1
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Lee YH, Song WJ, Park JM, Sung G, Lee MG, Kim M, Park S, Lee JS, Kim M, Kim WS, Sun JY. Full-Color Generation via Phototunable Mono Ink for Fast and Elaborate Printings. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2307165. [PMID: 37945054 DOI: 10.1002/adma.202307165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/23/2023] [Indexed: 11/12/2023]
Abstract
Unlike pigment-based colors, which are determined by their molecular structure, diverse colors can be expressed by a regular arrangement of nanomaterials. However, existing techniques for constructing such nanostructures have struggled to combine high precision and speed, resulting in a narrow gamut, and prolonged color fabrication time. Here, this work reports a phototunable mono ink that can generate a wide range of colors by controlling regularly arranged nanostructure. Core-shell growth controlled by polymerization time precisely regulates the distance between arranged particles at a nanometer-scale, enabling the generation of various colors. Moreover, the wide and thin arrangement induces constrained out-of-plane growth, thus facilitating the intricate color generation at the desired location via photopolymerization. Upon terminating polymerization by oxygen gas, the generated colors are readily fixed and kept stable. Utilizing programmed ultraviolet illumination, large-scale and high-resolution (≈1 µm) full-color printings are demonstrated at high speed (100 mm2 s-1 ).
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Affiliation(s)
- Yun Hyeok Lee
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Won Jun Song
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jae-Man Park
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Gimin Sung
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Min-Gyu Lee
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Miji Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sungeun Park
- Department of Electrical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Ju Sang Lee
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Miyoung Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Wook Sung Kim
- Department of Electrical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Jeong-Yun Sun
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
- Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 08826, Republic of Korea
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2
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Xiong Y, Zhou Y, Tian J, Wang W, Zhang W, Zhang D. Scalable, Color-Matched, Flexible Plasmonic Film for Visible-Infrared Compatible Camouflage. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303452. [PMID: 37888858 PMCID: PMC10724423 DOI: 10.1002/advs.202303452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 08/19/2023] [Indexed: 10/28/2023]
Abstract
The multispectral compatible infrared camouflage technology is implemented these days to counter the developing infrared detectors and detectors of other bands. However, the conflict between delicate optical structures and scalable procedures has significantly impeded the development and application of multispectral-compatible camouflage technology. Therefore, a semi-open Fabry-Perot structure is introduced, and the color and infrared emissivity by structural parameters for color-matched visible-infrared compatible camouflage are modulated. The prepared compatible camouflage film exhibits visible camouflage by the minimum color difference of 1.6 L*a*b* (under desert background) and infrared camouflage by low emission (ε3-5 µm ≈ 0.17 and ε8-14 µm ≈ 0.143). Due to its flexibility and scalability, the compatible camouflage film can be applied in practical applications and exhibits desirable visible and infrared camouflage performance in different battlefield backgrounds.
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Affiliation(s)
- Yuqin Xiong
- State Key Laboratory of Metal Matrix CompositeShanghai Jiao Tong UniversityShanghai200240China
| | - Yitong Zhou
- State Key Laboratory of Metal Matrix CompositeShanghai Jiao Tong UniversityShanghai200240China
| | - Junlong Tian
- Department of Electronic Science and TechnologyCollege of Big Data and Information EngineeringGuizhou UniversityGuiyang550025China
| | - Wanlin Wang
- College of Electronics and Information EngineeringShenzhen UniversityShenzhen518060China
| | - Wang Zhang
- State Key Laboratory of Metal Matrix CompositeShanghai Jiao Tong UniversityShanghai200240China
| | - Di Zhang
- State Key Laboratory of Metal Matrix CompositeShanghai Jiao Tong UniversityShanghai200240China
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3
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Kedawat G, Srivastava S, Gupta BK. A Strategic Approach to Design Multi-Functional RGB Luminescent Security Pigment Based Golden Ink with Myriad Security Features to Curb Counterfeiting of Passport. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206397. [PMID: 36905246 DOI: 10.1002/smll.202206397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/12/2022] [Indexed: 06/08/2023]
Abstract
Authentication and verification of the most important government issued identity proof, i.e. passport has become more complex and challenging in the last few decades due to various innovations in ways of counterfeiting by fraudsters. Here, the aim is to provide more secured ink without altering its golden appearance in visible light. In this panorama, a novel advanced multi-functional luminescent security pigment (MLSP) based golden ink (MLSI) is developed that provides an optical authentication and information encryption features to protect the legitimacy of the passport. The advanced MLSP is derived from the ratiometric combination of different luminescent materials to form a single pigment which emits red (620 nm), green (523 nm) and blue (474 nm), when irradiated via 254, 365 and 980 nm NIR wavelengths, respectively. It also includes magnetic nanoparticles to generate magnetic character recognition feature. The MLSI has been fabricated to examine its printing feasibility and stability over different substrates using the conventional screen-printing technique against harsh chemicals and under different atmospheric conditions. Hence, these advantageous multi-level security features with golden appearance in visible light is a new breakthrough toward curbing the counterfeiting of passport as well as bank cheques, government documents, pharmaceuticals, military equipment, and many more.
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Affiliation(s)
- Garima Kedawat
- Photonic Materials Metrology Sub Division, Advanced Materials and Device Metrology Division, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Road, New Delhi, 110012, India
| | - Shubhda Srivastava
- Photonic Materials Metrology Sub Division, Advanced Materials and Device Metrology Division, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Road, New Delhi, 110012, India
| | - Bipin Kumar Gupta
- Photonic Materials Metrology Sub Division, Advanced Materials and Device Metrology Division, CSIR-National Physical Laboratory, Dr. K. S. Krishnan Road, New Delhi, 110012, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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4
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Palinski TJ, Guan B, Bradshaw-Hajek BH, Lienhard MA, Priest C, Miranda FA. Reversible colorimetric sensing of volatile analytes by wicking in close proximity to a photonic film. RSC Adv 2022; 12:36150-36157. [PMID: 36545087 PMCID: PMC9756422 DOI: 10.1039/d2ra06740d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 11/17/2022] [Indexed: 12/23/2022] Open
Abstract
Isolation of volatile analytes from environmental or biological fluids is a rate-determining step that can delay the response time for continuous sensing. In this paper, we demonstrate a colorimetric sensing system that enables the rapid detection of gas-phase analytes released from a flowing micro-volume fluid sample. The sensor platform is an analyte-responsive metal-insulator-metal (MIM) thin-film structure integrated with a large area quartz micropillar array. This allows precise planar alignment and microscale separation (310 μm) of the optical and fluidic structures. This configuration offers rapid and homogeneous color changes over large areas that permits detection by low-resolution optics or eye, which is well-suited to portable/wearable devices. For our proof-of-principle demonstration, we utilized a poly(methyl methacrylate) (PMMA) spacer and evaluated the sensor's response (color change) to ethanol vapor. We show that the RGB color value is quantitatively linked to the spacer swelling, which is reversible and repeatable. The optofluidic platform reduces the sensor response time from minutes to seconds compared with experiments using a conventional chamber. The sensor's concentration-dependent response was examined, confirming the potential of the reported sensing platform for continuous, compact, and quantitative colorimetric analysis of volatile analytes in low-volume samples, such as biofluids.
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Affiliation(s)
- Timothy J. Palinski
- Communications & Intelligent Systems Division, NASA Glenn Research CenterClevelandOhio 44135USA
| | - Bin Guan
- Future Industries Institute, University of South AustraliaMawson LakesSA 5095Australia,UniSA STEM, University of South AustraliaMawson LakesSA 5095Australia
| | | | - Michael A. Lienhard
- Communications & Intelligent Systems Division, NASA Glenn Research CenterClevelandOhio 44135USA
| | - Craig Priest
- Future Industries Institute, University of South AustraliaMawson LakesSA 5095Australia,UniSA STEM, University of South AustraliaMawson LakesSA 5095Australia,Australian National Fabrication Facility – South Australia Node, University of South AustraliaSA 5095Australia
| | - Félix A. Miranda
- Communications & Intelligent Systems Division, NASA Glenn Research CenterClevelandOhio 44135USA
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5
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Matsuda T, Tsunoda I, Nagata M, Kawakita T, Noguchi S. Rapid change in polarization accompanying Fabry-Pérot resonance in anodic porous alumina coated with a gold thin film. APPLIED OPTICS 2022; 61:10178-10187. [PMID: 36606779 DOI: 10.1364/ao.474161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/27/2022] [Indexed: 06/17/2023]
Abstract
We experimentally investigate the polarization property of the specularly reflected light from an anodic porous alumina (APA) membrane coated with a gold (Au) thin film. As a result, we reveal a rapid change in the normalized Stokes parameter s 3 of the specularly reflected light around the angle of incidence θ A at which the resonance absorption of the incident light occurs. The rapid change in s 3 demonstrates that the specularly reflected light can rapidly be right- to left-elliptically polarized via linear polarization at the zero-crossing point θ Z of s 3. Moreover, θ Z is located close to θ A , and θ Z as well as θ A depend on the occurrence conditions of the resonance absorption. From numerical aspects based on the Maxwell Garnett effective medium approximation, we clarify that the rapid change in s 3 accompanies the Fabry-Pérot (FP) resonance in the Au-coated APA membrane. The numerical results also suggest that the change in the refractive index of the filling material into nanopores of the Au-coated APA membrane can be successfully estimated by using the rapid change in s 3.
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6
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Zhang L, Bai J, Ma T, Yin J, Jiang X. Intelligent Surface with Multi-dimensional Information Enabled by a Dual Responsive Pattern with Fluorescence and Wrinkle. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Luzhi Zhang
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Jing Bai
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Tianjiao Ma
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Jie Yin
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Xuesong Jiang
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
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7
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Koh TM, Wang H, Ng YF, Bruno A, Mhaisalkar S, Mathews N. Halide Perovskite Solar Cells for Building Integrated Photovoltaics: Transforming Building Façades into Power Generators. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2104661. [PMID: 34699646 DOI: 10.1002/adma.202104661] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 10/08/2021] [Indexed: 06/13/2023]
Abstract
The rapid emergence of organic-inorganic lead halide perovskites for low-cost and high-efficiency photovoltaics promises to impact new photovoltaic concepts. Their high power conversion efficiencies, ability to coat perovskite layers on glass via various scalable deposition techniques, excellent optoelectronic properties, and synthetic versatility for modulating transparency and color allow perovskite solar cells (PSCs) to be an ideal solution for building-integrated photovoltaics (BIPVs), which transforms windows or façades into electric power generators. In this review, the unique features and properties of PSCs for BIPV application are accessed. Device engineering and optical management strategies of active layers, interlayers, and electrodes for semitransparent, bifacial, and colorful PSCs are also discussed. The performance of PSCs under conditions that are relevant for BIPV such as different operational temperature, light intensity, and light incident angle are also reviewed. Recent outdoor stability testing of PSCs in different countries and other demonstration of scalability and deployment of PSCs are also spotlighted. Finally, the current challenges and future opportunities for realizing perovskite-based BIPV are discussed.
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Affiliation(s)
- Teck Ming Koh
- Energy Research Institute at Nanyang Technological University (ERI@N), Research Techno Plaza, X-Frontier Block Level 5, 50 Nanyang Drive, Singapore, 637553, Singapore
| | - Hao Wang
- Energy Research Institute at Nanyang Technological University (ERI@N), Research Techno Plaza, X-Frontier Block Level 5, 50 Nanyang Drive, Singapore, 637553, Singapore
| | - Yan Fong Ng
- Energy Research Institute at Nanyang Technological University (ERI@N), Research Techno Plaza, X-Frontier Block Level 5, 50 Nanyang Drive, Singapore, 637553, Singapore
| | - Annalisa Bruno
- Energy Research Institute at Nanyang Technological University (ERI@N), Research Techno Plaza, X-Frontier Block Level 5, 50 Nanyang Drive, Singapore, 637553, Singapore
| | - Subodh Mhaisalkar
- Energy Research Institute at Nanyang Technological University (ERI@N), Research Techno Plaza, X-Frontier Block Level 5, 50 Nanyang Drive, Singapore, 637553, Singapore
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Nripan Mathews
- Energy Research Institute at Nanyang Technological University (ERI@N), Research Techno Plaza, X-Frontier Block Level 5, 50 Nanyang Drive, Singapore, 637553, Singapore
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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8
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Prezgot D, Tatarchuk SW, Ianoul A. Plasmonic color generation in silver nanocrystal‐over‐mirror films by thermal embedment into a polymer spacer. NANO SELECT 2022. [DOI: 10.1002/nano.202100340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Daniel Prezgot
- Department of Chemistry Carleton University Ottawa Canada
| | | | - Anatoli Ianoul
- Department of Chemistry Carleton University Ottawa Canada
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9
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Huang Y, Lv F, Chen J, He S, Wang Z, La J, Wu D, Cong R, Wang Y, Wang W. Wafer-scale plasmonic metal-dielectric-metal structural color featuring high saturation and low angular dependence. NANOTECHNOLOGY 2022; 33:135302. [PMID: 34929679 DOI: 10.1088/1361-6528/ac44ec] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 12/19/2021] [Indexed: 06/14/2023]
Abstract
Structural color has been studied through various methods due to its distinguished features of stability, durability, high information storage density and high integration. However, the artificial structural color samples do not exhibit superior performance in color saturation and low angular dependence. Here, we present an approach to acquire additive reflective color based on a metal-dielectric-metal (MDM) stack. The upper layer composed of Ag particles is perforated in a hexagonal arrangement which profits from the dielectric anodic aluminium oxide (AAO) membrane. The size and shape of the Ag particles are getting inhomogeneous as the deposition thickness of the upper layer increasing, which expands the desired absorption range of surface plasmons. The residual non-anodized Al foil serves as a highly reflective substrate for efficient color presenting through the thin-film interference in this plasmonic MDM system. As a result, the color gamut area of this MDM stack is extended 8 times in CIE chromaticity coordinates. Finally, a wafer-scale (diameter of 83 mm) badge of Harbin Engineering University (HEU) with highly saturated colors and a pattern characterized with low angle-dependent property (up to 60°) are presented, which exhibit promising prospects in commercial coloring and imaging.
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Affiliation(s)
- Yudie Huang
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Fanzhou Lv
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Jiaxu Chen
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Shijia He
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266500, People's Republic of China
| | - Zhihang Wang
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266500, People's Republic of China
| | - Junqiao La
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266500, People's Republic of China
| | - Dongda Wu
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266500, People's Republic of China
| | - Rong Cong
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Yi Wang
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266500, People's Republic of China
| | - Wenxin Wang
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266500, People's Republic of China
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10
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Yanagishita T, Itoh H, Masuda H. Efficient fabrication of ordered alumina through-hole membranes using a TiO2 protective layer prepared by atomic layer deposition. RSC Adv 2022; 12:3662-3671. [PMID: 35425394 PMCID: PMC8979256 DOI: 10.1039/d1ra09044e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/24/2022] [Indexed: 11/21/2022] Open
Abstract
Ordered alumina through-hole membrane with an interhole distance of 1 μm.
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Affiliation(s)
- Takashi Yanagishita
- Department of Applied Chemistry, Tokyo Metropolitan University, 1-1 Minamiosawa, Hachioji, Tokyo 192-0397, Japan
| | - Haruka Itoh
- Department of Applied Chemistry, Tokyo Metropolitan University, 1-1 Minamiosawa, Hachioji, Tokyo 192-0397, Japan
| | - Hideki Masuda
- Department of Applied Chemistry, Tokyo Metropolitan University, 1-1 Minamiosawa, Hachioji, Tokyo 192-0397, Japan
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11
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He X, Li G, Wu D. Self-driving dynamic plasmonic colors based on needle steering for simultaneous control of transition direction and time on metallic nanogroove metasurfaces. NANOSCALE 2021; 13:18356-18362. [PMID: 34729577 DOI: 10.1039/d1nr05804e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Dynamically tunable plasmonic colors hold great promise for a wide range of applications including color displays, colorimetric sensing, and information encryption. However, dynamic control speed of plasmonic colors is still slow to date. Herein, we propose to use a needle to direct the flow of water and gas pressure to drive water, realizing a simultaneous direction-controllable and fast plasmonic color transition. The highly reflected background light of the metallic nanogroove metasurface is suppressed to generate high-purity plasmonic colors through the cross-polarized input and output configuration. When the environment is changed from air to water, a giant color change from cyan to red (a wavelength shift of 156 nm) is experimentally observed. More importantly, by utilizing a needle to steer the flow of water, direction-controllable and fast plasmonic color transition is achieved by controlling gas pressure to drive water. Compared with current state-of-the-art plasmonic color scanning technology, the color transition time via water driven by gas pressure decreases by three orders of magnitude for the same scanning length. The multi-degrees of freedom dynamic structural colors could have potential applications in dynamic displays, anti-counterfeiting, and information security.
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Affiliation(s)
- Xiaoping He
- School of Data and Computer Science, Guangdong Peizheng College, Guangzhou 510830, China
| | - Guozhou Li
- State Key Laboratory for Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China.
| | - Dong Wu
- State Key Laboratory for Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China.
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12
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Palinski TJ, Tadimety A, Trase I, Vyhnalek BE, Hunter GW, Garmire E, Zhang JXJ. Vibrant reflective sensors with percolation film Fabry-Pérot nanocavities. OPTICS EXPRESS 2021; 29:25000-25010. [PMID: 34614841 DOI: 10.1364/oe.432097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/03/2021] [Indexed: 06/13/2023]
Abstract
Dynamically reconfigurable structural colors are promising materials for new smart optical systems. However, improved reflected color quality (e.g., saturation, optical contrast, angular invariance) and larger tuning range/sensitivity are needed. Here, we demonstrate a vibrant, actively tunable system which meets these needs via coupling broadband plasmonic resonators to a responsive polymer film. Our structure consists of near-percolation gold nanoislands deposited on a poly[methyl methacrylate] (PMMA) spacer above a gold mirror, forming a Fabry-Pérot nanocavity. Broadband absorption in this system creates vivid reflected colors, while the polymer spacer enables continuous tuning over a wide color space. By exploiting swelling effects in PMMA, we show fast, reversible color switching in response to organic vapors. Our sensitive optical structure amplifies small vapor-induced changes in the spacer thickness, enabling naked-eye detection of changes as small as 10 nm. Additionally, optical absorption >99% yields modulation contrasts up to 80:1, opening the door to ultra-sensitive on-chip signal measurements, complementing the visual colorimetric readout. This structure has immediate implications for colorimetric bio/chemical sensing and may also find application to reflective displays and flexible/adaptive optical coatings.
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13
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Liang C, Deng L, Dai Q, Li Z, Zheng G, Guan Z, Li G. Single-celled multifunctional metasurfaces merging structural-color nanoprinting and holography. OPTICS EXPRESS 2021; 29:10737-10748. [PMID: 33820202 DOI: 10.1364/oe.420831] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/15/2021] [Indexed: 06/12/2023]
Abstract
Nanostructured metasurfaces applied in structural-color nanoprinting and holography have been extensively investigated in the past several years. Recently, merging them together is becoming an emerging approach to improve the information capacity and functionality of metasurfaces. However, current approaches, e.g., segmenting, interleaving and stacking schemes for function merging, suffer from crosstalk, low information density, design and fabrication difficulties. Herein, we employ a single-celled approach to design and experimentally demonstrate a high-density multifunctional metasurface merging nanoprinting and holography, i.e., each nanostructure in the metasurface can simultaneously manipulate the spectra (enabled with varied dimensions of nanostructures) and geometric phase (enabled with varied orientation angles of nanostructures) of incident light. Hence, with different decoding strategies, a structural-color nanoprinting image emerges right at the metasurface plane under white light illumination, while a holographic image is reconstructed in the Fraunhofer diffraction zone under circularly polarized laser light incidence. And the two images have no crosstalk since they are independently designed and presented at different distances. Our proposal suggests a space-multiplexing scheme to develop advanced metasurfaces and one can find their markets in high-density information storage, optical information encryption, multi-channel image display, etc.
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14
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Zhang L, Fu Q, Tan Y, Li X, Deng Y, Zhou ZK, Zhou B, Xia H, Chen H, Qiu CW, Zhou J. Metaoptronic Multiplexed Interface for Probing Bioentity Behaviors. NANO LETTERS 2021; 21:2681-2689. [PMID: 33522816 DOI: 10.1021/acs.nanolett.0c04067] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Biointerface sensors have brought about remarkable advances in modern biomedicine. To accurately monitor bioentity's behaviors, biointerface sensors need to capture three main types of information, which are the electric, spectroscopic, and morphologic signals. Simultaneously obtaining these three types of information is of critical importance in the development of future biosensor, which is still not possible in the existing biosensors. Herein, by synergizing metamaterials, optical, and electronic sensing designs, we proposed the metaoptronic multiplexed interface (MMI) and built a MMI biosensor which can collectively record electric, spectroscopic, and morphologic information on bioentities. The MMI biosensor enables the real-time triple-monitoring of cellular dynamics and opens up the possibility for powerlessly monitoring ocular dryness. Our findings not only demonstrate an advanced multiplexed biointerface sensor with integrated capacities but also help to identify a uniquely significant arena for the nanomaterials, meta-optics, and nanotechnologies to play their roles in a complementary manner.
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Affiliation(s)
- Li Zhang
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Quanying Fu
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Yayin Tan
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Xuemeng Li
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnosis, Department of Microbiology and Immunology, Guangdong Medical University, Dongguan 523808, China
| | - Yanhui Deng
- State Key Lab of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China
| | - Zhang-Kai Zhou
- State Key Lab of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China
| | - Bin Zhou
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Hongqi Xia
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Huanjun Chen
- Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Cheng-Wei Qiu
- Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583
| | - Jianhua Zhou
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510275, China
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15
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Ruiz-Clavijo A, Caballero-Calero O, Martín-González M. Revisiting anodic alumina templates: from fabrication to applications. NANOSCALE 2021; 13:2227-2265. [PMID: 33480949 DOI: 10.1039/d0nr07582e] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Anodic porous alumina, -AAO- (also known as nanoporous alumina, nanohole alumina arrays, -NAA- or nanoporous anodized alumina platforms, -NAAP-) has opened new opportunities in a wide range of fields, and is used as an advanced photonic structure for applications in structural coloration and advanced optical biosensing based on the ordered nanoporous structure obtained and as a template to grow nanowires or nanotubes of different materials giving rise to metamaterials with tailored properties. Therefore, understanding the structure of nanoporous anodic alumina templates and knowing how they are fabricated provide a tool for the further design of structures based on them, such as 3D nanoporous structures developed recently. In this work, we review the latest developments related to nanoporous alumina, which is currently a very active field, to provide a solid and thorough reference for all interested experts, both in academia and industry, on these nanostructured and highly useful structures. We present an overview of theories on the formation of pores and self-ordering in alumina, paying special attention to those presented in recent years, and different nanostructures that have been developed recently. Therefore, a wide variety of architectures, ranging from ordered nanoporous structures to diameter changing pores, branched pores, and 3D nanostructures will be discussed. Next, some of the most relevant results using different nanostructured morphologies as templates for the growth of different materials with novel properties and reduced dimensionality in magnetism, thermoelectricity, etc. will be summarised, showing how these structures have influenced the state of the art in a wide variety of fields. Finally, a review on how these anodic aluminium membranes are used as platforms for different applications combined with optical techniques, together with principles behind these applications will be presented, in addition to a hint on the future applications of these versatile nanomaterials. In summary, this review is focused on the most recent developments, without neglecting the basis and older studies that have led the way to these findings. Thus, it gives an updated state-of-the-art review that should be useful not only for experts in the field, but also for non-specialists, helping them to gain a broad understanding of the importance of anodic porous alumina, and most probably, endow them with new ideas for its use in fields of interest or even developing the anodization technique.
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Affiliation(s)
- Alejandra Ruiz-Clavijo
- Instituto de Micro y Nanotecnología, IMN-CNM, CSIC (CEI UAM+CSIC) Isaac Newton, 8, E-28760, Tres Cantos, Madrid, Spain.
| | - Olga Caballero-Calero
- Instituto de Micro y Nanotecnología, IMN-CNM, CSIC (CEI UAM+CSIC) Isaac Newton, 8, E-28760, Tres Cantos, Madrid, Spain.
| | - Marisol Martín-González
- Instituto de Micro y Nanotecnología, IMN-CNM, CSIC (CEI UAM+CSIC) Isaac Newton, 8, E-28760, Tres Cantos, Madrid, Spain.
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16
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Kim Y, Gupta P, Kim K. Controlling the Multiscale Topography of Anodized Aluminum Oxide Nanowire Structures for Surface-Enhanced Raman Scattering and Perfect Absorbers. ACS APPLIED MATERIALS & INTERFACES 2020; 12:58390-58402. [PMID: 33337134 DOI: 10.1021/acsami.0c18138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this study, a plasmonically active substrate is developed with the aim of controlling the perfect absorption and manipulating its optical properties for application in SERS (in NIR regime) and colorimetry. Based on modified fabrication method of anodized aluminum oxide (AAO), the cost-effective self-aggregation technique is presented to fabricate unique topography of bone-fire-like funnel-shaped collapsed and vertically aligned nanowire structures. The length of the nanowire and the modification of surface topography induced by capillary force inside the nanowire are set to structural parameters, and the effect of their changes is closely studied. After deposition of 40 nm gold (Au) film on numerous AAO nanowire structures with different wire lengths and unique topography, the localized surface plasmon resonance excitation is generated, and also its application on reflection and SERS spectra have been shown quantitatively. The length of the wire and surface topography modification are identified as suitable parameters to tune the reflection/absorption (from <40 to >90%) as well as colorimetric effect. Finally, an optimized wire length of Au-coated AAO substrate in SERS sensing application with 3.92 × 105 order of enhancement of rhodamine 6G (R6G) Raman signal is demonstrated.
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Affiliation(s)
- Yeonhong Kim
- School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Prince Gupta
- School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
- NanoSYD, Mads Clausen Institute, University of Southern Denmark, Alsion 2, Sønderborg 6400, Denmark
| | - Kyoungsik Kim
- School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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17
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Le X, Shang H, Yan H, Zhang J, Lu W, Liu M, Wang L, Lu G, Xue Q, Chen T. A Urease-Containing Fluorescent Hydrogel for Transient Information Storage. Angew Chem Int Ed Engl 2020; 60:3640-3646. [PMID: 33135251 DOI: 10.1002/anie.202011645] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/05/2020] [Indexed: 12/30/2022]
Abstract
The improper handling of decrypted information can lead to the leakage of confidential data. Thus, there is increasing interest in the development of self-erasing decrypted data. Herein, we report a urease-containing fluorescent hydrogel for multistage information security protection. Information can be input into the fluorescent hydrogel, which is based on the protonated 4-(N,N-dimethylaminoethylene) amino-N-allyl-1,8-naphthalimide (DEAN-H+ ) and doped with urease, using metal ions, such as Zn2+ that coordinate with DEAN. Upon exposure to urea, urease produces NH3 , which reduces the fluorescence of the hydrogel. In the presence of urea, metal-coordinated hydrogel fluorescence decreases more slowly than the fluorescence of the hydrogel alone, revealing the information. The displayed information is then automatically erased within a few minutes. This work opens up a new insights in designing and fabricating information storage materials.
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Affiliation(s)
- Xiaoxia Le
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China.,Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hui Shang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Huizhen Yan
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Jiawei Zhang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Lu
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Mingjie Liu
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, China
| | - Liping Wang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Guangming Lu
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Qunji Xue
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
| | - Tao Chen
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
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18
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Le X, Shang H, Yan H, Zhang J, Lu W, Liu M, Wang L, Lu G, Xue Q, Chen T. A Urease‐Containing Fluorescent Hydrogel for Transient Information Storage. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011645] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Xiaoxia Le
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education School of Chemistry Beihang University Beijing 100191 China
- School of Chemical Sciences University of Chinese Academy of Sciences Beijing 100049 China
| | - Hui Shang
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
| | - Huizhen Yan
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
| | - Jiawei Zhang
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
- School of Chemical Sciences University of Chinese Academy of Sciences Beijing 100049 China
| | - Wei Lu
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
- School of Chemical Sciences University of Chinese Academy of Sciences Beijing 100049 China
| | - Mingjie Liu
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education School of Chemistry Beihang University Beijing 100191 China
| | - Liping Wang
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
| | - Guangming Lu
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
| | - Qunji Xue
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
| | - Tao Chen
- Key Laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
- School of Chemical Sciences University of Chinese Academy of Sciences Beijing 100049 China
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19
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Liu X, Huang Z, Zang J. All-Dielectric Silicon Nanoring Metasurface for Full-Color Printing. NANO LETTERS 2020; 20:8739-8744. [PMID: 33180509 DOI: 10.1021/acs.nanolett.0c03596] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Structural color has been particularly attractive as it provides a highly promising approach for next-generation color printing. Plasmonic nanostructures have been intensively investigated for color printing, while suffering from intrinsic loss that degrades the quality of the coloration. Dielectric materials have emerged as an alternative because of their high refractive index that enables highly confined optical modes within the nanostructure at the diffraction limit. Here, we demonstrate an all-dielectric nanoring metasurface for coloration. By harnessing the intrinsic nanoring structure design, vivid structural color has been achieved in the visible range. The color gamut is expected to occupy 115% of the standard color space (sRGB) on the chromaticity diagram of the International Commission on Illumination (CIE) 1931 in theory. Our structure can be applied to various complex devices and materials and find potential applications such as displays, information, and art works.
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Affiliation(s)
- Xin Liu
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
- Innovation Institute, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhao Huang
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
- Innovation Institute, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Jianfeng Zang
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
- Innovation Institute, Huazhong University of Science and Technology, Wuhan 430074, China
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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20
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Kim T, Yu ES, Bae YG, Lee J, Kim IS, Chung S, Lee SY, Ryu YS. Asymmetric optical camouflage: tuneable reflective colour accompanied by the optical Janus effect. LIGHT, SCIENCE & APPLICATIONS 2020; 9:175. [PMID: 33088492 PMCID: PMC7569085 DOI: 10.1038/s41377-020-00413-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 09/24/2020] [Accepted: 09/29/2020] [Indexed: 05/28/2023]
Abstract
Going beyond an improved colour gamut, an asymmetric colour contrast, which depends on the viewing direction, and its ability to readily deliver information could create opportunities for a wide range of applications, such as next-generation optical switches, colour displays, and security features in anti-counterfeiting devices. Here, we propose a simple Fabry-Perot etalon architecture capable of generating viewing-direction-sensitive colour contrasts and encrypting pre-inscribed information upon immersion in particular solvents (optical camouflage). Based on the experimental verification of the theoretical modelling, we have discovered a completely new and exotic optical phenomenon involving a tuneable colour switch for viewing-direction-dependent information delivery, which we define as asymmetric optical camouflage.
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Affiliation(s)
- Taehyun Kim
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, 02792 Republic of Korea
- Department of Micro/Nano Systems, Korea University, Seoul, 02841 Republic of Korea
| | - Eui-Sang Yu
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, 02792 Republic of Korea
| | - Young-Gyu Bae
- School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, 41566 Republic of Korea
| | - Jongsu Lee
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, 02792 Republic of Korea
| | - In Soo Kim
- Nanophotonics Research Center, Korea Institute of Science and Technology, Seoul, 02792 Republic of Korea
| | - Seok Chung
- Department of Micro/Nano Systems, Korea University, Seoul, 02841 Republic of Korea
- School of Mechanical Engineering, Korea University, Seoul, 02841 Republic of Korea
| | - Seung-Yeol Lee
- School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, 41566 Republic of Korea
| | - Yong-Sang Ryu
- Sensor System Research Center, Korea Institute of Science and Technology, Seoul, 02792 Republic of Korea
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21
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Lee Y, Yun J, Seo M, Kim SJ, Oh J, Kang CM, Sun HJ, Chung TD, Lee B. Full-Color-Tunable Nanophotonic Device Using Electrochromic Tungsten Trioxide Thin Film. NANO LETTERS 2020; 20:6084-6090. [PMID: 32603122 DOI: 10.1021/acs.nanolett.0c02097] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Color generation based on strategically designed plasmonic nanostructures is a promising approach for display applications with unprecedented high-resolution. However, it is disadvantageous in that the optical response is fixed once the structure is determined. Therefore, obtaining high modulation depth with reversible optical properties while maintaining its fixed nanostructure is a great challenge in nanophotonics. In this work, dynamic color tuning and switching using tungsten trioxide (WO3), a representative electrochromic material, are demonstrated with reflection-type and transmission-type optical devices. Thin WO3 films incorporated in simple stacked configurations undergo dynamic color change by the adjustment of their dielectric constant through the electrochromic principle. A large resonance wavelength shift up to 107 nm under an electrochemical bias of 3.2 V could be achieved by the reflection-type device. For the transmission-type device, on/off switchable color pixels with improved purity are demonstrated of which transmittance is modulated by up to 4.04:1.
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Affiliation(s)
- Yohan Lee
- Inter-University Semiconductor Research Center and School of Electrical and Computer Engineering, Seoul National University, Seoul 08826, South Korea
| | - Jeongse Yun
- Department of Chemistry, Seoul National University, Seoul 08826, South Korea
| | - Minjee Seo
- Department of Chemistry, Seoul National University, Seoul 08826, South Korea
| | - Sun-Je Kim
- Inter-University Semiconductor Research Center and School of Electrical and Computer Engineering, Seoul National University, Seoul 08826, South Korea
| | - Jaehyun Oh
- Department of Material Science and Engineering, Kunsan National University, Kunsan 54151, South Korea
| | - Chung Mu Kang
- Advanced Institute of Convergence Technology, Suwon 16229, South Korea
| | - Ho-Jung Sun
- Department of Material Science and Engineering, Kunsan National University, Kunsan 54151, South Korea
| | - Taek Dong Chung
- Department of Chemistry, Seoul National University, Seoul 08826, South Korea
- Advanced Institute of Convergence Technology, Suwon 16229, South Korea
| | - Byoungho Lee
- Inter-University Semiconductor Research Center and School of Electrical and Computer Engineering, Seoul National University, Seoul 08826, South Korea
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22
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Feng L, Huo P, Liang Y, Xu T. Photonic Metamaterial Absorbers: Morphology Engineering and Interdisciplinary Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1903787. [PMID: 31566259 DOI: 10.1002/adma.201903787] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 08/29/2019] [Indexed: 06/10/2023]
Abstract
Recent advances in nanofabrication technologies have spurred many breakthroughs in the field of photonic metamaterials that provide efficient ways of manipulating light-matter interaction at subwavelength scales. As one of the most important applications, photonic metamaterials can be used to implement novel optical absorbers. First the morphology engineering of various photonic metamaterial absorbers is discussed, which is highly associated with impendence matching conditions and resonance modes of the absorbers, thus directly determines their absorption efficiency, operational bandwidth, incident angle, and polarization dependence. Then, the recent achievements of various interdisciplinary applications based on photonic metamaterial absorbers, including structural color generation, ultrasensitive optical sensing, solar steam generation, and highly responsive photodetection, are reviewed. This report is expected to provide an overview and vision for the future development of photonic metamaterial absorbers and their applications in novel nanophotonic systems.
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Affiliation(s)
- Lei Feng
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China
| | - Pengcheng Huo
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China
| | - Yuzhang Liang
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China
| | - Ting Xu
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China
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23
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Manzano CV, Schwiedrzik JJ, Bürki G, Pethö L, Michler J, Philippe L. A set of empirical equations describing the observed colours of metal-anodic aluminium oxide-Al nanostructures. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:798-806. [PMID: 32509493 PMCID: PMC7237813 DOI: 10.3762/bjnano.11.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 04/27/2020] [Indexed: 06/11/2023]
Abstract
Structural colours have received a lot of attention regarding the reproduction of the vivid colours found in nature. In this study, metal-anodic aluminium oxide (AAO)-Al nanostructures were deposited using a two-step anodization and sputtering process to produce self-ordered anodic aluminium oxide films and a metal layer (8 nm Cr and 25, 17.5 and 10 nm of Au), respectively. AAO films of different thickness were anodized and the Yxy values (Y is the luminance value, and x and y are the chromaticity values) were obtained via reflectance measurements. An empirical model based on the thickness and porosity of the nanostructures was determined, which describes a gamut of colours. The proposed mathematical model can be applied in different fields, such as wavelength absorbers, RGB (red, green, blue) display devices, as well as chemical or optical sensors.
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Affiliation(s)
- Cristina V Manzano
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Feuerwerkerstrasse 39, CH-3602 Thun, Switzerland
| | - Jakob J Schwiedrzik
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Feuerwerkerstrasse 39, CH-3602 Thun, Switzerland
| | - Gerhard Bürki
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Feuerwerkerstrasse 39, CH-3602 Thun, Switzerland
| | - Laszlo Pethö
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Feuerwerkerstrasse 39, CH-3602 Thun, Switzerland
| | - Johann Michler
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Feuerwerkerstrasse 39, CH-3602 Thun, Switzerland
| | - Laetitia Philippe
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Feuerwerkerstrasse 39, CH-3602 Thun, Switzerland
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24
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Yang W, Xiao S, Song Q, Liu Y, Wu Y, Wang S, Yu J, Han J, Tsai DP. All-dielectric metasurface for high-performance structural color. Nat Commun 2020; 11:1864. [PMID: 32313078 PMCID: PMC7171068 DOI: 10.1038/s41467-020-15773-0] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 03/24/2020] [Indexed: 12/24/2022] Open
Abstract
The achievement of structural color has shown advantages in large-gamut, high-saturation, high-brightness, and high-resolution. While a large number of plasmonic/dielectric nanostructures have been developed for structural color, the previous approaches fail to match all the above criterion simultaneously. Herein we utilize the Si metasurface to demonstrate an all-in-one solution for structural color. Due to the intrinsic material loss, the conventional Si metasurfaces only have a broadband reflection and a small gamut of 78% of sRGB. Once they are combined with a refractive index matching layer, the reflection bandwidth and the background reflection are both reduced, improving the brightness and the color purity significantly. Consequently, the experimentally demonstrated gamut has been increased to around 181.8% of sRGB, 135.6% of Adobe RGB, and 97.2% of Rec.2020. Meanwhile, high refractive index of silicon preserves the distinct color in a pixel with 2 × 2 array of nanodisks, giving a diffraction-limit resolution.
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Affiliation(s)
- Wenhong Yang
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Harbin Institute of Technology, Shenzhen, Shenzhen, 518055, China
| | - Shumin Xiao
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Harbin Institute of Technology, Shenzhen, Shenzhen, 518055, China.
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, 030006, China.
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin, 150080, China.
| | - Qinghai Song
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Harbin Institute of Technology, Shenzhen, Shenzhen, 518055, China
- Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, 030006, China
| | - Yilin Liu
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Harbin Institute of Technology, Shenzhen, Shenzhen, 518055, China
| | - Yunkai Wu
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Harbin Institute of Technology, Shenzhen, Shenzhen, 518055, China
| | - Shuai Wang
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Harbin Institute of Technology, Shenzhen, Shenzhen, 518055, China
| | - Jie Yu
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Harbin Institute of Technology, Shenzhen, Shenzhen, 518055, China
| | - Jiecai Han
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin, 150080, China
| | - Din-Ping Tsai
- Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.
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25
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Wu Y, Ren J, Zhang S, Wu S. Nanosphere-Aggregation-Induced Reflection and Its Application in Large-Area and High-Precision Panchromatic Inkjet Printing. ACS APPLIED MATERIALS & INTERFACES 2020; 12:10867-10874. [PMID: 32078287 DOI: 10.1021/acsami.0c00547] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Artificial structural colors have attracted more and more attention due to their high photostability, low toxicity, and brilliant colors. Inkjet printing of photonic crystals or amorphous photonic structures can realize large-scale structural color patterns, while plasma printing of metals can achieve high-precision color images. However, still no method is available to fabricate structural color patterns on both a large scale and with high precision. Here, nanosphere-aggregation-induced reflection (NAIR) is first theoretically and experimentally demonstrated and vivid full-spectrum structural color can be generated based on NAIR. Dramatically different from photonic crystals, the accumulation of only a few monodisperse dielectric spheres with an appropriate refractive index and diameter can produce bright structural colors, which makes high resolution possible. By introducing commercial inkjet printers, this aggregate structure can be constructed at high speed in a large scale. Importantly, the color mixing is easily performed by simultaneously applying spheres with different sizes, which allow us to sophisticatedly control the generated color. The demonstrated NAIR printing paves the way toward a full-spectrum, large-scale, and high-precision structural color, offering great potential for daily commercial utilization.
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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
| | - Jie Ren
- 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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26
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Hail CU, Schnoering G, Damak M, Poulikakos D, Eghlidi H. A Plasmonic Painter's Method of Color Mixing for a Continuous Red-Green-Blue Palette. ACS NANO 2020; 14:1783-1791. [PMID: 32003976 DOI: 10.1021/acsnano.9b07523] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The ability of mixing colors with remarkable results had long been exclusive to the talents of master painters. By finely combining colors in different amounts on the palette, intuitively, they obtain smooth gradients with any given color. Creating such smooth color variations through scattering by the structural patterning of a surface, as opposed to color pigments, has long remained a challenge. Here, we borrow from the painter's approach and demonstrate color mixing generated by an optical metasurface. We propose a single-layer plasmonic color pixel and a method for nanophotonic structural color mixing based on the additive red-green-blue (RGB) color model. The color pixels consist of plasmonic nanorod arrays that generate vivid primary colors and enable independent control of color brightness without affecting chromaticity by simply varying geometric in-plane parameters. By interleaving different nanorod arrays, we combine up to three primary colors on a single pixel. Based on this, two- and three-color mixing is demonstrated, enabling the continuous coverage of a plasmonic RGB color gamut and yielding a palette with a virtually unlimited number of colors. With this multiresonant color pixel, we show the photorealistic printing of color and monochrome images at the nanoscale, with ultrasmooth transitions in color and brightness. Our color-mixing approach can be applied to a broad range of scatterer designs and materials and has the potential to be used for multiwavelength color filters and dynamic photorealistic displays.
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Affiliation(s)
- Claudio U Hail
- Laboratory of Thermodynamics in Emerging Technologies , ETH Zürich , Sonneggstrasse 3 , CH-8092 Zürich , Switzerland
| | - Gabriel Schnoering
- Laboratory of Thermodynamics in Emerging Technologies , ETH Zürich , Sonneggstrasse 3 , CH-8092 Zürich , Switzerland
| | - Mehdi Damak
- Laboratory of Thermodynamics in Emerging Technologies , ETH Zürich , Sonneggstrasse 3 , CH-8092 Zürich , Switzerland
| | - Dimos Poulikakos
- Laboratory of Thermodynamics in Emerging Technologies , ETH Zürich , Sonneggstrasse 3 , CH-8092 Zürich , Switzerland
| | - Hadi Eghlidi
- Laboratory of Thermodynamics in Emerging Technologies , ETH Zürich , Sonneggstrasse 3 , CH-8092 Zürich , Switzerland
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Huang Z, Liu X, Zang J. The inverse design of structural color using machine learning. NANOSCALE 2019; 11:21748-21758. [PMID: 31498348 DOI: 10.1039/c9nr06127d] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Efficiently identifying optical structures with desired functionalities, referred to as inverse design, can dramatically accelerate the invention of new photonic devices, and this is especially useful in the design of large scale integrated photonic chips. Structural color with high-resolution, high-saturation, and low-loss holds great promise in image display, data storage and information security. However, the inverse design of structural color remains an open challenge, and this impedes practical application. Here, we propose an inverse design strategy for structural color using machine learning (ML) technologies. The supervised learning (SL) models are trained with the geometries and colors of dielectric arrays to capture accurate geometry-color relationships, and these are then applied to a reinforcement learning (RL) algorithm in order to find the optical structural geometries for the desired color. Our work succeeds in finding simple and accurate models to describe geometry-color relationships, which significantly improves the efficiency of the design. This strategy provides a systematic method to directly encode generic functionality into a set of structures and geometries, paving the way for the inverse design of functional photonic devices.
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Affiliation(s)
- Zhao Huang
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China430074.
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Ultrahigh resolution and color gamut with scattering-reducing transmissive pixels. Nat Commun 2019; 10:4782. [PMID: 31636260 PMCID: PMC6803669 DOI: 10.1038/s41467-019-12689-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Accepted: 09/13/2019] [Indexed: 11/16/2022] Open
Abstract
While plasmonic designs have dominated recent trends in structural color, schemes using localized surface plasmon resonances and surface plasmon polaritons that simultaneously achieve high color vibrancy at ultrahigh resolution have been elusive because of tradeoffs between size and performance. Herein we demonstrate vibrant and size-invariant transmissive type multicolor pixels composed of hybrid TiOx-Ag core-shell nanowires based on reduced scattering at their electric dipolar Mie resonances. This principle permits the hybrid nanoresonator to achieve the widest color gamut (~74% sRGB area coverage), linear color mixing, and the highest reported single color dots-per-inch (58,000~141,000) in transmission mode. Exploiting such features, we further show that an assembly of distinct nanoresonators can constitute a multicolor pixel for use in multispectral imaging, with a size that is ~10-folds below the Nyquist limit using a typical high NA objective lens. Tradeoffs between size and performance have limited plasmonic structural color vibrancy at high resolution. Here the authors present a nanophotonic resonant metal-coated nanowire capable of being used as a size invariant, vibrant multicolor pixel.
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29
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Bakan G, Ayas S, Serhatlioglu M, Dana A, Elbuken C. Reversible decryption of covert nanometer-thick patterns in modular metamaterials. OPTICS LETTERS 2019; 44:4507-4510. [PMID: 31517946 DOI: 10.1364/ol.44.004507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 08/03/2019] [Indexed: 06/10/2023]
Abstract
Continuous development of security features is mandatory for the fight against forgery of valuable documents and products, the most notable example being banknotes. Such features demonstrate specific properties under certain stimuli such as fluorescent patterns glowing under ultraviolet light. These security features should also be hard to copy by unlicensed people and be interrogated by anyone using easily accessible tools. To this end, this Letter demonstrates the development of an ideal security feature enabled by the realization of modular metamaterials based on metal-dielectric-metal cavities that consist of two separate parts: metal nanoparticles on an elastomeric substrate and a bottom mirror coated with a thin dielectric. Patterns generated by creating nanometer-thick changes in the dielectric layer are invisible (encrypted) and can only be detected (decrypted) by sticking the elastomeric patch on. The observed optical effects such as visibility and colors can only be produced with the correct combination of materials and film thicknesses, making the proposed structures a strong alternative to compromised security features.
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30
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Zhang ZY, Liu Y. Ultralong room-temperature phosphorescence of a solid-state supramolecule between phenylmethylpyridinium and cucurbit[6]uril. Chem Sci 2019; 10:7773-7778. [PMID: 31588325 PMCID: PMC6764277 DOI: 10.1039/c9sc02633a] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 06/28/2019] [Indexed: 12/23/2022] Open
Abstract
Long-lived organic room-temperature phosphorescence (RTP) has received great attention because of its various potential applications. Herein, we report a persistent RTP of a solid-state supramolecule between a cucurbit[6]uril (CB[6]) host and a heavy-atom-free phenylmethylpyridinium guest. Significantly, the long-lived phosphorescence completely depends on the host-guest complexation, revealing that the non-phosphorescent guest exhibits a 2.62 s ultralong lifetime after being complexed by CB[6] under ambient conditions. The ultralong RTP is because of tight encapsulation of CB[6], which boosts intersystem crossing, suppresses nonradiative relaxation and possibly shields quenchers. Moreover, several phosphorescent complexes possessing different lifetimes are prepared and successfully applied in triple lifetime-encoding for data encryption and anti-counterfeiting. This strategy provides a new insight for realizing purely organic RTP with ultralong lifetime and expands its application in the field of information protection.
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Affiliation(s)
- Zhi-Yuan Zhang
- Department of Chemistry , State Key Laboratory of Elemento-Organic Chemistry , Nankai University , Tianjin 300071 , P. R. China .
| | - Yu Liu
- Department of Chemistry , State Key Laboratory of Elemento-Organic Chemistry , Nankai University , Tianjin 300071 , P. R. China .
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31
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Mori T, Yoshigoe Y, Kuninobu Y. Control of Multicolor and White Emission by Adjusting the Equilibrium between Fluorophores, Lewis Acids, and Their Complexes in Polymers. Angew Chem Int Ed Engl 2019; 58:14457-14461. [DOI: 10.1002/anie.201903408] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 08/05/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Toshiaki Mori
- Department of Molecular and Material Sciences Interdisciplinary Graduate School of Engineering Sciences Kyushu University 6-1 Kasugakoen, Kasuga-shi Fukuoka 816-8580 Japan
| | - Yusuke Yoshigoe
- Institute for Materials Chemistry and Engineering Kyushu University 6-1 Kasugakoen, Kasuga-shi Fukuoka 816-8580 Japan
| | - Yoichiro Kuninobu
- Institute for Materials Chemistry and Engineering Kyushu University 6-1 Kasugakoen, Kasuga-shi Fukuoka 816-8580 Japan
- Department of Molecular and Material Sciences Interdisciplinary Graduate School of Engineering Sciences Kyushu University 6-1 Kasugakoen, Kasuga-shi Fukuoka 816-8580 Japan
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32
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Mori T, Yoshigoe Y, Kuninobu Y. Control of Multicolor and White Emission by Adjusting the Equilibrium between Fluorophores, Lewis Acids, and Their Complexes in Polymers. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903408] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Toshiaki Mori
- Department of Molecular and Material Sciences Interdisciplinary Graduate School of Engineering Sciences Kyushu University 6-1 Kasugakoen, Kasuga-shi Fukuoka 816-8580 Japan
| | - Yusuke Yoshigoe
- Institute for Materials Chemistry and Engineering Kyushu University 6-1 Kasugakoen, Kasuga-shi Fukuoka 816-8580 Japan
| | - Yoichiro Kuninobu
- Institute for Materials Chemistry and Engineering Kyushu University 6-1 Kasugakoen, Kasuga-shi Fukuoka 816-8580 Japan
- Department of Molecular and Material Sciences Interdisciplinary Graduate School of Engineering Sciences Kyushu University 6-1 Kasugakoen, Kasuga-shi Fukuoka 816-8580 Japan
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Song T, Chen Z, Zhang W, Lin L, Bao Y, Wu L, Zhou ZK. Compounding Plasmon⁻Exciton Strong Coupling System with Gold Nanofilm to Boost Rabi Splitting. NANOMATERIALS 2019; 9:nano9040564. [PMID: 30959968 PMCID: PMC6523316 DOI: 10.3390/nano9040564] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/03/2019] [Accepted: 04/04/2019] [Indexed: 11/25/2022]
Abstract
Various plasmonic nanocavities possessing an extremely small mode volume have been developed and applied successfully in the study of strong light-matter coupling. Driven by the desire of constructing quantum networks and other functional quantum devices, a growing trend of strong coupling research is to explore the possibility of fabricating simple strong coupling nanosystems as the building blocks to construct complex systems or devices. Herein, we investigate such a nanocube-exciton building block (i.e. AuNC@J-agg), which is fabricated by coating Au nanocubes with excitonic J-aggregate molecules. The extinction spectra of AuNC@J-agg assembly, as well as the dark field scattering spectra of the individual nanocube-exciton, exhibit Rabi splitting of 100–140 meV, which signifies strong plasmon–exciton coupling. We further demonstrate the feasibility of constructing a more complex system of AuNC@J-agg on Au film, which achieves a much stronger coupling, with Rabi splitting of 377 meV. This work provides a practical pathway of building complex systems from building blocks, which are simple strong coupling systems, which lays the foundation for exploring further fundamental studies or inventing novel quantum devices.
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Affiliation(s)
- Tingting Song
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China.
| | - Zhanxu Chen
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China.
- School of Optoelectronic Engineering, Guang Dong Polytechnic Normal University, Guangzhou 510665, China.
| | - Wenbo Zhang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China.
| | - Limin Lin
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China.
| | - Yanjun Bao
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China.
| | - Lin Wu
- Institute of High Performance Computing, A*STAR (Agency for Science, Technology and Research), 1 Fusionopolis Way, Connexis, Singapore 138632, Singapore.
| | - Zhang-Kai Zhou
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, Guangzhou 510275, China.
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Xu W, Lee MMS, Zhang Z, Sung HHY, Williams ID, Kwok RTK, Lam JWY, Wang D, Tang BZ. Facile synthesis of AIEgens with wide color tunability for cellular imaging and therapy. Chem Sci 2019; 10:3494-3501. [PMID: 30996940 PMCID: PMC6432335 DOI: 10.1039/c8sc05805a] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 02/18/2019] [Indexed: 12/15/2022] Open
Abstract
Luminogens with aggregation-induced emission (AIE) characteristics are nowadays undergoing explosive development in the fields of imaging, process visualization, diagnosis and therapy. However, exploration of an AIE luminogen (AIEgen) system allowing for extremely wide color tunability remains challenging. In this contribution, the facile synthesis of triphenylamine (TPA)-thiophene building block-based AIEgens having tunable maximum emission wavelengths covering violet, blue, green, yellow, orange, red, deep red and NIR regions is reported. The obtained AIEgens can be utilized as extraordinary fluorescent probes for lipid droplet (LD)-specific cell imaging and cell fusion assessment, showing excellent image contrast to the cell background and high photostability, as well as satisfactory visualization outcomes. Interestingly, quantitative evaluation of the phototherapy effect demonstrates that one of these presented AIEgens, namely TTNIR, performs well as a photosensitizer for photodynamic ablation of cancer cells upon white light irradiation. This study thus provides useful insights into rational design of fluorescence systems for widely tuning emission colors with high brightness, and remarkably extends the applications of AIEgens.
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Affiliation(s)
- Wenhan Xu
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , Department of Chemistry , Institute of Molecular Functional Materials , State Key Laboratory of Neuroscience , Division of Biomedical Engineering , Division of Life Science , The Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong , China .
| | - Michelle M S Lee
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , Department of Chemistry , Institute of Molecular Functional Materials , State Key Laboratory of Neuroscience , Division of Biomedical Engineering , Division of Life Science , The Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong , China .
| | - Zhihan Zhang
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , Department of Chemistry , Institute of Molecular Functional Materials , State Key Laboratory of Neuroscience , Division of Biomedical Engineering , Division of Life Science , The Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong , China .
| | - Herman H Y Sung
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , Department of Chemistry , Institute of Molecular Functional Materials , State Key Laboratory of Neuroscience , Division of Biomedical Engineering , Division of Life Science , The Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong , China .
| | - Ian D Williams
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , Department of Chemistry , Institute of Molecular Functional Materials , State Key Laboratory of Neuroscience , Division of Biomedical Engineering , Division of Life Science , The Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong , China .
| | - Ryan T K Kwok
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , Department of Chemistry , Institute of Molecular Functional Materials , State Key Laboratory of Neuroscience , Division of Biomedical Engineering , Division of Life Science , The Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong , China .
| | - Jacky W Y Lam
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , Department of Chemistry , Institute of Molecular Functional Materials , State Key Laboratory of Neuroscience , Division of Biomedical Engineering , Division of Life Science , The Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong , China .
| | - Dong Wang
- Center for AIE Research , College of Materials Science and Engineering , Shenzhen University , Shenzhen 518060 , China .
| | - Ben Zhong Tang
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction , Department of Chemistry , Institute of Molecular Functional Materials , State Key Laboratory of Neuroscience , Division of Biomedical Engineering , Division of Life Science , The Hong Kong University of Science and Technology , Clear Water Bay , Kowloon , Hong Kong , China .
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35
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Kim YJ, Yoo YJ, Lee GJ, Yoo DE, Lee DW, Siva V, Song H, Kang IS, Song YM. Enlarged Color Gamut Representation Enabled by Transferable Silicon Nanowire Arrays on Metal-Insulator-Metal Films. ACS APPLIED MATERIALS & INTERFACES 2019; 11:11849-11856. [PMID: 30831023 DOI: 10.1021/acsami.8b21554] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Artificial structural colors arising from nanosized materials have drawn much attention because of ultrahigh resolution, durability, and versatile utilizations compared to conventional pigments and dyes. However, the limited color range with current approaches has interrupted the supply for upcoming structural colorimetric applications. Here, we suggest a strategy for the widening of the color gamut by linear combination of two different resonance modes originating from silicon nanowire arrays (Si NWAs) and metal-insulator-metal nanoresonators. The enlarged color gamut representations are simply demonstrated by transferring Si NWAs embedded in a flexible polymer layer without additional treatment/fabrication. Optical simulation is used to verify the additive creation of a new resonance dip, without disturbing the original mode, and provides "predictable" color reproduction. Furthermore, we prove that the proposed structures are applicable to well-known semiconductor materials for various flexible optical devices and other colorant applications.
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Affiliation(s)
- Yeong Jae Kim
- School of Electrical Engineering and Computer Science , Gwangju Institute of Science and Technology , 123 Cheomdangwagi-ro , Buk-gu, Gwangju 61005 , Republic of Korea
| | - Young Jin Yoo
- School of Electrical Engineering and Computer Science , Gwangju Institute of Science and Technology , 123 Cheomdangwagi-ro , Buk-gu, Gwangju 61005 , Republic of Korea
| | - Gil Ju Lee
- School of Electrical Engineering and Computer Science , Gwangju Institute of Science and Technology , 123 Cheomdangwagi-ro , Buk-gu, Gwangju 61005 , Republic of Korea
| | - Dong Eun Yoo
- National Nanofab Center , Korea Advanced Institute of Science and Technology , 291 Daehak-ro , Yuseong-gu, Daejeon 34141 , Republic of Korea
| | - Dong Wook Lee
- National Nanofab Center , Korea Advanced Institute of Science and Technology , 291 Daehak-ro , Yuseong-gu, Daejeon 34141 , Republic of Korea
| | - Vantari Siva
- School of Electrical Engineering and Computer Science , Gwangju Institute of Science and Technology , 123 Cheomdangwagi-ro , Buk-gu, Gwangju 61005 , Republic of Korea
| | - Hansung Song
- School of Electrical Engineering and Computer Science , Gwangju Institute of Science and Technology , 123 Cheomdangwagi-ro , Buk-gu, Gwangju 61005 , Republic of Korea
| | - Il Suk Kang
- National Nanofab Center , Korea Advanced Institute of Science and Technology , 291 Daehak-ro , Yuseong-gu, Daejeon 34141 , Republic of Korea
| | - Young Min Song
- School of Electrical Engineering and Computer Science , Gwangju Institute of Science and Technology , 123 Cheomdangwagi-ro , Buk-gu, Gwangju 61005 , Republic of Korea
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36
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Esposito M, Todisco F, Bakhti S, Passaseo A, Tarantini I, Cuscunà M, Destouches N, Tasco V. Symmetry Breaking in Oligomer Surface Plasmon Lattice Resonances. NANO LETTERS 2019; 19:1922-1930. [PMID: 30721077 DOI: 10.1021/acs.nanolett.8b05062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We describe a novel plasmonic-mode engineering, enabled by the structural symmetry of a plasmonic crystal with a metallic oligomer as unit cell. We show how the oligomer symmetry can tailor the scattering directions to spatially overlap with the diffractive orders directions of a plasmonic array. Applied to the color generation field, the presented approach enables the challenging achievement of a broad spectrum of angle-dependent colors since smooth and continuous generation of transmitted vibrant colors, covering both the cyan-magenta-yellow and the red-green-blue color spaces, is demonstrated by scattering angle- and polarization-dependent optical response. The addition of a symmetry driven level of control multiplies the possibility of optical information storage, being of potential interest for secured optical information encoding but also for nanophotonic applications, from demultiplexers or signal processing devices to on-chip optical nanocircuitry.
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Affiliation(s)
- Marco Esposito
- CNR NANOTEC-Nanotechnology Institute , Campus Ecotekne, via Monteroni , IT-73100 Lecce , Italy
| | - Francesco Todisco
- Center for Nano Optics , University of Southern Denmark , Campusvej 55 , DK-5230 Odense M , Denmark
| | - Said Bakhti
- Institut d'Optique Graduate School, Laboratoire Hubert Curien UMR 5516 , University of Lyon, UJM-Saint-Etienne, CNRS , F-42023 , Saint-Etienne , France
| | - Adriana Passaseo
- CNR NANOTEC-Nanotechnology Institute , Campus Ecotekne, via Monteroni , IT-73100 Lecce , Italy
| | - Iolena Tarantini
- Department of Mathematics and Physics Ennio De Giorgi , University of Salento , Via Arnesano , Lecce 73100 Italy
| | - Massimo Cuscunà
- CNR NANOTEC-Nanotechnology Institute , Campus Ecotekne, via Monteroni , IT-73100 Lecce , Italy
| | - Nathalie Destouches
- Institut d'Optique Graduate School, Laboratoire Hubert Curien UMR 5516 , University of Lyon, UJM-Saint-Etienne, CNRS , F-42023 , Saint-Etienne , France
| | - Vittorianna Tasco
- CNR NANOTEC-Nanotechnology Institute , Campus Ecotekne, via Monteroni , IT-73100 Lecce , Italy
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Cheng ZQ, Li ZW, Xu JH, Yao R, Li ZL, Liang S, Cheng GL, Zhou YH, Luo X, Zhong J. Morphology-Controlled Fabrication of Large-Scale Dendritic Silver Nanostructures for Catalysis and SERS Applications. NANOSCALE RESEARCH LETTERS 2019; 14:89. [PMID: 30868364 PMCID: PMC6419638 DOI: 10.1186/s11671-019-2923-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 03/01/2019] [Indexed: 05/22/2023]
Abstract
Highly branched metallic nanostructures, which possess a large amount of catalyst active sites and surface-enhanced Raman scattering (SERS) hot spots owing to their large surface areas, multi-level branches, corners, and edges, have shown potential in various applications including catalysis and SERS. In this study, well-defined dendritic silver (Ag) nanostructures were prepared by a facile and controllable electrochemical deposition strategy. The morphology of Ag nanostructures is controlled by regulating electrodeposition time and concentration of AgNO3 in the electrolyte solution. Compared to conventional Ag nanoparticle films, dendritic Ag nanostructures exhibited larger SERS enhancement ascribed to the numerous hot spots exist in the nanogaps of parallel and vertically stacked multilayer Ag dendrites. In addition, the prepared dendritic Ag nanostructures show 3.2-fold higher catalytic activity towards the reduction of 4-nitrophenol (4-NP) by NaBH4 than the Ag nanoparticle films. The results indicate that the dendritic Ag nanostructures represent a unique bifunctional nanostructure that serves as both efficient catalysts and excellent SERS substrates, which may be further employed as a nanoreactor for in situ investigation and real-time monitoring of catalytic reactions by SERS technique.
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Affiliation(s)
- Zi-Qiang Cheng
- Department of Applied Physics, School of Science, East China Jiaotong University, Nanchang, 330013 People’s Republic of China
| | - Zhi-Wen Li
- Department of Applied Physics, School of Science, East China Jiaotong University, Nanchang, 330013 People’s Republic of China
| | - Jing-Han Xu
- Department of Applied Physics, School of Science, East China Jiaotong University, Nanchang, 330013 People’s Republic of China
| | - Rui Yao
- Department of Applied Physics, School of Science, East China Jiaotong University, Nanchang, 330013 People’s Republic of China
| | - Zong-Lin Li
- Department of Applied Physics, School of Science, East China Jiaotong University, Nanchang, 330013 People’s Republic of China
| | - Shan Liang
- Department of Physics, Hunan Normal University, Changsha, 410081 People’s Republic of China
| | - Guang-Ling Cheng
- Department of Applied Physics, School of Science, East China Jiaotong University, Nanchang, 330013 People’s Republic of China
| | - Yan-Hong Zhou
- Department of Applied Physics, School of Science, East China Jiaotong University, Nanchang, 330013 People’s Republic of China
| | - Xin Luo
- Department of Applied Physics, School of Science, East China Jiaotong University, Nanchang, 330013 People’s Republic of China
| | - Jiang Zhong
- School of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, 330013 People’s Republic of China
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38
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Orientation Growth and Magnetic Properties of Electrochemical Deposited Nickel Nanowire Arrays. Catalysts 2019. [DOI: 10.3390/catal9020152] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Highly ordered ferromagnetic metal nanowire arrays with preferred growth direction show potential applications in electronic and spintronic devices. In this work, by employing a porous anodic aluminum oxide template-assisted electrodeposition method, we successfully prepared Ni nanowire arrays. Importantly, the growth direction of Ni nanowire arrays can be controlled by varying the current densities. The crystalline and growth orientation of Ni nanowire arrays show effects on magnetic properties. Single-crystallinity Ni nanowires with [110] orientation show the best magnetic properties, including coercivity and squareness, along the parallel direction of the nanowire axis. The current preparation strategy can be used to obtain other nanowire arrays (such as metal, alloy, and semiconductor) with controlled growth direction in confined space, and is therefore of broad interest for different applications.
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Xue J, Zhou ZK, Lin L, Guo C, Sun S, Lei D, Qiu CW, Wang XH. Perturbative countersurveillance metaoptics with compound nanosieves. LIGHT, SCIENCE & APPLICATIONS 2019; 8:101. [PMID: 31754428 PMCID: PMC6858309 DOI: 10.1038/s41377-019-0212-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 10/10/2019] [Accepted: 10/24/2019] [Indexed: 05/02/2023]
Abstract
The progress of metaoptics relies on identifying photonic materials and geometries, the combination of which represents a promising approach to complex and desired optical functionalities. Material candidate options are primarily limited by natural availability. Thus, the search for meta-atom geometries, by either forward or inverse means, plays a pivotal role in achieving more sophisticated phenomena. Past efforts mainly focused on building the geometric library of individual meta-atoms and synthesizing various ones into a design. However, those efforts neglected the powerfulness of perturbative metaoptics due to the perception that perturbations are usually regarded as adverse and in need of being suppressed. Here, we report a perturbation-induced countersurveillance strategy using compound nanosieves mediated by structural and thermal perturbations. Private information can be almost perfectly concealed and camouflaged by the induced thermal-spectral drifts, enabling information storage and exchange in a covert way. This perturbative metaoptics can self-indicate whether the hidden information has been attacked during delivery. Our results establish a perturbative paradigm of securing a safer world of information and internet of things.
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Affiliation(s)
- Jiancai Xue
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Zhang-Kai Zhou
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Limin Lin
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Chao Guo
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Shang Sun
- Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583 Singapore
| | - Dangyuan Lei
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong
| | - Cheng-Wei Qiu
- Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583 Singapore
| | - Xue-Hua Wang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
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40
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Luo X, Tsai D, Gu M, Hong M. Extraordinary optical fields in nanostructures: from sub-diffraction-limited optics to sensing and energy conversion. Chem Soc Rev 2019; 48:2458-2494. [PMID: 30839959 DOI: 10.1039/c8cs00864g] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Along with the rapid development of micro/nanofabrication technology, the past few decades have seen the flourishing emergence of subwavelength-structured materials and interfaces for optical field engineering at the nanoscale. Three remarkable properties associated with these subwavelength-structured materials are the squeezed optical fields beyond the diffraction limit, gradient optical fields in the subwavelength scale, and enhanced optical fields that are orders of magnitude greater than the incident field. These engineered optical fields have inspired fundamental and practical advances in both engineering optics and modern chemistry. The first property is the basis of sub-diffraction-limited imaging, lithography, and dense data storage. The second property has led to the emergence of a couple of thin and planar functional optical devices with a reduced footprint. The third one causes enhanced radiation (e.g., fluorescence), scattering (e.g., Raman scattering), and absorption (e.g., infrared absorption and circular dichroism), offering a unique platform for single-molecule-level biochemical sensing, and high-efficiency chemical reaction and energy conversion. In this review, we summarize recent advances in subwavelength-structured materials that bear extraordinary squeezed, gradient, and enhanced optical fields, with a particular emphasis on their optical and chemical applications. Finally, challenges and outlooks in this promising field are discussed.
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Affiliation(s)
- Xiangang Luo
- State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China.
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41
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Lee JH, Singh SP, Kim M, Pyo M, Park WB, Sohn KS. A rate equation model for the energy transfer mechanism of a novel multi-color-emissive phosphor, Ca 1.624Sr 0.376Si 5O 3N 6:Eu 2+. Inorg Chem Front 2019. [DOI: 10.1039/c9qi01002e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A novel multi-color-emissive phosphor (Ca1.624Sr0.376Si5O3N6:Eu2+) and a rate equation model to elucidate the mechanism of energy-transfer leading to broadband emission.
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Affiliation(s)
- Jin Hee Lee
- Faculty of Nanotechnology and Advanced Materials Engineering
- Sejong University
- Seoul 143-747
- Republic of Korea
| | - Satendra Pal Singh
- Faculty of Nanotechnology and Advanced Materials Engineering
- Sejong University
- Seoul 143-747
- Republic of Korea
| | - Minseuk Kim
- Faculty of Nanotechnology and Advanced Materials Engineering
- Sejong University
- Seoul 143-747
- Republic of Korea
| | - Myoungho Pyo
- Department of Printed Electronics Engineering
- Sunchon National University
- Sunchon
- Republic of Korea
| | - Woon Bae Park
- Faculty of Nanotechnology and Advanced Materials Engineering
- Sejong University
- Seoul 143-747
- Republic of Korea
| | - Kee-Sun Sohn
- Faculty of Nanotechnology and Advanced Materials Engineering
- Sejong University
- Seoul 143-747
- Republic of Korea
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42
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Bao Y, Yu Y, Xu H, Guo C, Li J, Sun S, Zhou ZK, Qiu CW, Wang XH. Full-colour nanoprint-hologram synchronous metasurface with arbitrary hue-saturation-brightness control. LIGHT, SCIENCE & APPLICATIONS 2019; 8:95. [PMID: 31666949 PMCID: PMC6813292 DOI: 10.1038/s41377-019-0206-2] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 09/29/2019] [Accepted: 09/30/2019] [Indexed: 05/19/2023]
Abstract
The colour gamut, a two-dimensional (2D) colour space primarily comprising hue and saturation (HS), lays the most important foundation for the colour display and printing industries. Recently, the metasurface has been considered a promising paradigm for nanoprinting and holographic imaging, demonstrating a subwavelength image resolution, a flat profile, high durability, and multi-functionalities. Much effort has been devoted to broaden the 2D HS plane, also known as the CIE map. However, the brightness (B), as the carrier of chiaroscuro information, has long been neglected in metasurface-based nanoprinting or holograms due to the challenge in realising arbitrary and simultaneous control of full-colour HSB tuning in a passive device. Here, we report a dielectric metasurface made of crystal silicon nanoblocks, which achieves not only tailorable coverage of the primary colours red, green and blue (RGB) but also intensity control of the individual colours. The colour gamut is hence extruded from the 2D CIE to a complete 3D HSB space. Moreover, thanks to the independent control of the RGB intensity and phase, we further show that a single-layer silicon metasurface could simultaneously exhibit arbitrary HSB colour nanoprinting and a full-colour hologram image. Our findings open up possibilities for high-resolution and high-fidelity optical security devices as well as advanced cryptographic approaches.
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Grants
- National Key R&D Program of China (2016YFA0301300), the Key R&D Program of Guangdong Province (Grant No. 2018B030329001), National Natural Science Foundation of China (11804407, 61675237, 91750207, 11761141015, 11761131001, 11674402), the Guangdong Natural Science Foundation (2016A030312012, 2018A030313333), the Guangdong Natural Science Funds for Distinguished Young Scholars (2017B030306007), the Guangzhou Science and Technology Projects (201805010004), the Pearl River S&T Nova Program of Guangzhou (201806010033), Guangdong Special Support Program (2017TQ04C487), the National Research Foundation Singapore and the National Natural Science Foundation of China (NSFC) Joint Grant NRF2017NRF-NSFC002-015
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Affiliation(s)
- Yanjun Bao
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Ying Yu
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Haofei Xu
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Chao Guo
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Juntao Li
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Shang Sun
- Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583 Singapore
| | - Zhang-Kai Zhou
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
| | - Cheng-Wei Qiu
- Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583 Singapore
- NUS Suzhou Research Institute (NUSRI), Suzhou Industrial Park, 215123 Suzhou, China
| | - Xue-Hua Wang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-sen University, 510275 Guangzhou, China
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43
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Wang J, Wang N, Wu G, Wang S, Li X. Multicolor Emission from Non-conjugated Polymers Based on a Single Switchable Boron Chromophore. Angew Chem Int Ed Engl 2018; 58:3082-3086. [PMID: 30461144 DOI: 10.1002/anie.201812210] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Indexed: 01/22/2023]
Abstract
Multicolor emissive and responsive materials are highly attractive owing to their potential applications in various fields, and polymers are preferred for their good processability and high stability. Herein, we report a series of new polymers based on a methacrylate monomer containing a switchable boron chromophore. In spite of their unconjugated nature, interestingly, the homopolymers from this monomer display rare multicolor fluorescence in solution that is highly dependent on the degree of polymerization (DP). With an increasing DP, the local concentration of the chromophore increases, leading to a higher propensity for switching the blue-emitting tricoordinate boron chromophore to the red-emitting tetracoordinate one. The homopolymers also display temperature- and solvent-dependent emission color change. Furthermore, pure white-light emission could be achieved in various solvents by precisely tuning the homopolymer molecular weight, or in films/solid state by copolymerizing the emissive boron monomer with non-emissive monomers in an appropriate ratio.
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Affiliation(s)
- Junwei Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, P. R. China
| | - Nan Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, P. R. China
| | - Gang Wu
- Department of Chemistry, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Suning Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, P. R. China.,Department of Chemistry, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Xiaoyu Li
- School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing, P. R. China
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44
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Wang J, Wang N, Wu G, Wang S, Li X. Multicolor Emission from Non‐conjugated Polymers Based on a Single Switchable Boron Chromophore. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201812210] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Junwei Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology P. R. China
| | - Nan Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology P. R. China
| | - Gang Wu
- Department of ChemistryQueen's University Kingston ON K7L 3N6 Canada
| | - Suning Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology P. R. China
- Department of ChemistryQueen's University Kingston ON K7L 3N6 Canada
| | - Xiaoyu Li
- School of Materials Science and EngineeringBeijing Institute of Technology 5 South Zhongguancun Street Beijing P. R. China
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45
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Yu ES, Lee SH, Bae YG, Choi J, Lee D, Kim C, Lee T, Lee SY, Lee SD, Ryu YS. Highly Sensitive Color Tunablility by Scalable Nanomorphology of a Dielectric Layer in Liquid-Permeable Metal-Insulator-Metal Structure. ACS APPLIED MATERIALS & INTERFACES 2018; 10:38581-38587. [PMID: 30295452 DOI: 10.1021/acsami.8b12553] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A liquid-permeable concept in a metal-insulator-metal (MIM) structure is proposed to achieve highly sensitive color-tuning property through the change of the effective refractive index of the dielectric insulator layer. A semicontinuous top metal film with nanoapertures, adopted as a transreflective layer for MIM resonator, allows to tailor the nanomorphology of a dielectric layer through selective etching of the underneath insulator layer, resulting in nanopillars and hollow voids in the insulator layer. By allowing outer mediums to enter into the hollow voids of the dielectric layer, such liquid-permeable MIM architecture enables to achieve the wavelength shift as large as 323.5 nm/RIU in the visible range, which is the largest wavelength shift reported so far. Our liquid-permeable approaches indeed provide dramatic color tunablility, a real-time sensing scheme, long-term durability, and reproducibility in a simple and scalable manner.
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Affiliation(s)
- Eui-Sang Yu
- Department of Electrical and Computer Engineering , Seoul National University , Seoul 08826 , Republic of Korea
- Sensor System Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea
| | - Sin-Hyung Lee
- Department of Electrical and Computer Engineering , Seoul National University , Seoul 08826 , Republic of Korea
| | - Young-Gyu Bae
- School of Electronics Engineering , Kyungpook National University , Daegu 41566 , Republic of Korea
| | - Jaebin Choi
- Sensor System Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea
| | - Donggeun Lee
- Sensor System Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea
- Department of Electrical and Electronic Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Chulki Kim
- Sensor System Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea
| | - Taikjin Lee
- Sensor System Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea
| | - Seung-Yeol Lee
- School of Electronics Engineering , Kyungpook National University , Daegu 41566 , Republic of Korea
| | - Sin-Doo Lee
- Department of Electrical and Computer Engineering , Seoul National University , Seoul 08826 , Republic of Korea
| | - Yong-Sang Ryu
- Sensor System Research Center , Korea Institute of Science and Technology , Seoul 02792 , Republic of Korea
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46
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Zhang L, Li X, Wang Y, Sun K, Chen X, Chen H, Zhou J. Reproducible Plasmonic Nanopyramid Array of Various Metals for Highly Sensitive Refractometric and Surface-Enhanced Raman Biosensing. ACS OMEGA 2018; 3:14181-14187. [PMID: 30411061 PMCID: PMC6217687 DOI: 10.1021/acsomega.7b02016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 02/08/2018] [Indexed: 06/08/2023]
Abstract
Localized surface plasmon resonance (LSPR) biosensors show great potential for practical/commercial use in clinical diagnosis, home healthcare, environmental analysis, and public healthcare. However, two main issues, that is, low refractometric sensitivity and low reproducibility (large-area uniformity and batch-to-batch consistency), hinder the extensive applications of LSPR biosensors. Therefore, plasmonic nanostructures with high sensitivity and excellent reproducibility are desirable for preparing reliable LSPR sensors. Herein, we have fabricated plasmonic nanopyramid arrays (NPAs) for several batches with reproducible morphology and optical properties by elastic soft lithography and metal thermal evaporation. NPAs of various metals (i.e., Al, Au, and Ag) were also prepared by thermal evaporation with the according metals. The transmission spectra of these NPAs showed several narrow LSPR peaks in the visible-infrared wavelength region. The refractometric sensitivities of the LSPR peaks were systematically studied, and high refractometric sensitivities of 774.0, 472.8, and 421.0 nm/RIU were achieved on Al, Au, and Ag NPAs, respectively. To demonstrate the potential of the NPAs for multiplex applications, we first applied this highly sensitive Al NPA biosensor to monitoring the process of proliferation of HeLa cancer cells, in situ and in real time. Then, we demonstrated that the Au NPA was able to identify the absorbed analytes on its surface through the surface-enhanced Raman scattering spectrum. In addition, the finite difference time domain simulations were performed to reveal the electromagnetic field enhancement on NPAs. Because of the properties of high sensitivity and excellent reproducibility of the metal NPA LSPR substrates, as well as the simplicity and cost efficiency of the fabrication method, our proposed work will accelerate the practical use of LSPR sensors.
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Affiliation(s)
- Li Zhang
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Xuemeng Li
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Yangyang Wang
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Kang Sun
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Xuexian Chen
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Huanjun Chen
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Jianhua Zhou
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
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47
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Zhang Y, Zhang Q, Ouyang X, Lei DY, Zhang AP, Tam HY. Ultrafast Light-Controlled Growth of Silver Nanoparticles for Direct Plasmonic Color Printing. ACS NANO 2018; 12:9913-9921. [PMID: 30153416 DOI: 10.1021/acsnano.8b02868] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A precision photoreduction technology for the ultrafast high-precision light-controlled growth of silver nanoparticles for printing plasmonic color images is presented. Ultraviolet (UV) patterns with about a million pixels are generated to temporally and spatially regulate the photoreduction of silver salts to precisely create around a million clusters of distinct silver nanoparticles on a titanium dioxide (TiO2)-capped quartz substrate. The silver nanoparticle-TiO2-quartz structure exhibits a Fano-like reflection spectrum, whose spectral dip can be tuned by the dimension of the silver nanoparticles for plasmonic color generation. This technology allows the one-step production of multiscale engineered large-area plasmonic substrates without the use of either nanostructured templates or additional nanofabrication processes and thus offers an approach to plasmonic engineering for a myriad of applications ranging from structural color decoration to plasmonic microdevices and biosensors.
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48
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Ron R, Haleva E, Salomon A. Nanoporous Metallic Networks: Fabrication, Optical Properties, and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1706755. [PMID: 29774611 DOI: 10.1002/adma.201706755] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 03/08/2018] [Indexed: 05/21/2023]
Abstract
Nanoporous metallic networks are a group of porous materials made of solid metals with suboptical wavelength sizes of both particles and voids. They are characterized by unique optical properties, as well as high surface area and permeability of guest materials. As such, they attract a great focus as novel materials for photonics, catalysis, sensing, and renewable energy. Their properties together with the ability for scaling-up evoke an increased interest also in the industrial field. Here, fabrication techniques of large-scale metallic networks are discussed, and their interesting optical properties as well as their applications are considered. In particular, the focus is on disordered systems, which may facilitate the fabrication technique, yet, endow the three-dimensional (3D) network with distinct optical properties. These metallic networks bridge the nanoworld into the macroscopic world, and therefore pave the way to the fabrication of innovative materials with unique optoelectronic properties.
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Affiliation(s)
- Racheli Ron
- Department of Chemistry, Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Emir Haleva
- Department of Chemistry, Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Adi Salomon
- Department of Chemistry, Institute of Nanotechnology and Advanced Materials (BINA), Bar-Ilan University, Ramat-Gan, 5290002, Israel
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49
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Hu D, Lu Y, Cao Y, Zhang Y, Xu Y, Li W, Gao F, Cai B, Guan BO, Qiu CW, Li X. Laser-Splashed Three-Dimensional Plasmonic Nanovolcanoes for Steganography in Angular Anisotropy. ACS NANO 2018; 12:9233-9239. [PMID: 30169016 DOI: 10.1021/acsnano.8b03964] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Planar optics constructed from subwavelength artificial atoms have been suggested as a route to the physical realization of steganography with controlled intrinsic redundancy at single-pixel levels. Unfortunately, two-dimensional geometries with uniform flat profiles offer limited structural redundancy and make it difficult to create advanced crypto-information in multiplexed physical divisions. Here, we reveal that splashing three-dimensional (3D) plasmonic nanovolcanoes could allow for a steganographic strategy in angular anisotropy, with high resolution, full coloration, and transient control of structural profiles. Highly reproducible 3D morphologies of volcanic nanosplashes are demonstrated by creating a standardized recipe of laser parameters. Such single nanovolcanoes can be well controlled individually at different splashing stages and thus provide a lithography-free fashion to access various spectral responses of angularly coordinated transverse and vertical modes, leading to the full-range coloration. This chip-scale demonstration of steganographic color images in angular anisotropy unfolds a long-ignored scheme for structured metasurfaces and thereby provides a paradigm for information security and anticounterfeiting.
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Affiliation(s)
| | | | | | | | | | - Wenxue Li
- College of Physical Science and Technology , Sichuan University , Chengdu , Sichuan 610064 , China
| | - Fuhua Gao
- College of Physical Science and Technology , Sichuan University , Chengdu , Sichuan 610064 , China
| | | | | | - Cheng-Wei Qiu
- Department of Electrical and Computer Engineering , National University of Singapore , 4 Engineering Drive 3 , Singapore 117583
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50
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Abstract
Control over plasmonic colors on the nanoscale is of great interest for high-resolution display, imaging, and information encryption applications. However, so far, very limited schemes have been attempted for dynamic plasmonic color generation. In this paper, we demonstrate a scanning plasmonic color generation scheme, in which subwavelength plasmonic pixels can be laterally switched on/off through directional hydrogenation/dehydrogenation of a magnesium screen. We show several dynamic plasmonic color displays with different scanning functions by varying the number and geometries of the palladium gates, where hydrogen enters the scanning screens. In particular, we employ the scanning effects to create a dynamic plasmonic quick response code. The information cannot be decrypted by varying the polarization states of light or by accessing the physical features. Rather, it can only be read out using hydrogen as a decoding key. Our work advances the established design concepts for plasmonic color printing and provides insights into the development of optical information storage and anticounterfeiting features.
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Affiliation(s)
- Xiaoyang Duan
- Max Planck Institute for Intelligent Systems , Heisenbergstrasse 3 , 70569 Stuttgart , Germany
- Kirchhoff Institute for Physics , University of Heidelberg , Im Neuenheimer Feld 227 , 69120 Heidelberg , Germany
| | - Na Liu
- Max Planck Institute for Intelligent Systems , Heisenbergstrasse 3 , 70569 Stuttgart , Germany
- Kirchhoff Institute for Physics , University of Heidelberg , Im Neuenheimer Feld 227 , 69120 Heidelberg , Germany
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