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TiN–Fe Vertically Aligned Nanocomposites Integrated on Silicon as a Multifunctional Platform toward Device Applications. CRYSTALS 2022. [DOI: 10.3390/cryst12060849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Transition metal nitrides such as titanium nitride (TiN) possess exceptional mechanical-, chemical-, and thermal-stability and have been utilized in a wide variety of applications ranging from super-hard, corrosion-resistive, and decorative coatings to nanoscale diffusion barriers in semiconductor devices. Despite the ongoing interest in these robust materials, there have been limited reports focused on engineering high-aspect ratio TiN-based nanocomposites with anisotropic magnetic and optical properties. To this end, we explored TiN–Fe thin films with self-assembled vertical structures integrated on Si substrates. We showed that the key physical properties of the individual components (e.g., ferromagnetism from Fe) are preserved, that vertical nanostructures promote anisotropic behavior, and interactions between TiN and Fe enable a special magneto-optical response. This TiN–Fe nanocomposite system presents a new group of complex multifunctional hybrid materials that can be integrated on Si for future Si-based memory, optical, and biocompatible devices.
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Paldi RL, Lu J, Pachaury Y, He Z, Bhatt NA, Zhang X, El-Azab A, Siddiqui A, Wang H. ZnO-Au xCu 1-x Alloy and ZnO-Au xAl 1-x Alloy Vertically Aligned Nanocomposites for Low-Loss Plasmonic Metamaterials. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27061785. [PMID: 35335149 PMCID: PMC8948785 DOI: 10.3390/molecules27061785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 11/28/2022]
Abstract
Hyperbolic metamaterials are a class of materials exhibiting anisotropic dielectric function owing to the morphology of the nanostructures. In these structures, one direction behaves as a metal, and the orthogonal direction behaves as a dielectric material. Applications include subdiffraction imaging and hyperlenses. However, key limiting factors include energy losses of noble metals and challenging fabrication methods. In this work, self-assembled plasmonic metamaterials consisting of anisotropic nanoalloy pillars embedded into the ZnO matrix are developed using a seed-layer approach. Alloys of AuxAl1−x or AuxCu1−x are explored due to their lower losses and higher stability. Optical and microstructural properties were explored. The ZnO-AuxCu1−x system demonstrated excellent epitaxial quality and optical properties compared with the ZnO-AuxAl1−x system. Both nanocomposite systems demonstrate plasmonic resonance, hyperbolic dispersion, low losses, and epsilon-near-zero permittivity, making them promising candidates towards direct photonic integration.
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Affiliation(s)
- Robynne L. Paldi
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA; (R.L.P.); (J.L.); (Y.P.); (N.A.B.); (X.Z.); (A.E.-A.)
| | - Juanjuan Lu
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA; (R.L.P.); (J.L.); (Y.P.); (N.A.B.); (X.Z.); (A.E.-A.)
| | - Yash Pachaury
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA; (R.L.P.); (J.L.); (Y.P.); (N.A.B.); (X.Z.); (A.E.-A.)
| | - Zihao He
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA;
| | - Nirali A. Bhatt
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA; (R.L.P.); (J.L.); (Y.P.); (N.A.B.); (X.Z.); (A.E.-A.)
| | - Xinghang Zhang
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA; (R.L.P.); (J.L.); (Y.P.); (N.A.B.); (X.Z.); (A.E.-A.)
| | - Anter El-Azab
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA; (R.L.P.); (J.L.); (Y.P.); (N.A.B.); (X.Z.); (A.E.-A.)
| | | | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA; (R.L.P.); (J.L.); (Y.P.); (N.A.B.); (X.Z.); (A.E.-A.)
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA;
- Correspondence:
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Harun-Ur-Rashid M, Foyez T, Jahan I, Pal K, Imran AB. Rapid diagnosis of COVID-19 via nano-biosensor-implemented biomedical utilization: a systematic review. RSC Adv 2022; 12:9445-9465. [PMID: 35424900 PMCID: PMC8959446 DOI: 10.1039/d2ra01293f] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 03/04/2022] [Indexed: 12/14/2022] Open
Abstract
The novel human coronavirus pandemic is one of the most significant occurrences in human civilization. The rapid proliferation and mutation of Severe Acute Respiratory Syndrome-Coronavirus 2 (SARS-CoV-2) have created an exceedingly challenging situation throughout the world's healthcare systems ranging from underdeveloped countries to super-developed countries. The disease is generally recognized as coronavirus disease 2019 (COVID-19), and it is caused by a new human CoV, which has put mankind in jeopardy. COVID-19 is death-dealing and affects people of all ages, including the elderly and middle-aged people, children, infants, persons with co-morbidities, and immunocompromised patients. Moreover, multiple SARS-CoV-2 variants have evolved as a result of genetic alteration. Some variants cause severe symptoms in patients, while others cause an unusually high infection rate, and yet others cause extremely severe symptoms as well as a high infection rate. Contrasting with a previous epidemic, COVID-19 is more contagious since the spike protein of SARS-CoV-2 demonstrates profuse affection to angiotensin-converting enzyme II (ACE2) that is copiously expressed on the surface of human lung cells. Since the estimation and tracking of viral loads are essential for determining the infection stage and recovery duration, a quick, accurate, easy, cheap, and versatile diagnostic tool is critical for managing COVID-19, as well as for outbreak control. Currently, Reverse Transcription Polymerase Chain Reaction (RT-PCR) testing is the most often utilized approach for COVID-19 diagnosis, while Computed Tomography (CT) scans of the chest are used to assess the disease's stages. However, the RT-PCR method is non-portable, tedious, and laborious, and the latter is not capable of detecting the preliminary stage of infection. In these circumstances, nano-biosensors can play an important role to deliver point-of-care diagnosis for a variety of disorders including a wide variety of viral infections rapidly, economically, precisely, and accurately. New technologies are being developed to overcome the drawbacks of the current methods. Nano-biosensors comprise bioreceptors with electrochemical, optical, or FET-based transduction for the specific detection of biomarkers. Different types of organic–inorganic nanomaterials have been incorporated for designing, fabricating, and improving the performance and analytical ability of sensors by increasing sensitivity, adsorption, and biocompatibility. The particular focus of this review is to carry out a systematic study of the status and perspectives of synthetic routes for nano-biosensors, including their background, composition, fabrication processes, and prospective applications in the diagnosis of COVID-19. This review will focus on the rapid, selective, accurate, easy, affordable, versatile, and point-of-care diagnosis of COVID-19 using electrochemical, optical, magnetic, aptameric, and plasmonic nano-biosensors.![]()
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Affiliation(s)
- Mohammad Harun-Ur-Rashid
- Department of Chemistry, International University of Business Agriculture and Technology, Dhaka, 1230, Bangladesh
| | - Tahmina Foyez
- Department of Pharmaceutical Sciences, School of Health and Life Sciences, North South University, Dhaka, 1229, Bangladesh
| | - Israt Jahan
- Department of Cell Physiology, Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Kaushik Pal
- University Centre for Research and Development (UCRD), Department of Physics, Chandigarh University, Punjab, 140413, India
| | - Abu Bin Imran
- Department of Chemistry, Bangladesh University of Engineering and Technology, Dhaka, 1000, Bangladesh
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Wang Z, Chen J, Khan SA, Li F, Shen J, Duan Q, Liu X, Zhu J. Plasmonic Metasurfaces for Medical Diagnosis Applications: A Review. SENSORS (BASEL, SWITZERLAND) 2021; 22:133. [PMID: 35009676 PMCID: PMC8747222 DOI: 10.3390/s22010133] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/23/2021] [Accepted: 12/23/2021] [Indexed: 05/25/2023]
Abstract
Plasmonic metasurfaces have been widely used in biosensing to improve the interaction between light and biomolecules through the effects of near-field confinement. When paired with biofunctionalization, plasmonic metasurface sensing is considered as a viable strategy for improving biomarker detection technologies. In this review, we enumerate the fundamental mechanism of plasmonic metasurfaces sensing and present their detection in human tumors and COVID-19. The advantages of rapid sampling, streamlined processes, high sensitivity, and easy accessibility are highlighted compared with traditional detection techniques. This review is looking forward to assisting scientists in advancing research and developing a new generation of multifunctional biosensors.
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Affiliation(s)
- Zhenbiao Wang
- Key Laboratory of Electromagnetic Wave Science and Detection Technology, Institute of Electromagnetics and Acoustics, Xiamen University, Xiamen 361005, China; (Z.W.); (S.A.K.); (F.L.); (J.S.); (Q.D.); (X.L.)
- State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
| | - Junjie Chen
- Analysis and Measurement Center, School of Pharmaceutical Science, Xiamen University, Xiamen 361003, China;
| | - Sayed Ali Khan
- Key Laboratory of Electromagnetic Wave Science and Detection Technology, Institute of Electromagnetics and Acoustics, Xiamen University, Xiamen 361005, China; (Z.W.); (S.A.K.); (F.L.); (J.S.); (Q.D.); (X.L.)
| | - Fajun Li
- Key Laboratory of Electromagnetic Wave Science and Detection Technology, Institute of Electromagnetics and Acoustics, Xiamen University, Xiamen 361005, China; (Z.W.); (S.A.K.); (F.L.); (J.S.); (Q.D.); (X.L.)
| | - Jiaqing Shen
- Key Laboratory of Electromagnetic Wave Science and Detection Technology, Institute of Electromagnetics and Acoustics, Xiamen University, Xiamen 361005, China; (Z.W.); (S.A.K.); (F.L.); (J.S.); (Q.D.); (X.L.)
| | - Qilin Duan
- Key Laboratory of Electromagnetic Wave Science and Detection Technology, Institute of Electromagnetics and Acoustics, Xiamen University, Xiamen 361005, China; (Z.W.); (S.A.K.); (F.L.); (J.S.); (Q.D.); (X.L.)
| | - Xueying Liu
- Key Laboratory of Electromagnetic Wave Science and Detection Technology, Institute of Electromagnetics and Acoustics, Xiamen University, Xiamen 361005, China; (Z.W.); (S.A.K.); (F.L.); (J.S.); (Q.D.); (X.L.)
| | - Jinfeng Zhu
- Key Laboratory of Electromagnetic Wave Science and Detection Technology, Institute of Electromagnetics and Acoustics, Xiamen University, Xiamen 361005, China; (Z.W.); (S.A.K.); (F.L.); (J.S.); (Q.D.); (X.L.)
- State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
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Paldi RL, Sun X, Phuah XL, Lu J, Zhang X, Siddiqui A, Wang H. Deposition pressure-induced microstructure control and plasmonic property tuning in hybrid ZnO-Ag x Au 1-x thin films. NANOSCALE ADVANCES 2021; 3:2870-2878. [PMID: 36134183 PMCID: PMC9417727 DOI: 10.1039/d0na00887g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 02/20/2021] [Indexed: 06/16/2023]
Abstract
Self-assembled oxide-metallic alloy nanopillars as hybrid plasmonic metamaterials (e.g., ZnO-Ag x Au1-x ) in a thin film form have been grown using a pulsed laser deposition method. The hybrid films were demonstrated to be highly tunable via systematic tuning of the oxygen background pressure during deposition. The pressure effects on morphology and optical properties have been investigated and found to be critical to the overall properties of the hybrid films. Specifically, low background pressure results in the vertically aligned nanocomposite (VAN) form while the high-pressure results in more lateral growth of the nanoalloys. Strong surface plasmon resonance was observed in the UV-vis region and a hyperbolic dielectric function was achieved due to the anisotropic morphology. The oxide-nanoalloy hybrid material grown in this work presents a highly effective approach for tuning the binary nanoalloy morphology and properties through systematic parametric changes, important for their potential applications in integrated photonics and plasmonics such as sensors, energy harvesting devices, and beyond.
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Affiliation(s)
- Robynne L Paldi
- School of Materials Engineering, Purdue University West Lafayette Indiana 47907 USA
| | - Xing Sun
- School of Materials Engineering, Purdue University West Lafayette Indiana 47907 USA
| | - Xin Li Phuah
- School of Materials Engineering, Purdue University West Lafayette Indiana 47907 USA
| | - Juanjuan Lu
- School of Materials Engineering, Purdue University West Lafayette Indiana 47907 USA
| | - Xinghang Zhang
- School of Materials Engineering, Purdue University West Lafayette Indiana 47907 USA
| | | | - Haiyan Wang
- School of Materials Engineering, Purdue University West Lafayette Indiana 47907 USA
- School of Electrical and Computer Engineering, Purdue University West Lafayette Indiana 47907 USA
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6
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Zhang D, Misra S, Jian J, Lu P, Li L, Wissel A, Zhang X, Wang H. Self-Assembled BaTiO 3-Au xAg 1-x Low-Loss Hybrid Plasmonic Metamaterials with an Ordered "Nano-Domino-like" Microstructure. ACS APPLIED MATERIALS & INTERFACES 2021; 13:5390-5398. [PMID: 33464819 DOI: 10.1021/acsami.0c19108] [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
Metallic plasmonic hybrid nanostructures have attracted enormous research interest due to the combined physical properties coming from different material components and the broad range of applications in nanophotonic and electronic devices. However, the high loss and narrow range of property tunability of the metallic hybrid materials have limited their practical applications. Here, a metallic alloy-based self-assembled plasmonic hybrid nanostructure, i.e., a BaTiO3-AuxAg1-x (BTO) vertically aligned nanocomposite, has been integrated by a templated growth method for low-loss plasmonic systems. Comprehensive microstructural characterizations including high-resolution scanning transmission electron microscopy (HRSTEM), energy-dispersive X-ray spectroscopy (EDS), and three-dimensional (3D) electron tomography demonstrate the formation of an ordered "nano-domino-like" morphology with Au0.4Ag0.6 nanopillars as cylindrical cores and BTO as square shells. By comparing with the BTO-Au hybrid thin film, the BTO-Au0.4Ag0.6 alloyed film exhibits much broader plasmon resonance, hyperbolic dispersion, low-loss, and thermally robust features in the UV-vis-NIR wavelength region. This study provides a feasible platform for a complex alloyed plasmonic hybrid material design with low-loss and highly tunable optical properties toward all-optical integrated devices.
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Affiliation(s)
- Di Zhang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Shikhar Misra
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jie Jian
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Ping Lu
- Sandia National Laboratories, Albuquerque, New Mexico 87185, United States
| | - Leigang Li
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Ashley Wissel
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Xinghang Zhang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
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Wang X, Jian J, Wang H, Liu J, Pachaury Y, Lu P, Rutherford BX, Gao X, Xu X, El-Azab A, Zhang X, Wang H. Nitride-Oxide-Metal Heterostructure with Self-Assembled Core-Shell Nanopillar Arrays: Effect of Ordering on Magneto-Optical Properties. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2007222. [PMID: 33448118 DOI: 10.1002/smll.202007222] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Indexed: 06/12/2023]
Abstract
Magneto-optical (MO) coupling incorporates photon-induced change of magnetic polarization that can be adopted in ultrafast switching, optical isolators, mode convertors, and optical data storage components for advanced optical integrated circuits. However, integrating plasmonic, magnetic, and dielectric properties in one single material system poses challenges since one natural material can hardly possess all these functionalities. Here, co-deposition of a three-phase heterostructure composed of a durable conductive nitride matrix with embedded core-shell vertically aligned nanopillars, is demonstrated. The unique coupling between ferromagnetic NiO core and atomically sharp plasmonic Au shell enables strong MO activity out-of-plane at room temperature. Further, a template growth process is applied, which significantly enhances the ordering of the nanopillar array. The ordered nanostructure offers two schemes of spin polarization which result in stronger antisymmetry of Kerr rotation. The presented complex hybrid metamaterial platform with strong magnetic and optical anisotropies is promising for tunable and modulated all-optical-based nanodevices.
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Affiliation(s)
- Xuejing Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Jie Jian
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Haohan Wang
- Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Juncheng Liu
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Yash Pachaury
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Ping Lu
- Sandia National Laboratories, Albuquerque, NM, 87185, USA
| | - Bethany X Rutherford
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Xingyao Gao
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Xiaoshan Xu
- Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Anter El-Azab
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Xinghang Zhang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, 47907, USA
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Zhang B, Kalaswad M, Rutherford BX, Misra S, He Z, Wang H, Qi Z, Wissel AE, Xu X, Wang H. Au-Encapsulated Fe Nanorods in Oxide Matrix with Tunable Magneto-Optic Coupling Properties. ACS APPLIED MATERIALS & INTERFACES 2020; 12:51827-51836. [PMID: 33164483 DOI: 10.1021/acsami.0c14424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Materials with magneto-optic coupling properties are highly coveted for their potential applications ranging from spintronics and optical switches to sensors. In this work, a new, three-phase Au-Fe-La0.5Sr0.5FeO3 (LSFO) hybrid material grown in a vertically aligned nanocomposite (VAN) form has been demonstrated. This three-phase hybrid material combines the strong ferromagnetic properties of Fe and the strong plasmonic properties of Au and the dielectric nature of the LSFO matrix. More interestingly, the immiscible Au and Fe phases form Au-encapsulated Fe nanopillars, embedded in the LSFO matrix. Multifunctionalities including anisotropic optical dielectric properties, plasmonic properties, magnetic anisotropy, and room-temperature magneto-optic Kerr effect coupling are demonstrated. The single-step growth method to grow the immiscible two-metal nanostructures (i.e., Au and Fe) in the complex hybrid material form opens exciting new potential opportunities for future three-phase VAN systems with more versatile metal selections.
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Affiliation(s)
- Bruce Zhang
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Matias Kalaswad
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Bethany X Rutherford
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Shikhar Misra
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Zihao He
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Haohan Wang
- Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Zhimin Qi
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Ashley E Wissel
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Xiaoshan Xu
- Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Haiyan Wang
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
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Wang X, Wang H. Self-assembled nitride-metal nanocomposites: recent progress and future prospects. NANOSCALE 2020; 12:20564-20579. [PMID: 33090168 DOI: 10.1039/d0nr06316a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Two-phase nanocomposites have gained significant research interest because of their multifunctionalities, tunable geometries and potential device applications. Different from the previously demonstrated oxide-oxide 2-phase nanocomposites, coupling nitrides with metals shows high potential for building alternative hybrid plasmonic metamaterials towards chemical sensing, tunable plasmonics, and nonlinear optics. Unique advantages, including distinct atomic interface, excellent crystalline quality, large-scale surface coverage and durable solid-state platform, address the high demand for new hybrid metamaterial designs for versatile optical material needs. This review summarizes the recent progress on nitride-metal nanocomposites, specifically targeting bottom-up self-assembled nanocomposite thin films. Various morphologies including vertically aligned nanocomposites (VANs), self-organized nanoinclusions, and nanoholes fabricated by additional chemical treatments are introduced. Starting from thin film nucleation and growth, the prerequisites of successful strain coupling and the underlying growth mechanisms are discussed. These findings facilitate a better control of tunable nanostructures and optical functionalities. Future research directions are proposed, including morphological control of the secondary phase to enhance its homogeneity, coupling nitrides with magnetic phase for the magneto-optical effect and growing all-ceramic nanocomposites to extend functionalities and anisotropy.
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Affiliation(s)
- Xuejing Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA. and School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA. and School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA
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Wang X, Choi J, Liu J, Malis O, Li X, Bermel P, Zhang X, Wang H. 3D Hybrid Trilayer Heterostructure: Tunable Au Nanorods and Optical Properties. ACS APPLIED MATERIALS & INTERFACES 2020; 12:45015-45022. [PMID: 32960570 DOI: 10.1021/acsami.0c14937] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Engineering plasmonic nanostructures from three dimensions (3D) is very attractive toward controllable and tunable nanophotonic components and devices. Herein, Au-based trilayer heterostructures composed of a dielectric spacer sandwiched by hybrid Au-TiN vertically aligned nanocomposite (VAN) nanoplasmonic claddings are demonstrated with a broad range of geometries and property tuning. Two types of spacer layers, that is, a pure dielectric BaTiO3 layer and a hybrid plasmonic Au-BaTiO3 VAN layer, contribute to the tuning of the Au nanorod dimension. Such geometrical variations of Au nanostructures originate from the surface energy and lattice strain tuned by the spacer layers. Optical measurements and numerical simulations suggest the change of the localized surface plasmon resonance which is strongly affected by the tailored Au nanorods as either separated or channeled. The uniaxial dielectric tensors suggest a tunable hyperbolic property affected by such a metal-insulator-metal trilayer stack. The complex 3D heterostructures offer additional tuning parameters and design flexibilities in hybrid plasmonic metamaterials toward potential applications in light harvesting, sensing, and nanophotonic devices.
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Affiliation(s)
- Xuejing Wang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Junho Choi
- Department of Physics, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Juncheng Liu
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Oana Malis
- Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, United States
| | - Xiaoqin Li
- Department of Physics, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Peter Bermel
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Xinghang Zhang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
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Wang X, Wang H, Jian J, Rutherford BX, Gao X, Xu X, Zhang X, Wang H. Metal-Free Oxide-Nitride Heterostructure as a Tunable Hyperbolic Metamaterial Platform. NANO LETTERS 2020; 20:6614-6622. [PMID: 32787175 DOI: 10.1021/acs.nanolett.0c02440] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Metal-free plasmonic metamaterials with wide-range tunable optical properties are highly desired for various components in future integrated optical devices. Designing a ceramic-ceramic hybrid metamaterial has been theoretically proposed as a solution to this critical optical material demand. However, the processing of such all-ceramic metamaterials is challenging due to difficulties in integrating two very dissimilar ceramic phases as one hybrid system. In this work, an oxide-nitride hybrid metamaterial combining two highly dissimilar ceramic phases, i.e., semiconducting weak ferromagnetic NiO nanorods and conductive plasmonic TiN matrix, has been successfully integrated as a unique vertically aligned nanocomposite form. Highly anisotropic optical properties such as hyperbolic dispersions and strong magneto-optical coupling have been demonstrated under room temperature. The novel functionalities presented show the strong potentials of this new ceramic-ceramic hybrid thin film platform and its future applications in next-generation nanophotonics and magneto-optical integrated devices without the lossy metallic components.
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Affiliation(s)
- Xuejing Wang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Haohan Wang
- Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Jie Jian
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Bethany X Rutherford
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Xingyao Gao
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Xiaoshan Xu
- Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Xinghang Zhang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States
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Roberts B, Ghosh M, Ku PC. Variable transmission optical filter based on an actuated origami structure. APPLIED OPTICS 2020; 59:2963-2968. [PMID: 32400571 DOI: 10.1364/ao.385443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 02/21/2020] [Indexed: 06/11/2023]
Abstract
A variable transmission thin film for visible light is proposed based on a mechanically actuated origami structure coated with metallic nanoparticles. The transmissivity can be tuned continuously from 0 to >90% for unpolarized incident light. Power is only required for switching and is not necessary to maintain the desired transmittance state. The asymmetric metal nanorods create two distinct plasmon resonances. Controlling the orientation of the nanorods with respect to the direction of the incident light changes the optical transmittance. The switching speed is only limited by the mechanical actuation and not by the optical response of the materials. The applicability of the proposed film for smart glass applications is investigated. Good image transmission clarity with minimal distortion is shown.
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13
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Wang X, Ma X, Shi E, Lu P, Dou L, Zhang X, Wang H. Large-Scale Plasmonic Hybrid Framework with Built-In Nanohole Array as Multifunctional Optical Sensing Platforms. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1906459. [PMID: 32072751 DOI: 10.1002/smll.201906459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 01/19/2020] [Indexed: 06/10/2023]
Abstract
Light coupling with patterned subwavelength hole arrays induces enhanced transmission supported by the strong surface plasmon mode. In this work, a nanostructured plasmonic framework with vertically built-in nanohole arrays at deep-subwavelength scale (6 nm) is demonstrated using a two-step fabrication method. The nanohole arrays are formed first by the growth of a high-quality two-phase (i.e., Au-TiN) vertically aligned nanocomposite template, followed by selective wet-etching of the metal (Au). Such a plasmonic nanohole film owns high epitaxial quality with large surface coverage and the structure can be tailored as either fully etched or half-way etched nanoholes via careful control of the etching process. The chemically inert and plasmonic TiN plays a role in maintaining sharp hole boundary and preventing lattice distortion. Optical properties such as enhanced transmittance and anisotropic dielectric function in the visible regime are demonstrated. Numerical simulation suggests an extended surface plasmon mode and strong field enhancement at the hole edges. Two demonstrations, including the enhanced and modulated photoluminescence by surface coupling with 2D perovskite nanoplates and the refractive index sensing by infiltrating immersion liquids, suggest the great potential of such plasmonic nanohole array for reusable surface plasmon-enhanced sensing applications.
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Affiliation(s)
- Xuejing Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47906, USA
| | - Xuedan Ma
- Center for Nanoscale Materials, Argonne National Laboratory, Argonne, IL, 60439, USA
| | - Enzheng Shi
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Ping Lu
- Sandia National Laboratory, Albuquerque, NM, 87185, USA
| | - Letian Dou
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Xinghang Zhang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47906, USA
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47906, USA
- School of Electrical Engineering, Purdue University, West Lafayette, IN, 47906, USA
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Kalaswad M, Zhang D, Gao X, Contreras LL, Wang H, Wang X, Wang H. Integration of Hybrid Plasmonic Au-BaTiO 3 Metamaterial on Silicon Substrates. ACS APPLIED MATERIALS & INTERFACES 2019; 11:45199-45206. [PMID: 31701734 DOI: 10.1021/acsami.9b15528] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Silicon integration of nanoscale metamaterials is a crucial step toward low-cost and scalable optical-based integrated circuits. Here, a self-assembled epitaxial Au-BaTiO3 (Au-BTO) hybrid metamaterial with highly anisotropic optical properties has been integrated on Si substrates. A thin buffer layer stack (<20 nm) of TiN and SrTiO3 (STO) was applied on Si substrates to ensure the epitaxial growth of the Au-BTO hybrid films. Detailed phase composition and microstructural analyses show excellent crystallinity and epitaxial quality of the Au-BTO films. By varying the film growth conditions, the density and dimension of the Au nanopillars can be tuned effectively, leading to highly tailorable optical properties including tunable localized surface plasmon resonance (LSPR) peak and hyperbolic dispersion shift in the visible and near-infrared regimes. The work highlights the feasibility of integrating epitaxial hybrid oxide-metal plasmonic metamaterials on Si toward future complex Si-based integrated photonics.
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15
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Das A, Maiti N, Dhayagude AC, Pathak AK, Chadha R, Neogy S, Kapoor S. A study of light induced surface reactions of sildenafil citrate on hybrid AgCl/Ag nanoparticle dimers by surface enhanced Raman scattering and pulse radiolysis techniques. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123864] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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