(s)
- Yue Wu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P.R. China
| | - Yu Wang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P.R. China
| | - Shufen Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P.R. China
| | - Suli Wu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2# Linggong Road, Dalian 116024, P.R. China
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11
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Minh NH, Kim K, Kang DH, Yoo YE, Yoon JS. Fabrication of robust and reusable mold with nanostructures and its application to anti-counterfeiting surfaces based on structural colors. NANOTECHNOLOGY 2021; 32:495302. [PMID: 34380119 DOI: 10.1088/1361-6528/ac1cbf] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
In this study, we report a method to fabricate molds and flexible stamps with 2D photonic crystal structures. This includes self-assembly of polystyrene particles into monolayer, oxygen reactive ion etching, thin film (chromium (Cr)) deposition, and polydimethylsiloxane replication. By tuning the thickness of Cr layer, reusable master molds with nano bumps or nano concaves could be prepared selectively. We showed that the replicated flexible stamps out of these molds exhibited structural colors. Characteristics of the colors depended on viewing angle, brightness of background and light source. And the colors even faded out when the background is white or when the stamp was bent. By using this feature, possible strategies for anti-counterfeiting applications have been suggested in this study. Since the molds are reusable and the fabrication method is simple and cost-effective, this study is expected to contribute to nano devices for industries in future.
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Affiliation(s)
- Nguyen Hoang Minh
- Dept. Nano Manufacturing Technology, Korea Institute of Machinery and Materials (KIMM), Republic of Korea
- Dept. Nano Mechatronics, Korea University of Science and Technology (UST), Republic of Korea
| | - Kwanoh Kim
- Dept. Nano Manufacturing Technology, Korea Institute of Machinery and Materials (KIMM), Republic of Korea
| | - Do Hyun Kang
- Dept. Nano Manufacturing Technology, Korea Institute of Machinery and Materials (KIMM), Republic of Korea
| | - Yeong-Eun Yoo
- Dept. Nano Manufacturing Technology, Korea Institute of Machinery and Materials (KIMM), Republic of Korea
- Dept. Nano Mechatronics, Korea University of Science and Technology (UST), Republic of Korea
| | - Jae Sung Yoon
- Dept. Nano Manufacturing Technology, Korea Institute of Machinery and Materials (KIMM), Republic of Korea
- Dept. Nano Mechatronics, Korea University of Science and Technology (UST), Republic of Korea
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12
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Huang F, Weng Y, Lin Y, Zhang X, Wang Y, Chen S. Wetting-Enhanced Structural Color for Convenient and Reversible Encryption of Optical Information. ACS APPLIED MATERIALS & INTERFACES 2021; 13:42276-42286. [PMID: 34432423 DOI: 10.1021/acsami.1c13469] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Encrypted storage of optical information has attracted increasing interest for anticounterfeiting, information transmission, and military applications. In this study, an inverse opal-structured titanium dioxide/heptadecafluorodecyltrimethoxysilane (IOS-T/F) panel is developed. Based on a unique wetting-enhanced mechanism of structural color vision derived from a reduced light scattering and strengthened effective refractive index, this panel is capable of reversible writing/erasing and encryption/decryption of optical information. Multiple levels of information can be compiled, concealed, and erased simply using controlled ultraviolet irradiation to form patterned hydrophilic/hydrophobic differences, and the process of revealing or concealing the information only requires a few drops of water or evaporation, respectively. Importantly, the functions of the IOS-T/F panel can be well maintained under harsh conditions, including strongly acidic/alkaline environments or extreme temperatures (from -40 to 80 °C), as well as can be recovered after staining by various pollutants. This system provides simple encryption, rapid decryption, and the ability to store multiple sets of information under diverse application scenarios, which represents a novel material design strategy for security-related applications and smart optical systems.
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Affiliation(s)
- Fengting Huang
- Nanshan District Key Lab for Biopolymers and Safety Evaluation; Shenzhen Key Laboratory of Polymer Science and Technology; Guangdong Research Center for Interfacial Engineering of Functional Materials; College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Yanhong Weng
- Nanshan District Key Lab for Biopolymers and Safety Evaluation; Shenzhen Key Laboratory of Polymer Science and Technology; Guangdong Research Center for Interfacial Engineering of Functional Materials; College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Yanxuan Lin
- Nanshan District Key Lab for Biopolymers and Safety Evaluation; Shenzhen Key Laboratory of Polymer Science and Technology; Guangdong Research Center for Interfacial Engineering of Functional Materials; College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Xingcai Zhang
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Yuanfeng Wang
- Nanshan District Key Lab for Biopolymers and Safety Evaluation; Shenzhen Key Laboratory of Polymer Science and Technology; Guangdong Research Center for Interfacial Engineering of Functional Materials; College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
| | - Shiguo Chen
- Nanshan District Key Lab for Biopolymers and Safety Evaluation; Shenzhen Key Laboratory of Polymer Science and Technology; Guangdong Research Center for Interfacial Engineering of Functional Materials; College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China
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13
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Pimenta C, Pereira CC, Fangueiro R. Textile Pattern Design in Thermal Vision-A Study on Human Body Camouflage. MATERIALS 2021; 14:ma14164364. [PMID: 34442887 PMCID: PMC8398730 DOI: 10.3390/ma14164364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/30/2021] [Accepted: 08/02/2021] [Indexed: 11/16/2022]
Abstract
This paper reports on a new approach to the creation process in fashion design as a result of the exploitation of thermal camouflage in the conceptualization of clothing. The thermal images' main variation factors were obtained through the analysis of their color behavior in a (diurnal and nocturnal) outdoor beach environment, with the presence and absence of a dressed human body (through the use of a thermal imaging camera), such as the analysis of textile materials in a laboratory (simulating the captured outdoor atmospheric temperatures and those of the model's skin using the climatic chamber and the thermal manikin). The combination of different patternmaking, sewing and printing techniques in textile materials, along with the study of the camouflage environment and the human body's variation factors, as well as the introduction of biomimetic-inspired elements (chameleon's skin), enabled the creation of a clothing design process with innovative de-sign elements which allow us to thermally camouflage the human body and take clothing beyond the visible spectrum in a functional and artistic way.
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Affiliation(s)
- Catarina Pimenta
- Centre for Textile Science and Technology, University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal
- Correspondence:
| | - Carla Costa Pereira
- Faculty of Architecture, University of Lisbon, Rua Sá Nogueira, 1349-063 Lisbon, Portugal;
| | - Raul Fangueiro
- Department of Mechanical Engineering, University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal;
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14
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Hongbo X, Dan L, Suli W, Shuai F, Chao M, Bin D. H 2O- and ethanol concentration-responsive polymer/gel inverse opal photonic crystal. J Colloid Interface Sci 2021; 605:803-812. [PMID: 34371425 DOI: 10.1016/j.jcis.2021.07.112] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 12/22/2022]
Abstract
Responsive photonic crystals have attracted much attention due to their strong capability to manipulate the propagation of light in the visible region, but it is still a big challenge to invisibility and mechanical stability. Here, the novel Poly(ether sulfone)/Poly(acrylic acid) inverse opal photonic crystals, which have high mechanical stability and can release visible patterns after wetting with water, are discussed. The Poly(ether sulfone)/Poly(acrylic acid) inverse opal photonic crystals are also responsive to the concentration of ethanol, and the structural color response times increase with increasing ethanol concentration. This design uses the selective infiltration, hydrogen bonding and capillary action of solvent to realize the spectral diversity of reflectance. Owing to the high polarity and hydrogen bonding ability of carboxyl groups, water molecules are adsorbed easily by the poly(acrylic acid) gel. Subsequently, the encrypted information is decrypted due to the redshift of the structural color. Because of its lower polarity and hydrogen bonding ability relative to water, ethanol can impede the absorption of solvent by gel. Therefore, the ethanol concentration can be identified based on the structural color response time. Furthermore, reliable information decryption methods make Poly(ether sulfone)/Poly(acrylic acid) inverse opal photonic crystals potentially uesful as trusted encryption devices.
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Affiliation(s)
- Xia Hongbo
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, Dalian 116024, China
| | - Li Dan
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, Dalian 116024, China
| | - Wu Suli
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Feng Shuai
- School of Science, Minzu University of China, Beijing 100081, China.
| | - Meng Chao
- School of Science, Minzu University of China, Beijing 100081, China
| | - Dong Bin
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, Dalian 116024, China.
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15
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Chen K, He J, Zhang D, You L, Li X, Wang H, Mei J. Bioinspired Dynamic Camouflage from Colloidal Nanocrystals Embedded Electrochromics. NANO LETTERS 2021; 21:4500-4507. [PMID: 33989497 DOI: 10.1021/acs.nanolett.1c01419] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Camouflage is often seen in animals, and it presents in both passive and active forms. For instance, the wings of Closterocerus coffeellae exhibit distinct appearances against different backgrounds, while the chameleon actively changes its skin colors to morph into the environment. Herein, we report an artificial skin-like optoelectronic device that enables actively changing appearances and passively morphing into the environment by manipulating light-matter interactions with electrochromic polymers and photonic colloid nanocrystals. To construct the new electrochromic device, highly reflective, yet transmissive photonic nanocrystals are introduced into the gel electrolyte and sandwiched between the layers of electrochromic polymers and ion storage materials. Through voltage-controlled color switching of electrochromic polymers from colored state to bleached state, the degree of light absorbance, transmittance, and reflectance can be finely balanced and precisely modulated with the device. A broad synthesized color gamut and angle-dependent visual effects can be realized on this electronic skin-like device.
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Affiliation(s)
- Ke Chen
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jiazhi He
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Di Zhang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Liyan You
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Xuefei Li
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jianguo Mei
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
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16
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Wang X, Li Y, Zhao Q, Liu G, Chai L, Zhou L, Fan Q, Shao J. High Structural Stability of Photonic Crystals on Textile Substrates, Prepared via a Surface-Supported Curing Strategy. ACS APPLIED MATERIALS & INTERFACES 2021; 13:19221-19229. [PMID: 33871253 DOI: 10.1021/acsami.1c00176] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Over the past years, photonic crystals (PCs) with a periodically ordered nanostructure have attracted great attention due to their potential as advanced optical materials for structural coloration of textiles. However, the weak structural stability of PCs on flexible textile substrates makes them vulnerable to strong external forces, hampering their large-scale application. In this work, a waterborne polyurethane (wPU) is chosen for enhancing the structural stability of PCs. The composite PCs (PCs/wPU) show both brilliant structural colors and significantly improved structural stability. The structural color produced by the encapsulated PCs is found to depend on the properties of encapsulating agents. The wPU with high surface tension solidifies mainly on the PC surface in the form of a transparent film, protecting the overall structure of PCs. Meanwhile, a small amount of wPU, infiltrating into the interior of PCs, provides strong adhesion and ensures stability among nanospheres. In turn, polydimethylsiloxane (PDMS) with low surface tension is easy to infiltrate into the interior of PCs, forming fully encapsulated PCs. This reduces the brightness of structural color produced by the final PCs/PDMS composite over the original PCs, due to the replacement of air by PDMS, and thus the decrease in the refractive index contrast of PCs. The supported curing strategy using the encapsulating agent with high surface tension is shown to not only improve the structural stability of PCs but also exert almost no influence on the optical properties of PCs, facilitating the practice application of structural coloration in the textile industry.
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Affiliation(s)
- Xiaohui Wang
- Engineering Research Centre for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yichen Li
- Engineering Research Centre for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Haining Green-Guard Textile Sci-Tech Company Ltd., Jiaxing 314408, China
| | - Qian Zhao
- Engineering Research Centre for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Guojin Liu
- Engineering Research Centre for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Liqin Chai
- Engineering Research Centre for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Lan Zhou
- Engineering Research Centre for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Qinguo Fan
- Engineering Research Centre for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Department of Bioengineering, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts 02747, United States
| | - Jianzhong Shao
- Engineering Research Centre for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
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17
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Zhang Y, Qi Y, Wang R, Cao T, Ma W, Zhang S. Nonintrusively Adjusting Structural Colors of Sealed Two-Dimensional Photonic Crystals: Immediate Transformation between Transparency and Intense Iridescence and Their Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:13861-13871. [PMID: 33689271 DOI: 10.1021/acsami.1c02083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Responsive photonic crystals (PCs), which can adjust structural colors in response to external stimuli, show great potential applications in displays, sensors, wearable electronics, encryption, and anticounterfeiting. In contrast, conventional structure-intrusive adjustment manners that external stimuli directly interact with the ordered arrays may lead to structural damage or longer response time. Here, a noninvasive adjustment of the structural colors of two-dimensional (2D) PCs (2D-PCs) is explored based upon diffraction theory. Sealed 2D-PCs and 2D inverse opal photonic crystal (IOPC) flexible devices are prepared. They are highly transparent in air but immediately exhibit intense viewing angle-dependent structural colors after being dipped in water. The mechanism of transparent-iridescent immediate transformation is explained by Bragg's law. The design mechanism is examined by numerical simulation and spectral shifts in different external media. We demonstrate its applications in the fields of information encryption and anticounterfeiting by using the transparent-iridescent immediate transformation of sealed 2D-PC patterns and 2D IOPC free-standing films sealed on the product surface. Because of the strong contrast between transparency and intense iridescence, reversible and immediate transformation, and durability, sealed 2D-PCs and 2D IOPC flexible devices designed by the noninvasive adjustment strategy will lead to a variety of new applications in displays, sensors, wearable electronics, encryption, and anticounterfeiting.
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Affiliation(s)
- Yeguang Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, P. R. China
| | - Yong Qi
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, P. R. China
| | - Rongzi Wang
- School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116023, P. R. China
| | - Tun Cao
- School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116023, P. R. China
| | - Wei Ma
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, P. R. China
| | - Shufen Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, P. R. China
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18
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Qi Y, Niu W, Zhang S, Zhang Z, Wu S, Ma W. Rotational Periodicity Display of the Tunable Wettability Pattern in a Photoswitch Based on a Response Bilayer Photonic Crystal. ACS APPLIED MATERIALS & INTERFACES 2020; 12:9664-9672. [PMID: 32011113 DOI: 10.1021/acsami.9b21947] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Although the forward diffraction of the three-dimensional (3D) photonic crystal is easily applied to a photoswitch, backward diffraction rainbows are rarely reported. The first rotational photoswitch based on a bilayer 3D photonic crystal with backward diffractions similar to those of two-dimensional photonic crystals was fabricated by vertically combining different thicknesses of nanoparticle templates. When rotating the bilayer photonic crystal, the opening or closing of the rotational photoswitch shows periodic reproducibility values of 30 and 60°. Different periods are regulated by the thickness and scattering effect of the top layer. Moreover, invisible patterns can be encoded and erased by changing the wettability via pH. Because of the decreasing of the refractive index differentials, it will be revealed rapidly when immersed in water. The revealed pattern can be periodically turned on and off by rotating the bilayer photonic crystal. It has great application prospects in optical prism, warning board, anti-counterfeiting, steganography, watermarking, and complex information coding.
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Affiliation(s)
- Yong Qi
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , P.O. Box 89, West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Wenbin Niu
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , P.O. Box 89, West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Shufen Zhang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , P.O. Box 89, West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Zhongjian Zhang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , P.O. Box 89, West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Suli Wu
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , P.O. Box 89, West Campus, 2 Linggong Road , Dalian 116024 , China
| | - Wei Ma
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , P.O. Box 89, West Campus, 2 Linggong Road , Dalian 116024 , China
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