1
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Niinomi H, Gotoh K, Takano N, Tagawa M, Morita I, Onuma A, Yoshikawa HY, Kawamura R, Oshikiri T, Nakagawa M. Mie-Resonant Nanophotonic-Enhancement of Asymmetry in Sodium Chlorate Chiral Crystallization. J Phys Chem Lett 2024; 15:1564-1571. [PMID: 38316420 DOI: 10.1021/acs.jpclett.3c03303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Studies on chiral spectroscopy have recently demonstrated strong enhancement of chiral light-matter interaction in the chiral near-field of Mie resonance in high-refractive-index dielectric nanostructures by studies on chiral spectroscopy. This situation has motivated researchers to demonstrate effective chiral photosynthesis under a chiral near-field beyond circularly polarized light (CPL) as a chiral source. However, the effectivity of the chiral near-field of Mie resonance for chiral photosynthesis has not been clearly demonstrated. One major challenge is the experimental difficulty in evaluating enantiomeric excess of a trace amount of chiral products synthesized in the near-field. Here, by adopting sodium chlorate chiral crystallization as a phenomenon that includes both synthesis and the amplification of chiral products, we show that crystallization on a Mie-resonant silicon metasurface excited by CPL yields a statistically significant large crystal enantiomeric excess of ∼18%, which cannot be achieved merely by CPL. This result provides implications for efficient chiral photosynthesis in a chiral near-field.
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Affiliation(s)
- Hiromasa Niinomi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Kazuhiro Gotoh
- Department of Electrical and Information Engineering, Graduate School of Science and Technology, Niigata University, 8050 Ikarashi 2 no-cho, Nishi-ku, Niigata 950-2181, Japan
- Interdisciplinary Research Center for Carbon-Neutral Technologies, Niigata University, 8050 Ikarashi 2 no-cho, Nishi-ku, Niigata City, Niigata 950-2181, Japan
| | - Naoki Takano
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Miho Tagawa
- Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Iori Morita
- Laboratory for Nanoelectronics and Spintronics, Research Institute of Electrical Communication, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-0812, Japan
| | - Akiko Onuma
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Hiroshi Y Yoshikawa
- Department of Applied Physics, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Ryuzo Kawamura
- Department of Chemistry, Saitama University, Shimo-okubo 255, Sakura-ku, Saitama 338-8570, Japan
| | - Tomoya Oshikiri
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
- Research Institute for Electronic Science, Hokkaido University, Kita-21, Nishi-10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
| | - Masaru Nakagawa
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
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2
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He C, Guo J, Jin L, Deng X, Li J, Liang X, Liang K, Yu L. The Mechanism and Fine-Tuning of Chiral Plexcitons in the Strong Coupling Regime. NANO LETTERS 2023; 23:9428-9436. [PMID: 37823692 DOI: 10.1021/acs.nanolett.3c02835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Chiral plexcitons, produced by the strong interaction between plasmonic nanocavities and chiral molecules, can provide a promising direction for controlling chiroptical responses on the nanoscale. Here, we reveal the chiral origin and electromagnetic hybridization process in chiral strongly coupled systems. The mechanism and unique advantages of chiral plexcitons for fine-tuning circular dichroism (CD) responses are demonstrated, providing a rule for controlling chiral light-matter interactions in complex chiral nanosystems. Furthermore, we experimentally demonstrate the fine-tuning of chiral plexcitons in hybrid systems consisting of plasmonic nanoparticles and chiral J-aggregates. Continuous and precise tuning of the CD resonance positions was successfully achieved in a given structure. Compared with the previous work, the CD spectral tuning accuracy has been improved by an order of magnitude, which can reach the level of 1 nm. Our findings provide a feasible strategy and theoretical basis for accurately controlling chirality in multiple dimensions.
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Affiliation(s)
- Chengmao He
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
| | - Jiaqi Guo
- State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, China
| | - Lei Jin
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
| | - Xuyan Deng
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
| | - Junqiang Li
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
| | - Xiongyu Liang
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
| | - Kun Liang
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
| | - Li Yu
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
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3
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Wang Y, Peng Y, Sun J, Han X, Gao W, Han Q, Zhu L, Dong J, Zhang P. Active Control and Sensing Application of Ultra-Narrowband Circular Dichroism in Multilayer Chiral Nanorod Arrays. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45378-45387. [PMID: 37708439 DOI: 10.1021/acsami.3c07828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
Narrowband circular dichroism (CD) has attracted wide attention for its high sensitivity in detecting chiral molecules and catalysis. However, designing a chiral metasurface with excellent sensing performance that can be dynamically tuned still poses challenges. This paper introduces lithium niobate, an electrically tunable material, and a distributed Bragg reflector into chiral nanorod structures to form multilayer chiral nanorod arrays (MCNAs). Simulation results show that MCNAs can generate four strong ultra-narrowband (UNB) CD signals in the visible light spectrum. The UNB CD signal intensity was up to 0.86, and the minimum full width at half-maximum (FWHM) was up to 0.21 nm. The surface electric field and current distribution of MCNAs indicate that the four UNB CD signals mainly originate from the x and y direction Tamm resonances in the chiral nanorod layer. The refractive index of lithium niobate can be tuned by changing the electric field, allowing the active tuning of UNB CD signals. In addition, the sensing performance of MCNAs in the SARS-CoV-2 solution was analyzed, and the figure of merit (FOM) can reach an astonishing 2092. These findings not only assist with the design of UNB chiral devices but also offer new possibilities for the environmental monitoring and ultrasensitive detection of chiral molecules.
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Affiliation(s)
- Yongkai Wang
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Yu Peng
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Jialin Sun
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Xinyu Han
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Wei Gao
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Qingyan Han
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Lipeng Zhu
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Jun Dong
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Pin Zhang
- National Key Laboratory on Electromagnetic Environmental Effects and Electro-optical Engineering, Army Engineering University of PLA, Nanjing 210007, China
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4
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Lininger A, Palermo G, Guglielmelli A, Nicoletta G, Goel M, Hinczewski M, Strangi G. Chirality in Light-Matter Interaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2107325. [PMID: 35532188 DOI: 10.1002/adma.202107325] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 04/07/2022] [Indexed: 06/14/2023]
Abstract
The scientific effort to control the interaction between light and matter has grown exponentially in the last 2 decades. This growth has been aided by the development of scientific and technological tools enabling the manipulation of light at deeply sub-wavelength scales, unlocking a large variety of novel phenomena spanning traditionally distant research areas. Here, the role of chirality in light-matter interactions is reviewed by providing a broad overview of its properties, materials, and applications. A perspective on future developments is highlighted, including the growing role of machine learning in designing advanced chiroptical materials to enhance and control light-matter interactions across several scales.
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Affiliation(s)
- Andrew Lininger
- Department of Physics, Case Western Reserve University, 2076 Adelbert Rd, Cleveland, OH, 44106, USA
| | - Giovanna Palermo
- Department of Physics, NLHT-Lab, University of Calabria and CNR-NANOTEC Istituto di Nanotecnologia, Rende, 87036, Italy
| | - Alexa Guglielmelli
- Department of Physics, NLHT-Lab, University of Calabria and CNR-NANOTEC Istituto di Nanotecnologia, Rende, 87036, Italy
| | - Giuseppe Nicoletta
- Department of Physics, NLHT-Lab, University of Calabria and CNR-NANOTEC Istituto di Nanotecnologia, Rende, 87036, Italy
| | - Madhav Goel
- Department of Physics, Case Western Reserve University, 2076 Adelbert Rd, Cleveland, OH, 44106, USA
| | - Michael Hinczewski
- Department of Physics, Case Western Reserve University, 2076 Adelbert Rd, Cleveland, OH, 44106, USA
| | - Giuseppe Strangi
- Department of Physics, Case Western Reserve University, 2076 Adelbert Rd, Cleveland, OH, 44106, USA
- Department of Physics, NLHT-Lab, University of Calabria and CNR-NANOTEC Istituto di Nanotecnologia, Rende, 87036, Italy
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5
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Yang K, Chen Y, Yan S, Yang W. Nanostructured surface plasmon resonance sensors: Toward narrow linewidths. Heliyon 2023; 9:e16598. [PMID: 37292265 PMCID: PMC10245261 DOI: 10.1016/j.heliyon.2023.e16598] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/10/2023] Open
Abstract
Surface plasmon resonance sensors have found wide applications in optical sensing field due to their excellent sensitivity to the slight refractive index change of surrounding medium. However, the intrinsically high optical losses in metals make it nontrivial to obtain narrow resonance spectra, which greatly limits the performance of surface plasmon resonance sensors. This review first introduces the influence factors of plasmon linewidths of metallic nanostructures. Then, various approaches to achieve narrow resonance linewidths are summarized, including the fabrication of nanostructured surface plasmon resonance sensors supporting surface lattice resonance/plasmonic Fano resonance or coupling with a photonic cavity, the preparation of surface plasmon resonance sensors with ultra-narrow resonators, as well as strategies such as platform-induced modification, alternating different dielectric layers, and the coupling with whispering-gallery-modes. Lastly, the applications and some existing challenges of surface plasmon resonance sensors are discussed. This review aims to provide guidance for the further development of nanostructured surface plasmon resonance sensors.
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Affiliation(s)
- Kang Yang
- School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou, 434023, China
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yan Chen
- School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou, 434023, China
| | - Sen Yan
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Wenxing Yang
- School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou, 434023, China
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Li N, Zhang L, Wang J. Modulation of chiral spectral deflection by van der Waals force-induced molecular electropolarization in catenane oligomers. RSC Adv 2023; 13:11055-11061. [PMID: 37033423 PMCID: PMC10077512 DOI: 10.1039/d3ra00786c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 03/31/2023] [Indexed: 04/08/2023] Open
Abstract
The striking chiral optical properties of carbon nanostructures are closely related to the precise three-dimensional spatial arrangement (interaction) of carbon atoms. This work investigated the chiral optical properties of three different structures of all-benzene catenane and trefoil knot regulated by van der Waals (vdW) forces using density functional theory (DFT) calculations and wave function analysis. We systematically illustrate how molecular electrical polarization modulates the chiral optical deflection of alkane oligomers under the induction of van der Waals forces. In this work, the UV-vis spectra, transition density matrices (TDM), and electron-hole density diagrams of three molecules have been studied. Combined with a visualization method to represent the effect of molecular polarization on transition electric/magnetic dipole moments (TEDMs\TMDMs), the results show that vdW interactions can induce chirality deflection in polymers. This mechanism provides a clear direction for designing polymers with specific chirality: by modifying the structure, vdW interactions can be generated in specific regions, and then the chirality of the molecule can be precisely regulated. This will help us to establish a strategy for precisely-oriented design of chiral optical materials, and provide guidance for the application and development of optoelectronic materials in specific fields.
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Affiliation(s)
- Ning Li
- Liaoning Provincial Key Laboratory of Novel Micro-Nano Functional Materials, College of Science, Liaoning Petrochemical University Fushun 113001 P. R. China
| | - Lei Zhang
- Liaoning Provincial Key Laboratory of Novel Micro-Nano Functional Materials, College of Science, Liaoning Petrochemical University Fushun 113001 P. R. China
| | - Jingang Wang
- Liaoning Provincial Key Laboratory of Novel Micro-Nano Functional Materials, College of Science, Liaoning Petrochemical University Fushun 113001 P. R. China
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7
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Guselnikova O, Elashnikov R, Svorcik V, Kartau M, Gilroy C, Gadegaard N, Kadodwala M, Karimullah AS, Lyutakov O. Coupling of plasmonic hot spots with shurikens for superchiral SERS-based enantiomer recognition. NANOSCALE HORIZONS 2023; 8:499-508. [PMID: 36752733 DOI: 10.1039/d3nh00008g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Detection of enantiomers is a challenging problem in drug development as well as environmental and food quality monitoring where traditional optical detection methods suffer from low signals and sensitivity. Application of surface enhanced Raman scattering (SERS) for enantiomeric discrimination is a powerful approach for the analysis of optically active small organic or large biomolecules. In this work, we proposed the coupling of disposable chiral plasmonic shurikens supporting the chiral near-field distribution with SERS active silver nanoclusters for enantio-selective sensing. As a result of the plasmonic coupling, significant difference in SERS response of optically active analytes is observed. The observations are studied by numerical simulations and it is hypothesized that the silver particles are being excited by superchiral fields generated at the surface inducing additional polarizations in the probe molecules. The plasmon coupling phenomena was found to be extremely sensitive to slight variations in shuriken geometry, silver nanostructured layer parameters, and SERS excitation wavelength(s). Designed structures were able to discriminate cysteine enantiomers at concentrations in the nanomolar range and probe biomolecular chirality, using a common Raman spectrometer within several minutes. The combination of disposable plasmonic substrates with specific near-field polarization can make the SERS enantiomer discrimination a commonly available technique using standard Raman spectrometers.
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Affiliation(s)
- Olga Guselnikova
- Department of Solid State Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic.
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk, 634050, Russian Federation.
| | - Roman Elashnikov
- Department of Solid State Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic.
| | - Vaclav Svorcik
- Department of Solid State Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic.
| | - Martin Kartau
- School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow, G12 8QQ, UK.
| | - Cameron Gilroy
- School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow, G12 8QQ, UK.
| | - Nikolaj Gadegaard
- James Watt School of Engineering, University of Glasgow, Rankine Building, Glasgow, G12 8LT, UK
| | - Malcolm Kadodwala
- School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow, G12 8QQ, UK.
| | - Affar S Karimullah
- School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow, G12 8QQ, UK.
| | - Oleksiy Lyutakov
- Department of Solid State Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic.
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8
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Luo JJ, Zhang H, Zou HL, Luo HQ, Li NB, Li BL. Tracking the Growth of Chiral Plasmonic Nanocrystals at Molybdenum Disulfide Heterostructural Interfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:3052-3061. [PMID: 36787386 DOI: 10.1021/acs.langmuir.2c03101] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The way of accurately regulating the growth of chiral plasmonics is of great importance for exploring the chirality information and improving its potential values. Herein, cysteine enantiomers modulate the anisotropic and epitaxial growth of gold nanoplasmonics on seeds of exfoliated MoS2 nanosheets. The heterostructural Au and MoS2 hybrids induced by enantiomeric cysteine are presented with chiroptical characteristics, dendritic morphologies, and plasmonic performances. Moreover, the synthesis, condition optimization, formation mechanism, and plasmonic properties of Au and MoS2 dendritic nanostructures are studied. The chirality characteristics are identified using the circular dichroism spectra and scanning electron microscopy. Time-resolved transmission electron microscopy and UV-vis spectra of the intermediate products captured are analyzed to confirm the formation mechanism of dendritic plasmonic nanostructures at heterostructural surfaces. The specific dendritic morphologies originate from the synergistic impacts of heterostructural MoS2 interfaces and enantiomeric cysteine-induced anisotropic manipulation. Significantly, the developed synthesis strategy of chiral nanostructures at heterostructural interfaces is highly promising in promoting the understanding of the plasmonic function and crucial chirality bioinformation.
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Affiliation(s)
- Jun Jiang Luo
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Hang Zhang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Hao Lin Zou
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Hong Qun Luo
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Nian Bing Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Bang Lin Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
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9
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Wang Y, Li Z, Peng Y, Lan X, Dong J, Gao W, Han Q, Qi J, Zhang Z. Enhancement and Sensing Application of Ultra-Narrowband Circular Dichroism in the Chiral Nanostructures Based on Monolayer MoS 2 and a Distributed Bragg Reflector. ACS APPLIED MATERIALS & INTERFACES 2023; 15:1925-1933. [PMID: 36538828 DOI: 10.1021/acsami.2c20203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Narrowband circular dichroism (CD) has aroused wide concerns in high-sensitivity detections of chiral molecular and chiral catalysis. Nevertheless, the dynamical adjustment of ultra-narrowband (UNB) CD signals is hard to achieve. In this work, single-layer molybdenum disulfide (MoS2), vanadium dioxide (VO2), and a distributed Bragg reflector (DBR) are introduced into X-shaped chiral nanostructures (XCNs) for overcoming the above challenge. The simulation results show that XCNs can generate four strong UNB CD signals in the near-infrared band, and XCNs/MoS2 can further enhance the UNB CD signals. The full width at half-minimum of UNB CD signals can reach 0.14 nm. The electric field distributions of XCNs/MoS2 show that the four CD signals originate from the coupling between the guided mode resonances along the x and y axes in the VO2 layer and the Tamm plasmon polaritons along the x and y axes in the DBR layer. Four UNB CD peaks can be actively tuned by varying the structural parameters, the number of MoS2 layers, and the environmental temperature. The FOM of XCNs/MoS2 can reach 1487 by changing the refractive index of the DRB layers. These findings contribute to the design of UNB chiral devices and provide new possibilities for environmental monitoring and ultrasensitive detection of chiral molecules.
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Affiliation(s)
- Yongkai Wang
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Zhiduo Li
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Yu Peng
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Xiang Lan
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Jun Dong
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Wei Gao
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Qingyan Han
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Jianxia Qi
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Zhongyue Zhang
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China
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10
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Stamatopoulou PE, Droulias S, Acuna GP, Mortensen NA, Tserkezis C. Reconfigurable chirality with achiral excitonic materials in the strong-coupling regime. NANOSCALE 2022; 14:17581-17588. [PMID: 36408680 DOI: 10.1039/d2nr05063c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
We introduce and theoretically analyze the concept of manipulating optical chirality via strong coupling of the optical modes of chiral nanostructures with excitonic transitions in molecular layers or semiconductors. With chirality being omnipresent in chemistry and biomedicine, and highly desirable for technological applications related to efficient light manipulation, the design of nanophotonic architectures that sense the handedness of molecules or generate the desired light polarization in an externally controllable manner is of major interdisciplinary importance. Here we propose that such capabilities can be provided by the mode splitting resulting from polaritonic hybridization. Starting with an object with well-known chiroptical response-here, for a proof of concept, a chiral sphere-we show that strong coupling with a nearby excitonic material generates two spectral branches that retain the object's high chirality density, which manifest most clearly through anticrossings in circular-dichroism or differential-scattering dispersion diagrams. These windows can be controlled by the intrinsic properties of the excitonic layer and the strength of the interaction, enabling thus the post-fabrication manipulation of optical chirality. Our findings are further verified via simulations of circular dichroism of a realistic chiral architecture, namely a helical assembly of plasmonic nanospheres embedded in a resonant matrix.
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Affiliation(s)
- P Elli Stamatopoulou
- Center for Nano Optics, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark.
| | - Sotiris Droulias
- Department of Digital Systems, University of Piraeus, GR-18534, Piraeus, Greece
| | - Guillermo P Acuna
- Department of Physics, University of Fribourg, Chemin du Musée 3, Fribourg CH-1700, Switzerland
| | - N Asger Mortensen
- Center for Nano Optics, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark.
- Danish Institute for Advanced Study, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Christos Tserkezis
- Center for Nano Optics, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark.
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11
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Therien DAB, Read ST, Rosendahl SM, Lagugné‐Labarthet F. Optical Resonances of Chiral Metastructures in the Mid‐infrared Spectral Range. Isr J Chem 2022. [DOI: 10.1002/ijch.202200007] [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]
Affiliation(s)
- Denis A. B. Therien
- Department of Chemistry Western University The University of Western Ontario). 1151 Richmond Street London Ontario, N6A 5B7 Canada
| | - Stuart T. Read
- Canadian Light Source Inc. 44 Innovation Blvd Saskatoon Saskatchewan S7N 2V3 Canada
| | - Scott M. Rosendahl
- Canadian Light Source Inc. 44 Innovation Blvd Saskatoon Saskatchewan S7N 2V3 Canada
| | - François Lagugné‐Labarthet
- Department of Chemistry Western University The University of Western Ontario). 1151 Richmond Street London Ontario, N6A 5B7 Canada
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12
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Mao L, Cheng P, Liu K, Lian M, Cao T. Sieving nanometer enantiomers using bound states in the continuum from the metasurface. NANOSCALE ADVANCES 2022; 4:1617-1625. [PMID: 36134367 PMCID: PMC9419565 DOI: 10.1039/d1na00764e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 02/07/2022] [Indexed: 06/16/2023]
Abstract
Enantioseparation of chiral molecules is an important aspect of life sciences, chemical syntheses, and physics. Yet, the prevailing chemical techniques are not effective. Recently, a few types of plasmonic apertures have been theoretically proposed to distinguish between chiral molecules that vary based on their handedness under circularly polarized illumination. Both analytic calculations and numerical simulation demonstrated that enantioselective optical sieving could be obtained at the nanoscale using a large chiral optical force based on plasmonic resonance enhanced near-field chiral gradients in the aperture. Nevertheless, scaling this scheme to chiral entities of a few nanometer size (i.e., proteins and DNA) faces formidable challenges owing to the fabrication limit of a deeply sub-nanometer aperture and the intense power levels needed for nanoscale trapping. In contrast, by extending the Friedrich-Wintgen theory of the bound states in the continuum (BIC) to photonics, one may explore another mechanism to obtain enantioselective separation of chiral nanoparticles using all-dielectric nanostructures. Here, we present a metasurface composed of an array of silicon (Si) nanodisks embedded with off-set holes, which supports a sharp high-quality (Q) magnetic dipolar (MD) resonance originating from a distortion of symmetry-protected BIC, so called quasi-BIC. We, for the very first time, show that such a quasi-BIC MD resonance can markedly improve the chiral lateral force on the paired enantiomers with linearly polarized illumination. This quasi-BIC MD resonance can enhance the chirality density gradient with alternating sign at each octant around the Si nanodisk, while exhibiting a small gradient for the electromagnetic (EM) density. This offers a chiral lateral force that is 1 order larger in magnitude compared to the non-chiral lateral forces on sub-2 nm chiral objects with a chirality parameter of ±0.01. Moreover, the quasi-BIC MD resonance can excite four pairs of diverse optical potential wells (-13k B T) that are distributed uniformly along the outer edge of the resonator, enabling a simultaneous separation of four paired enantiomers. Our proposed dielectric metasurface may move forward the techniques of enantioseparation and enantiopurification, taking a novel perspective to advanced all-optical enantiopure synthesis.
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Affiliation(s)
- Libang Mao
- School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology Dalian 116024 China
| | - Peiyuan Cheng
- School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology Dalian 116024 China
| | - Kuan Liu
- School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology Dalian 116024 China
| | - Meng Lian
- School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology Dalian 116024 China
| | - Tun Cao
- School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology Dalian 116024 China
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13
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Vila-Liarte D, Kotov NA, Liz-Marzán LM. Template-assisted self-assembly of achiral plasmonic nanoparticles into chiral structures. Chem Sci 2022; 13:595-610. [PMID: 35173926 PMCID: PMC8768870 DOI: 10.1039/d1sc03327a] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 09/02/2021] [Indexed: 12/12/2022] Open
Abstract
The acquisition of strong chiroptical activity has revolutionized the field of plasmonics, granting access to novel light-matter interactions and revitalizing research on both the synthesis and application of nanostructures. Among the different mechanisms for the origin of chiroptical properties in colloidal plasmonic systems, the self-assembly of achiral nanoparticles into optically active materials offers a versatile route to control the structure-optical activity relationships of nanostructures, while simplifying the engineering of their chiral geometries. Such unconventional materials include helical structures with a precisely defined morphology, as well as large scale, deformable substrates that can leverage the potential of periodic patterns. Some promising templates with helical structural motifs like liquid crystal phases or confined block co-polymers still need efficient strategies to direct preferential handedness, whereas other templates such as silica nanohelices can be grown in an enantiomeric form. Both types of chiral structures are reviewed herein as platforms for chiral sensing: patterned substrates can readily incorporate analytes, while helical assemblies can form around structures of interest, like amyloid protein aggregates. Looking ahead, current knowledge and precedents point toward the incorporation of semiconductor emitters into plasmonic systems with chiral effects, which can lead to plasmonic-excitonic effects and the generation of circularly polarized photoluminescence.
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Affiliation(s)
- David Vila-Liarte
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA) Paseo de Miramon 194 20014 Donostia San Sebastián Spain
- Centro de Investigación Biomédica en Red, Biomateriales, Bioingeniería y Nanomedicina (CIBER-BBN) Spain
| | - Nicholas A Kotov
- Department of Chemical Engineering, Materials Science, Department of Biomedical Engineering, University of Michigan Ann Arbor USA
- Biointerfaces Institute, University of Michigan Ann Arbor USA
| | - Luis M Liz-Marzán
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA) Paseo de Miramon 194 20014 Donostia San Sebastián Spain
- Centro de Investigación Biomédica en Red, Biomateriales, Bioingeniería y Nanomedicina (CIBER-BBN) Spain
- Ikerbasque, Basque Foundation for Science 48013 Bilbao Spain
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14
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Guo J, Wu F, Song G, Huang Y, Jiao R, Yu L. Diverse axial chiral assemblies of J-aggregates in plexcitonic nanoparticles. NANOSCALE 2021; 13:15812-15818. [PMID: 34528651 DOI: 10.1039/d1nr02634h] [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
Plexcitonic hybrids, consisting of metal nanoparticles and J-aggregates, are effective nanostructures to achieve a strong coupling regime. The chirality of the exciton in the strong coupled plexcitons provides more potential for the design of advanced optoelectronic devices. Here, we experimentally measured the circular dichroism (CD) spectra of plexcitonic hybrids, and researched the diverse chirality of J-aggregates assembled on the surface of the achiral Au nanorods. We found that the chirality of J-aggregates is not only related to the quantity of dye molecules in the plexcitonic, but also to the distribution in different positions of the nanorods, by analyzing the composition of the CD spectra with a quasistatic theory. The J-aggregates assembled on both ends and both sides of the nanorods had opposite chirality. The interaction between the longitudinal localized surface plasmon resonance (LLSPR) of the nanorods and J-aggregates achieved the strong coupling regime, and Rabi splitting of about 198.3 meV was observed. The research into the chirality of the plexcitons provided more detail on the chiral J-aggregates assembly on the nanoparticles, and give a perspective on the development of the strong coupling interactions and the design of optoelectronic systems.
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Affiliation(s)
- Jiaqi Guo
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China.
| | - Fan Wu
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China.
| | - Gang Song
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China.
| | - Yuming Huang
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China.
| | - Rongzhen Jiao
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China.
| | - Li Yu
- State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China.
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15
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Zhao J, Xing P. Regulation of Circularly Polarized Luminescence in Multicomponent Supramolecular Coassemblies. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Jianjian Zhao
- School of Chemistry and Chemical Engineering Shandong University Jinan 250100 P.R. China
| | - Pengyao Xing
- School of Chemistry and Chemical Engineering Shandong University Jinan 250100 P.R. China
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16
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Wang Y, Wang Q, Wang Q, Wang Y, Li Z, Lan X, Gao W, Han Q, Dong J. Circular dichroism enhancement and dynamically adjustment in planar metal chiral split rings with graphene sheets arrays. NANOTECHNOLOGY 2021; 32:385205. [PMID: 34116514 DOI: 10.1088/1361-6528/ac0ac6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 06/11/2021] [Indexed: 06/12/2023]
Abstract
Chiral plasmonic nanostructures have become a promising platform for polarization converters and molecular analysis. However, the circular dichroism (CD) of planar chiral plasmonic nanostructures is always weak and difficult for dynamic adjustment. In this work, graphene sheets (GSs) are introduced in planar metal chiral split rings (MCSRs) to enhance and dynamically adjust their CD effect. The chiral split rings consist of rotated big and small split rings. Simulation results show that the plasmonic coupling between MCSRs and GSs can enhance the absorption and CD spectra of MCSRs at two resonant wavelengths. The surface current distributions reveal that the CD signals are due to the localized surface plasmon resonances on the big and small split rings, respectively. The loss distributions illustrate that the increased loss mainly locates in GSs. In addition, the CD spectra of MCSRs/GSs can be dynamically adjusted and influenced by the Fermi energy of GSs, the geometric parameters of MCSRs and, the mediums in the environment. It can be used to detect the environmental temperature and concentration. The results help to design dynamically adjustable chiral nanostructures and promote their applications in environment detection.
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Affiliation(s)
- Yongkai Wang
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
| | - Qijing Wang
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
| | - Qianying Wang
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
| | - Yingying Wang
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
| | - Zhiduo Li
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
| | - Xiang Lan
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
| | - Wei Gao
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
| | - Qingyan Han
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
| | - Jun Dong
- School of Electronic Engineering, Xi'an University of Posts & Telecommunications, Xi'an 710121 People's Republic of China
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17
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Wang Y, Wang Q, Wang Q, Wang Y, Li Z, Lan X, Dong J, Gao W, Han Q, Zhang Z. Dynamically adjustable-induced THz circular dichroism and biosensing application of symmetric silicon-graphene-metal composite nanostructures. OPTICS EXPRESS 2021; 29:8087-8097. [PMID: 33820261 DOI: 10.1364/oe.419614] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 02/10/2021] [Indexed: 06/12/2023]
Abstract
Induced circular dichroism (ICD) has been used to detect biomolecular conformations through the coupling between chiral molecules and achiral metal nanostructures with the localized surface plasmon (LSP). However, this ICD is always weak and cannot be dynamically adjusted. Here, we put dielectric and graphene nanostructures on a metal-substrate for restricting more light energies and obtaining dynamic adjustable performance. A composite nanostructure array composed of achiral silicon-nanorods on a metal-substrate and graphene-ribbons (ASMG) is theoretically investigated. Two strong ICD signals appear in the THz region. Near-field magnetic distributions of ASMG reveal that the two strong ICD signals are mainly due to the surface plasmon resonances (SPPs) on the metal-substrate and LSP in the graphene nanostructures, respectively. The ICD signals strongly depend on the geometric parameters of ASMG and are dynamically adjusted by just changing the Fermi levels of graphene-ribbons. In addition, left-handed ASMG and right-handed ASMG can be used to identify the chiral molecular solutions with different chiralities. The maximum enhancement factor of the chiral molecular solutions could reach up to 3500 times in the THz region. These results can help to design dynamically adjustable THz chiral sensors and promote their application in biological monitoring and asymmetric catalysis.
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