1
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Bărar A, Maclean SA, Gross BM, Mănăilă-Maximean D, Dănilă O. Mixing Rules for Left-Handed Disordered Metamaterials: Effective-Medium and Dispersion Properties. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1056. [PMID: 38921932 PMCID: PMC11206568 DOI: 10.3390/nano14121056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 06/12/2024] [Accepted: 06/17/2024] [Indexed: 06/27/2024]
Abstract
Left-handed materials are known to exhibit exotic properties in controlling electromagnetic fields, with direct applications in negative reflection and refraction, conformal optical mapping, and electromagnetic cloaking. While typical left-handed materials are constructed periodic metal-dielectric structures, the same effect can be obtained in composite guest-host systems with no periodicity or structural order. Such systems are typically described by the effective-medium approach, in which the components of the electric permittivity tensor are determined as a function of individual material properties and doping concentration. In this paper, we extend the discussion on the mixing rules to include left-handed composite systems and highlight the exotic properties arising from the effective-medium approach in this framework in terms of effective values and dispersion properties.
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Affiliation(s)
- Ana Bărar
- Electronic Technology and Reliability Department, National University of Science and Technology Politehnica Bucharest, 060082 Bucharest, Romania;
| | - Stephen A. Maclean
- Chemical Engineering Department, Tandon School of Engineering, New York University, Brooklyn, New York, NY 11201, USA
| | - Barry M. Gross
- Optical Remote Sensing Laboratory, The City College of New York, New York, NY 10031, USA
- NOAA—Cooperative Science Center for Earth System Sciences and Remote Sensing Technologies, New York, NY 10031, USA
| | - Doina Mănăilă-Maximean
- Physics Department, National University of Science and Technology Politehnica Bucharest, 060082 Bucharest, Romania
- Academy of Romanian Scientists, 050044 Bucharest, Romania
| | - Octavian Dănilă
- Physics Department, National University of Science and Technology Politehnica Bucharest, 060082 Bucharest, Romania
- Laser Systems Department, National Institute for Physics and Nuclear Engineering, 077125 Măgurele, Ilfov, Romania
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2
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La JA, Lee H, Kim D, Ko H, Kang T. Enhanced Molecular Interaction of 3D Plasmonic Nanoporous Gold Alloys by Electronic Modulation for Sensitive Molecular Detection. NANO LETTERS 2024; 24:7025-7032. [PMID: 38832667 DOI: 10.1021/acs.nanolett.4c01505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Three-dimensional gold and its alloyed nanoporous structures possess high surface areas and strong local electric fields, rendering them ideal substrates for plasmonic molecular detection. Despite enhancing plasmonic properties and altering molecular interactions, the effect of alloy composition on molecular detection capability has not yet been explored. Here, we report molecular interactions between nanoporous gold alloys and charged molecules by controlling the alloy composition. We demonstrate enhanced adsorption of negatively charged molecules onto the alloy surface due to positively charged gold atoms and a shifted d-band center through charge transfer between gold and other metals. Despite similar EM field intensities, nanoporous gold with silver (Au/Ag) achieves SERS enhancement factors (EF) up to 6 orders of magnitude higher than those of other alloys for negatively charged molecules. Finally, nanoporous Au/Ag detects amyloid-beta at concentrations as low as approximately 1 fM, with SERS EF up to 10 orders of magnitude higher than that of a monolayer of Au nanoparticles.
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Affiliation(s)
- Ju A La
- Institute of Integrated Biotechnology, Sogang University, Seoul 04107, Republic of Korea
| | - Hyunjoo Lee
- Department of Mechanical Engineering, Sogang University, Seoul 04107, Republic of Korea
| | - Dongchoul Kim
- Department of Mechanical Engineering, Sogang University, Seoul 04107, Republic of Korea
| | - Hyungduk Ko
- Nanophotonics Research Center, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Taewook Kang
- Institute of Integrated Biotechnology, Sogang University, Seoul 04107, Republic of Korea
- Department of Chemical and Biomoleuclar Engineering, Sogang University, Seoul 04107, Republic of Korea
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3
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Yang Y, Jung W, Hur C, Kim H, Shin J, Choi M, Rho J. Angle-Resolved Polarimetry with Quasi-Bound States in the Continuum Plasmonic Metamaterials via 3D Aerosol Nanoprinting. ACS NANO 2024; 18:12771-12780. [PMID: 38708928 DOI: 10.1021/acsnano.3c12024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
Three-dimensional (3D) plasmonic metamaterials, featuring well-arranged subwavelength nanostructures, facilitate effective coupling between electrical dipoles and incident electromagnetic waves. This coupling allows for unique optical responses including localized surface plasmon resonance (LSPR) and quasi-bound states in the continuum (q-BIC). While 3D plasmonic metamaterials with LSPR and q-BIC have been independently explored for sensors, achieving simultaneous optical responses in the near-infrared region remains challenging. Here, we present 3D plasmonic metamaterials that integrate LSPR and q-BIC within a single π-shaped plasmonic structure, fabricated using a 3D aerosol nanoprinting technique. This printing technique controls the local electrostatic field to precisely position charged metallic nanoaerosols, enabling parallel printing of π-shaped plasmonic structures under ambient conditions. The printed π-shaped plasmonic structures exhibit two distinct optical modes: x-polarization-sensitive LSPR and transverse magnetic mode-sensitive q-BIC within the near-infrared region. Exploiting these dual optical responses, we demonstrate simultaneous polarization detection and incident angle analysis by integrating the π-shaped plasmonic structures into commercial Fourier-transform infrared spectroscopy, termed "numerical aperture-detective polarimetry". This approach holds promise for evaluating alignment in optical and imaging systems with light distribution analysis. Furthermore, the 3D aerosol nanoprinting technique provides an avenue for fabricating 3D plasmonic metamaterials with intricate geometries and optical properties, expanding their potential applications in nano-optics.
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Affiliation(s)
- Younghwan Yang
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Wooik Jung
- Global Frontier Center for Multiscale Energy Systems, Seoul National University, Seoul 08826, Republic of Korea
- Department of Mechanical Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Department of Creative Convergence Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
| | - Changnyeong Hur
- Global Frontier Center for Multiscale Energy Systems, Seoul National University, Seoul 08826, Republic of Korea
- Department of Mechanical Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Hongyoon Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Jooyeon Shin
- Global Frontier Center for Multiscale Energy Systems, Seoul National University, Seoul 08826, Republic of Korea
- Department of Mechanical Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Mansoo Choi
- Global Frontier Center for Multiscale Energy Systems, Seoul National University, Seoul 08826, Republic of Korea
- Department of Mechanical Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Junsuk Rho
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
- Department of Electrical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
- POSCO-POSCTECH-RIST Convergence Research Center for Flat Optics and Metaphotonics, Pohang 37673, Republic of Korea
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4
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Chen Y, Zheng J, Zhang L, Li S, Chen Y, Chui KK, Zhang W, Shao L, Wang J. Inversion of the Chiroptical Responses of Chiral Gold Nanoparticles with a Gold Film. ACS NANO 2024; 18:383-394. [PMID: 38126881 PMCID: PMC10786168 DOI: 10.1021/acsnano.3c07475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
The deposition of chiral nanoparticles (NPs) onto various substrates is crucial for the fabrication of high-density photonic devices. Understanding the interaction of chiral light and chiral NPs supported on substrates is essential for developing optical sensors and modulators. However, the chiroptical responses of plasmonic chiral NPs on substrates have remained elusive. Here we provide an important understanding of the correlation between the substrate material and the chiroptical response. The scattering dissymmetry factors of individual chiral Au nanocubes are inverted and enhanced with a gold film. Qualitative theories are proposed to analyze the observed variations in the chiroptical signals of chiral NPs on different substrates. Our results offer an encouraging route for modulating and amplifying the chiroptical signals in the use of chiral NPs in light control, light-based quantum technologies, and sensing.
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Affiliation(s)
- Yilin Chen
- Department
of Physics, The Chinese University of Hong
Kong, Shatin, Hong Kong SAR 999077, China
| | - Jiapeng Zheng
- Department
of Physics, The Chinese University of Hong
Kong, Shatin, Hong Kong SAR 999077, China
| | - Lingling Zhang
- Department
of Physics, The Chinese University of Hong
Kong, Shatin, Hong Kong SAR 999077, China
| | - Shasha Li
- Department
of Physics, The Chinese University of Hong
Kong, Shatin, Hong Kong SAR 999077, China
| | - Yang Chen
- Department
of Physics, The Chinese University of Hong
Kong, Shatin, Hong Kong SAR 999077, China
| | - Ka Kit Chui
- Department
of Physics, The Chinese University of Hong
Kong, Shatin, Hong Kong SAR 999077, China
| | - Wei Zhang
- Institute
of Applied Physics and Computational Mathematics, Beijing 100088, China
| | - Lei Shao
- State
Key Laboratory 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
| | - Jianfang Wang
- Department
of Physics, The Chinese University of Hong
Kong, Shatin, Hong Kong SAR 999077, China
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5
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Wang Y, Sun J, Li Z, Han Q, Gao W, Zhu L, Dong J, Zhang Z. Enhancement and sensing applications of ultra-narrow band circular dichroism of the chiral nanopore films based on Bragg reflector. NANOSCALE 2023; 15:19219-19228. [PMID: 37987530 DOI: 10.1039/d3nr05338e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Narrow-band circular dichroism (CD) has attracted considerable attention in the high-sensitivity detection of chiral molecules and chiral catalysis. However, achieving dynamic adjustment of narrow-band CD signals is challenging. In this study, we introduce a disruption layer (DL) and molybdenum disulfide (MoS2) into an L-shaped chiral nanohole array based on a distributed Bragg reflector (DBR), forming L-shaped chiral nanoholes (LCNAs/DL-DBR/MoS2), and investigate the mechanism of CD signal generation. Simulation results show that LCNAs/DL-DBR/MoS2 generate three narrow-band CD signals in the visible region. Analysis of the near-field electric field maps reveals that the three CD peaks of LCNAs/DL-DBR/MoS2 are caused by three Tamm resonances in the DBR layer. The producing and adjusting mechanisms of the CD signals are achieved by changing the structural parameters and the number of MoS2 layers. Dynamic adjustment of the CD signals of LCNAs/DL-DBR/MoS2 can be achieved by changing the environmental temperature. Furthermore, by altering the refractive index of the environment and the DBR layer, it is demonstrated that LCNAs/DL-DBR/MoS2 has a high-quality factor. Our theoretical simulations aid in the design of UNB chiral devices, opening up new avenues for environmental monitoring and the detection of chiral molecules with exceptional sensitivity.
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Affiliation(s)
- Yongkai Wang
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121, China.
| | - Jialin Sun
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121, China.
| | - Zhiduo Li
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121, China.
| | - Qingyan Han
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121, China.
| | - Wei Gao
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121, China.
| | - Lipeng Zhu
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121, China.
| | - Jun Dong
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121, China.
| | - Zhongyue Zhang
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China.
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6
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Kim DS, Kim M, Seo S, Kim JH. Nature-Inspired Chiral Structures: Fabrication Methods and Multifaceted Applications. Biomimetics (Basel) 2023; 8:527. [PMID: 37999168 PMCID: PMC10669407 DOI: 10.3390/biomimetics8070527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/25/2023] Open
Abstract
Diverse chiral structures observed in nature find applications across various domains, including engineering, chemistry, and medicine. Particularly notable is the optical activity inherent in chiral structures, which has emerged prominently in the field of optics. This phenomenon has led to a wide range of applications, encompassing optical components, catalysts, sensors, and therapeutic interventions. This review summarizes the imitations and applications of naturally occurring chiral structures. Methods for replicating chiral architectures found in nature have evolved with specific research goals. This review primarily focuses on a top-down approach and provides a summary of recent research advancements. In the latter part of this review, we will engage in discussions regarding the diverse array of applications resulting from imitating chiral structures, from the optical activity in photonic crystals to applications spanning light-emitting devices. Furthermore, we will delve into the applications of biorecognition and therapeutic methodologies, comprehensively examining and deliberating upon the multifaceted utility of chiral structures.
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Affiliation(s)
- Da-Seul Kim
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea (M.K.)
- Department of Chemical Engineering, Ajou University, Suwon 16499, Republic of Korea
| | - Myounggun Kim
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea (M.K.)
- Department of Chemical Engineering, Ajou University, Suwon 16499, Republic of Korea
| | - Soonmin Seo
- Department of Bionano Technology, Gachon University, Seongnam 13120, Republic of Korea
| | - Ju-Hyung Kim
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea (M.K.)
- Department of Chemical Engineering, Ajou University, Suwon 16499, Republic of Korea
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7
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Yang Y, Seong J, Choi M, Park J, Kim G, Kim H, Jeong J, Jung C, Kim J, Jeon G, Lee KI, Yoon DH, Rho J. Integrated metasurfaces for re-envisioning a near-future disruptive optical platform. LIGHT, SCIENCE & APPLICATIONS 2023; 12:152. [PMID: 37339970 DOI: 10.1038/s41377-023-01169-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 02/16/2023] [Accepted: 04/24/2023] [Indexed: 06/22/2023]
Abstract
Metasurfaces have been continuously garnering attention in both scientific and industrial fields, owing to their unprecedented wavefront manipulation capabilities using arranged subwavelength artificial structures. To date, research has mainly focused on the full control of electromagnetic characteristics, including polarization, phase, amplitude, and even frequencies. Consequently, versatile possibilities of electromagnetic wave control have been achieved, yielding practical optical components such as metalenses, beam-steerers, metaholograms, and sensors. Current research is now focused on integrating the aforementioned metasurfaces with other standard optical components (e.g., light-emitting diodes, charged-coupled devices, micro-electro-mechanical systems, liquid crystals, heaters, refractive optical elements, planar waveguides, optical fibers, etc.) for commercialization with miniaturization trends of optical devices. Herein, this review describes and classifies metasurface-integrated optical components, and subsequently discusses their promising applications with metasurface-integrated optical platforms including those of augmented/virtual reality, light detection and ranging, and sensors. In conclusion, this review presents several challenges and prospects that are prevalent in the field in order to accelerate the commercialization of metasurfaces-integrated optical platforms.
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Affiliation(s)
- Younghwan Yang
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Junhwa Seong
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Minseok Choi
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Junkyeong Park
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Gyeongtae Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Hongyoon Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Junhyeon Jeong
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Chunghwan Jung
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Joohoon Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Gyoseon Jeon
- Research Institute of Industrial Science and Technology (RIST), Pohang, 37673, Republic of Korea
| | - Kyung-Il Lee
- Research Institute of Industrial Science and Technology (RIST), Pohang, 37673, Republic of Korea
| | - Dong Hyun Yoon
- Research Institute of Industrial Science and Technology (RIST), Pohang, 37673, Republic of Korea
| | - Junsuk Rho
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
- POSCO-POSTECH-RIST Convergence Research Center for Flat Optics and Metaphotonics, Pohang, 37673, Republic of Korea.
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8
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Maniappan S, Dutta C, Solís DM, Taboada JM, Kumar J. Surfactant Directed Synthesis of Intrinsically Chiral Plasmonic Nanostructures and Precise Tuning of their Optical Activity through Controlled Self-Assembly. Angew Chem Int Ed Engl 2023; 62:e202300461. [PMID: 36779825 DOI: 10.1002/anie.202300461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 02/14/2023]
Abstract
Fabrication and transmission of plasmonic chirality is a rapidly developing area of research. While nanoscale chirality is reasonably well explored, research on intrinsically chiral nanostructures, that has ramifications to origin of homochirality, is still in its infancy. Herein, we report the synthesis of dog-bone shaped chiral gold nanostructures using a chiral cationic surfactant with excess ascorbic acid. Chiral growth is attributed to the specific binding and structure breaking ability of chiral surfactant and ascorbic acid. The controlled assembly of particles facilitated tuning and enhancement of chiral signals. Experimental observations were validated with theoretical simulations modelled in frequency domain with a surface integral-equation parameterization. Work highlighting the generation and tuning of plasmonic chirality provides new insights into the understanding of intrinsic chirality and paves way for their application in enantioselective catalysis and biosensing.
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Affiliation(s)
- Sonia Maniappan
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, 517507, India
| | - Camelia Dutta
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, 517507, India
| | - Diego M Solís
- Departamento de Tecnología de los Computadores y de las Comunicaciones, University of Extremadura, 10003, Cáceres, Spain
| | - José M Taboada
- Departamento de Tecnología de los Computadores y de las Comunicaciones, University of Extremadura, 10003, Cáceres, Spain
| | - Jatish Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, 517507, India
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9
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Enhanced chiroptic properties of nanocomposites of achiral plasmonic nanoparticles decorated with chiral dye-loaded micelles. Nat Commun 2023; 14:81. [PMID: 36604426 PMCID: PMC9816153 DOI: 10.1038/s41467-022-35699-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023] Open
Abstract
The development of circularly polarized luminescence (CPL)-active materials with both large luminescence dissymmetry factor (glum) and high emission efficiency continues to be a major challenge. Here, we present an approach to improve the overall CPL performance by integrating triplet-triplet annihilation-based photon upconversion (TTA-UC) with localized surface plasmon resonance. Dye-loaded chiral micelles possessing TTA-UC ability are designed and attached on the surface of achiral gold nanorods (AuNRs). The longitudinal and transversal resonance peaks of AuNRs overlap with the absorption and emission of dye-loaded chiral micelles, respectively. Typically, 43-fold amplification of glum value accompanied by 3-fold enhancement of upconversion are obtained simultaneously when Au@Ag nanorods are employed in the composites. More importantly, transient absorption spectra reveal a fast accumulation of spin-polarized triplet excitons in the composites. Therefore, the enhancement of chirality-induced spin polarization should be in charge of the amplification of glum value. Our design strategy suggests that combining plasmonic nanomaterials with chiral organic materials could aid in the development of chiroptical nanomaterials.
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10
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Kim WG, Devaraj V, Yang Y, Lee JM, Kim JT, Oh JW, Rho J. Three-dimensional plasmonic nanoclusters driven by co-assembly of thermo-plasmonic nanoparticles and colloidal quantum dots. NANOSCALE 2022; 14:16450-16457. [PMID: 36214195 DOI: 10.1039/d2nr03737h] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Metallic nanoparticles that support localized surface plasmons have emerged as fundamental iconic building blocks for nanoscale photonics. Self-assembled clustering of plasmonic nanoparticles with controlled near-field interactions offers an interesting novel route to manipulate the electromagnetic fields at a subwavelength scale. Various bottom-up, self-assembly manners have been successfully devised to build plasmonic nanoparticle clusters displaying attractive optical properties. However, the incapability to configure on-demand architectures limits its practical reliability uses for scalable nanophotonic devices. Furthermore, a critical challenge has been addressing the accurate positioning of functional nanoparticles, including catalytic nanoparticles, dielectric nanoparticles, and quantum dots (QDs) in the clustered plasmonic hotspots. This work proposes a micropipette-based self-assembly method to fabricate three-dimensional architectures composed of colloidal clusters. The heterogeneous colloidal clusters comprising metallic nanoparticles and QDs are fabricated in one step by the micropipette-based self-assembly method. A plasmonic clustered pillar embedding QDs exhibited excellent photoluminescence characteristics compared to a collapsed pillar. The experimental and theoretical demonstration of the localized surface plasmon resonance and thermo-plasmonic properties of the colloidal clusters was performed.
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Affiliation(s)
- Won-Geun Kim
- BIT Fusion Technology Center, Pusan National University, Busan 46241, Republic of Korea.
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
| | - Vasanthan Devaraj
- BIT Fusion Technology Center, Pusan National University, Busan 46241, Republic of Korea.
| | - Younghwan Yang
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
| | - Jong-Min Lee
- Center of Nano Convergence Technology and School of Nanoconvergence Technology, Hallym University, Chuncheon 24252, Korea
| | - Ji Tae Kim
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China.
| | - Jin-Woo Oh
- BIT Fusion Technology Center, Pusan National University, Busan 46241, Republic of Korea.
- Department of Nano Fusion Technology, Pusan National University, Busan 46241, Republic of Korea
- Department of Nanoenergy Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Junsuk Rho
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
- POSCO-POSTECH-RIST Convergence Research Center for Flat Optics and Metaphotonics, Pohang, 37673, Republic of Korea
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11
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Siddiky AM, Faruque MRI, Islam MT, Abdullah S, Khandaker MU, Al-Mugren KS. Dual-Square-Split-Ring-Enclosed Microstrip-Based Sensor for Noninvasive Label-Free Detection. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7688. [PMID: 36363280 PMCID: PMC9658753 DOI: 10.3390/ma15217688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/19/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
In this article, we present the use of a metamaterial-incorporated microwave-based sensor with a single port network for material characterization. The proposed sensor consists of a microstrip patch layer enclosed with a dual-square-shaped metamaterial split-ring. This structure has the dimensions of 20 × 20 × 1.524 mm3 and a copper metallic layer is placed on a Rogers RT 6002 with a partial back layer as a ground. Two resonant frequencies are exhibited for applied electromagnetic interaction using a transmission line. The dual split rings increase the compactness and accumulation of the electromagnetic field on the surface of the conducting layer to improve the sensitivity of the sensor. The numerical studies are carried out using a CST high-frequency microwave simulator. The validation of the proposed sensor is performed with an equivalent circuit model in ADS and numerical high-frequency simulator HFSS. The material under test placed on the proposed sensor shows good agreement with the frequency deviation for different permittivity variations. Different substrates are analyzed as a host medium of the sensor for parametric analysis.
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Affiliation(s)
- Air Mohammad Siddiky
- Space Science Centre (ANGKASA), Institute of Climate Change (IPI), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Mohammad Rashed Iqbal Faruque
- Space Science Centre (ANGKASA), Institute of Climate Change (IPI), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Mohammad Tariqul Islam
- Centre for Advanced Electronic and Communication Engineering, Department of Electrical, Electronic & Systems Engineering, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Sabirin Abdullah
- Space Science Centre (ANGKASA), Institute of Climate Change (IPI), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Mayeen Uddin Khandaker
- Centre for Applied Physics and Radiation Technologies, School of Engineering and Technology, Sunway University, Bandar Sunway 47500, Malaysia
| | - K. S. Al-Mugren
- Department of Physics, College of Science, Princess Nourah Bint AbdulRahman University, Riyadh 11671, Saudi Arabia
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12
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Cen M, Wang J, Liu J, He H, Li K, Cai W, Cao T, Liu YJ. Ultrathin Suspended Chiral Metasurfaces for Enantiodiscrimination. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2203956. [PMID: 35905504 DOI: 10.1002/adma.202203956] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/08/2022] [Indexed: 06/15/2023]
Abstract
Chiral metasurfaces can exhibit a strong circular dichroism, but it is limited by the complicated fabrication procedure and alignment errors. Here, a new type of self-aligned suspended chiral bilayer metasurface with only one-step electron beam lithography exposure is demonstrated. A significant optical chirality of 221° µm-1 can be realized using suspended metasurfaces with a thickness of 100 nm. Furthermore, this study experimentally demonstrates that such a structure is capable of label-free discrimination of the chiral molecules at zeptomole level, exhibiting a much higher sensitivity (orders of magnitude) compared to the conventional circular dichroism spectroscopy. The fundamental principles for chiral sensing using molecules-metasurfaces interactions are explored. Benefiting from the giant chiroptical response, the proposed metadevice may offer promising applications for ultrathin circular polarizers, chiral molecular detectors, and asymmetry information processing.
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Affiliation(s)
- Mengjia Cen
- Department of Biomedical Engineering, Dalian University of Technology, Dalian, Liaoning, 116024, China
- Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jiawei Wang
- Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jianxun Liu
- Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Huilin He
- Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ke Li
- Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Wenfeng Cai
- Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Tun Cao
- Department of Biomedical Engineering, Dalian University of Technology, Dalian, Liaoning, 116024, China
- School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian, 116024, China
| | - Yan Jun Liu
- Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
- Key Laboratory of Energy Conversion and Storage Technologies (Southern University of Science and Technology), Ministry of Education, Shenzhen, 518055, China
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Huang S, Yang X, Liang X, Wu X, Yang C, Du J, Hou Y. Engineering a strong and stable ultraviolet chiroptical effect in a large-area chiral plasmonic shell. OPTICS EXPRESS 2022; 30:31486-31497. [PMID: 36242228 DOI: 10.1364/oe.468675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/05/2022] [Indexed: 06/16/2023]
Abstract
Ultraviolet chiral metamaterials (UCM) are highly desired for their strong interaction with the intrinsic resonance of molecules and ability in manipulating the polarization state of high energy photons, but rarely reported to date due to their small feature size and complex geometry. Herein, we design and fabricate a kind of novel ultraviolet chiral plasmonic shell (UCPS) by combing the stepwise Al deposition and colloid-sphere assembled techniques. The cancellation effect originated from the disorder lattices of micro-domains in the colloid monolayer has been successfully overcome by optimizing the deposition parameters, and a strong CD signal of larger than 1 deg in the UV region is demonstrated both in simulation and experiment. This strong ultraviolet chiroptical resonances mainly come from the surface chiral lattice resonance mode, the whispering gallery mode and also the interaction between neighbor shells, and can be effectively tuned by changing structural parameters, for example, the sphere diameter, or even slightly increasing the deposition temperature in experiment. To improve the stability, the fabricated UCPSs are protected by N2 in the deposition chamber and then passivated by UV-ozone immediately after each deposition step. The formed UCPS show an excellent stability when exposing in the atmospheric environment. The computer-aided geometrical model, electromagnetic modes, and the tunable chiroptical resonance modes have been systematically investigated.
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14
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Ma L, Liu Y, Han C, Movsesyan A, Li P, Li H, Tang P, Yuan Y, Jiang S, Ni W, Yan H, Govorov AO, Wang ZM, Lan X. DNA-Assembled Chiral Satellite-Core Nanoparticle Superstructures: Two-State Chiral Interactions from Dynamic and Static Conformations. NANO LETTERS 2022; 22:4784-4791. [PMID: 35649094 DOI: 10.1021/acs.nanolett.2c01047] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A significant challenge exists in obtaining chiral nanostructures that are amenable to both solution-phase self-assembly and solid-phase preservation, which enable the observation of unveiled optical responses impacted by the dynamic or static conformation and the incident excitations. Here, to meet this demand, we employed DNA origami technology to create quasi-planar chiral satellite-core nanoparticle superstructures with an intermediate geometry between the monolayer and the double layer. We disentangled the complex chiral mechanisms, which include planar chirality, 3D chirality, and induced chirality transfer, through combined theoretical studies and thorough experimental measurements of both solution- and solid-phase samples. Two distinct states of optical responses were demonstrated by the dynamic and static conformations, involving a split or nonsplit circular dichroism (CD) line shape. More importantly, our study on chiral nanoparticle superstructures on a substrate featuring both a dominant 2D geometry and a defined 3D represents a great leap toward the realization of colloidal chiral metasurfaces.
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Affiliation(s)
- Li Ma
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, Zhejiang 313001, China
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
- Center for Advanced Low-dimension Materials, Donghua University, Shanghai 201620, China
| | - Yan Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
- Center for Advanced Low-dimension Materials, Donghua University, Shanghai 201620, China
- College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Cong Han
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
- Center for Advanced Low-dimension Materials, Donghua University, Shanghai 201620, China
- College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Artur Movsesyan
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
- Department of Physics and Astronomy and the Nanoscale & Quantum Phenomena Institute, Ohio University, Athens, Ohio 45701, United States
| | - Peihang Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, Zhejiang 313001, China
| | - Huacheng Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
- Center for Advanced Low-dimension Materials, Donghua University, Shanghai 201620, China
- College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Pan Tang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
- Center for Advanced Low-dimension Materials, Donghua University, Shanghai 201620, China
- College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yongqing Yuan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
- Center for Advanced Low-dimension Materials, Donghua University, Shanghai 201620, China
- College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Shuoxing Jiang
- Center for Molecular Design and Biomimetics, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Weihai Ni
- Jiangsu Key Laboratory of Thin Films, School of Physical Science and Technology, Soochow University, Suzhou, Jiangsu 215006, China
| | - Hao Yan
- Center for Molecular Design and Biomimetics, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Alexander O Govorov
- Department of Physics and Astronomy and the Nanoscale & Quantum Phenomena Institute, Ohio University, Athens, Ohio 45701, United States
| | - Zhiming M Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, Zhejiang 313001, China
| | - Xiang Lan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China
- Center for Advanced Low-dimension Materials, Donghua University, Shanghai 201620, China
- College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
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