1
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Matsuda R, Yao H. UV-resonant magnetoplasmonic properties of chemically synthesized indium nanoparticles. Phys Chem Chem Phys 2024; 26:8850-8857. [PMID: 38426272 DOI: 10.1039/d4cp00095a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
In this article, we for the first time demonstrate magnetoplasmonic properties of metallic indium (In0) nanoparticles, one of the promising non-noble metals for UV plasmonics, by using magnetic circular dichroism (MCD) spectroscopy. In0 nanoparticles are synthesized by a kinetically controlled reduction of indium salts, followed by performing centrifugation-based size selection, giving nanoparticles of 37.5 ± 9.7 or 51.6 ± 8.4 nm in diameter. These In0 nanoparticles exhibit a single extinction peak in the UV region (<300 nm), which can be attributed to localised surface plasmon resonance (LSPR), and upon increasing the particle size, the peak is red-shifted and broadened. The MCD signatures are then typical for circular magnetoplasmonic modes of metal nanospheres, and on the basis of the MCD responses, the effective mass of an electron (m*) of indium is estimated. Interestingly, although the large-sized In0 nanoparticles (51.6 nm) have a broader LSPR linewidth, the magneto-optical (MO) activity is larger than that of the smaller one (37.5 nm), which is unlike the behaviour of Ag nanospheres with high-quality-factor plasmonic performance. This can probably be due not only to the formation of stiff semiconducting (In(OH)3) shell layers on the In0 cores (= In0@In(OH)3 core-shell morphology) but also to the effect of the dielectric function of In0 that can influence the light-helicity-dependent field-induced cyclotron shift.
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Affiliation(s)
- Ririka Matsuda
- Division of Chemistry for Materials, Graduate School of Engineering, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan.
| | - Hiroshi Yao
- Division of Chemistry for Materials, Graduate School of Engineering, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan.
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2
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Kazuma E. Key Factors for Controlling Plasmon-Induced Chemical Reactions on Metal Surfaces. J Phys Chem Lett 2024; 15:59-67. [PMID: 38131658 DOI: 10.1021/acs.jpclett.3c03120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Plasmon-induced chemical reactions based on direct interactions between the plasmons of metal nanostructures and molecules have attracted increasing attention as a means of efficiently utilizing sunlight. In recent years, achievements in complex synthetic reactions as well as simple dissociation reactions of gaseous molecules using plasmons have been reported. However, recent research progress has revealed that multiple factors govern plasmon-induced chemical reactions. This perspective provides an overview of the key factors that influence plasmon-induced chemical reactions on metal surfaces and discusses the difficulty of controlling the reactions, which is caused by the entanglement of the key factors. A strategy for designing plasmonic metal catalysts to achieve the desired reactions is also discussed based on the current understanding, and directions for further research are provided.
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Affiliation(s)
- Emiko Kazuma
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
- Surface and Interface Science Laboratory, RIKEN, Wako, Saitama 351-0198, Japan
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3
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Roy P, Zhu S, Claude JB, Liu J, Wenger J. Ultraviolet Resonant Nanogap Antennas with Rhodium Nanocube Dimers for Enhancing Protein Intrinsic Autofluorescence. ACS NANO 2023; 17:22418-22429. [PMID: 37931219 PMCID: PMC10690780 DOI: 10.1021/acsnano.3c05008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 09/07/2023] [Indexed: 11/08/2023]
Abstract
Plasmonic optical nanoantennas offer compelling solutions for enhancing light-matter interactions at the nanoscale. However, until now, their focus has been mainly limited to the visible and near-infrared regions, overlooking the immense potential of the ultraviolet (UV) range, where molecules exhibit their strongest absorption. Here, we present the realization of UV resonant nanogap antennas constructed from paired rhodium nanocubes. Rhodium emerges as a robust alternative to aluminum, offering enhanced stability in wet environments and ensuring reliable performance in the UV range. Our results showcase the nanoantenna's ability to enhance the UV autofluorescence of label-free streptavidin and hemoglobin proteins. We achieve significant enhancements of the autofluorescence brightness per protein by up to 120-fold and reach zeptoliter detection volumes, enabling UV autofluorescence correlation spectroscopy (UV-FCS) at high concentrations of several tens of micromolar. We investigate the modulation of fluorescence photokinetic rates and report excellent agreement between the experimental results and numerical simulations. This work expands the applicability of plasmonic nanoantennas to the deep UV range, unlocking the investigation of label-free proteins at physiological concentrations.
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Affiliation(s)
- Prithu Roy
- Aix
Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, AMUTech, 13013 Marseille, France
| | - Siyuan Zhu
- Department
of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Jean-Benoît Claude
- Aix
Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, AMUTech, 13013 Marseille, France
| | - Jie Liu
- Department
of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Jérôme Wenger
- Aix
Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, AMUTech, 13013 Marseille, France
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4
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Kim YM, Hong Y, Hur K, Kim MS, Sung YM. Surface Rh-Boosted Photoelectrochemical Water Oxidation of α-Fe 2O 3 by Reduced Overpotential in the Rate-Determining Step. ACS APPLIED MATERIALS & INTERFACES 2023; 15:37290-37299. [PMID: 37489940 DOI: 10.1021/acsami.3c04458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
The photoelectrochemical behavior of Rh cluster-deposited hematite (α-Fe2O3) photoanodes (α-Fe2O3@Rh) was investigated. The interactions between Rh clusters and α-Fe2O3 nanorods were elucidated both experimentally and computationally. A facile UV-assisted solution casting deposition method allowed the deposition of 2 nm Rh clusters on α-Fe2O3. The deposited Rh clusters effectively enhanced the photoelectrochemical performance of the α-Fe2O3 photoanode, and electrochemical impedance spectroscopy (EIS) and Mott-Schottky analysis were applied to understand the working mechanism for the α-Fe2O3@Rh photoanodes. The results revealed a distinctive carrier transport mechanism for α-Fe2O3@Rh and increased carrier density, while the absorbance spectra remained unchanged. Furthermore, density functional theory (DFT) calculations of the oxygen evolution reaction (OER) mechanism corresponded well with the experimental results, indicating a reduced overpotential of the rate-determining step. In addition, DFT calculation models based on the X-ray diffraction (XRD) measurements and X-ray photoelectron spectroscopy (XPS) results provided precise water-splitting mechanisms for the fabricated α-Fe2O3 and α-Fe2O3@Rh nanorods. Owing to enhanced carrier generation and hole transfer, the optimum α-Fe2O3@Rh3 sample showed 78% increased photocurrent density, reaching 1.12 mA/cm-2 at 1.23 VRHE compared to that of the pristine α-Fe2O3 nanorods electrode.
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Affiliation(s)
- Young-Min Kim
- Department of Materials Science & Engineering, Korea University, Anam-ro 145, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Yerin Hong
- Extreme Materials Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Kahyun Hur
- Extreme Materials Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Min-Seok Kim
- Extreme Materials Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Yun-Mo Sung
- Department of Materials Science & Engineering, Korea University, Anam-ro 145, Seongbuk-gu, Seoul 02841, Republic of Korea
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5
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Demishkevich E, Zyubin A, Seteikin A, Samusev I, Park I, Hwangbo CK, Choi EH, Lee GJ. Synthesis Methods and Optical Sensing Applications of Plasmonic Metal Nanoparticles Made from Rhodium, Platinum, Gold, or Silver. MATERIALS (BASEL, SWITZERLAND) 2023; 16:3342. [PMID: 37176223 PMCID: PMC10180225 DOI: 10.3390/ma16093342] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/15/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023]
Abstract
The purpose of this paper is to provide an in-depth review of plasmonic metal nanoparticles made from rhodium, platinum, gold, or silver. We describe fundamental concepts, synthesis methods, and optical sensing applications of these nanoparticles. Plasmonic metal nanoparticles have received a lot of interest due to various applications, such as optical sensors, single-molecule detection, single-cell detection, pathogen detection, environmental contaminant monitoring, cancer diagnostics, biomedicine, and food and health safety monitoring. They provide a promising platform for highly sensitive detection of various analytes. Due to strongly localized optical fields in the hot-spot region near metal nanoparticles, they have the potential for plasmon-enhanced optical sensing applications, including metal-enhanced fluorescence (MEF), surface-enhanced Raman scattering (SERS), and biomedical imaging. We explain the plasmonic enhancement through electromagnetic theory and confirm it with finite-difference time-domain numerical simulations. Moreover, we examine how the localized surface plasmon resonance effects of gold and silver nanoparticles have been utilized for the detection and biosensing of various analytes. Specifically, we discuss the syntheses and applications of rhodium and platinum nanoparticles for the UV plasmonics such as UV-MEF and UV-SERS. Finally, we provide an overview of chemical, physical, and green methods for synthesizing these nanoparticles. We hope that this paper will promote further interest in the optical sensing applications of plasmonic metal nanoparticles in the UV and visible ranges.
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Affiliation(s)
- Elizaveta Demishkevich
- Research and Educational Center, Fundamental and Applied Photonics, Nanophotonics, Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Russia
| | - Andrey Zyubin
- Research and Educational Center, Fundamental and Applied Photonics, Nanophotonics, Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Russia
| | - Alexey Seteikin
- Research and Educational Center, Fundamental and Applied Photonics, Nanophotonics, Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Russia
- Department of Physics, Amur State University, 675021 Blagoveshchensk, Russia
| | - Ilia Samusev
- Research and Educational Center, Fundamental and Applied Photonics, Nanophotonics, Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Russia
| | - Inkyu Park
- Department of Physics, University of Seoul, Seoul 02504, Republic of Korea
| | - Chang Kwon Hwangbo
- Department of Physics, Inha University, Incheon 22212, Republic of Korea
| | - Eun Ha Choi
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Geon Joon Lee
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Republic of Korea
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6
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Madeleine T, D'Alessandro G, Kaczmarek M. Spectral properties of intermediate to high refractive index nanocubes. OPTICS EXPRESS 2023; 31:11395-11407. [PMID: 37155775 DOI: 10.1364/oe.485872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Plasmonic resonances in sub-wavelength cavities, created by metallic nanocubes separated from a metallic surface by a dielectric gap, lead to strong light confinement and strong Purcell effect, with many applications in spectroscopy, enhanced light emission and optomechanics. However, the limited choice of metals, and the constraints on the sizes of the nanocubes, restrict the optical wavelength range of applications. We show that dielectric nanocubes made of intermediate to high refractive index materials exhibit similar but significantly blue shifted and enriched optical responses due to the interaction between gap plasmonic modes and internal modes. This result is explained, and the efficiency of dielectric nanocubes for light absorption and spontaneous emission is quantified by comparing the optical response and induced fluorescence enhancement of nanocubes made of barium titanate, tungsten trioxide, gallium phosphide, silicon, silver and rhodium.
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7
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Enhancing the photocatalytic regeneration of nicotinamide cofactors with surface engineered plasmonic antenna-reactor system. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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8
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Xu H, Xu J, Jiang M, Liu M, Tang K, Kan C, Shi D. Exciton-polariton light-emitting diode based on a single ZnO superlattice microwire heterojunction with performance enhanced by Rh nanostructures. Phys Chem Chem Phys 2023; 25:5836-5848. [PMID: 36745472 DOI: 10.1039/d2cp05446a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
One-dimensional (1D) wirelike superlattice micro/nanostructures have received considerable attention for potential applications due to their versatility and capability for modulating optical and electrical characteristics. In this study, 1D superlattice microwires (MWs), which are made of undoped ZnO and Ga-doped ZnO with periodic and alternating crystalline layers (ZnO/ZnO:Ga), were synthesized individually. Under optical excitation, a series of resonance peaks in the photoluminescence spectrum can be ascribed to polariton emission, which originates from the coupling interaction of the 1D photonic crystal and confined excitons along the wire direction. Using a p-type GaN layer as the hole transport layer, a kind of waveguide light source based on an individual ZnO/ZnO:Ga superlattice MW was proposed and constructed. By analysing the spatially resolved electroluminescence spectra, the observed multipeak was ascribed to exciton-polariton emission with a vacuum Rabi splitting of about 275 meV. Cladding with Rh nanostructures gives rise to appropriate ultraviolet plasmons, and the Rabi splitting energy of our device was enhanced up to 413 meV. The exciton-polariton properties were further examined using angle-resolved electroluminescence measurements. Therefore, individual superlattice MWs can act as optical microresonators to achieve photon-exciton coupling with a large Rabi splitting energy. The experimental results indicate that an individual ZnO/ZnO:Ga superlattice MW can be generally used in developing exciton-polariton luminescence/lasing light sources, particularly for constructing low-threshold/thresholdless lasers toward pragmatic applications.
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Affiliation(s)
- Haiying Xu
- College of Physics, MIIT Key Laboratory of Aerospace Information Materials and Physics, Key Laboratory for Intelligent Nano Materials and Devices, Nanjing University of Aeronautics and Astronautics, No. 29 Jiangjun Road, Nanjing 211106, China. .,College of Mathematics and Physics, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Juan Xu
- College of Physics, MIIT Key Laboratory of Aerospace Information Materials and Physics, Key Laboratory for Intelligent Nano Materials and Devices, Nanjing University of Aeronautics and Astronautics, No. 29 Jiangjun Road, Nanjing 211106, China.
| | - Mingming Jiang
- College of Physics, MIIT Key Laboratory of Aerospace Information Materials and Physics, Key Laboratory for Intelligent Nano Materials and Devices, Nanjing University of Aeronautics and Astronautics, No. 29 Jiangjun Road, Nanjing 211106, China.
| | - Maosheng Liu
- College of Physics, MIIT Key Laboratory of Aerospace Information Materials and Physics, Key Laboratory for Intelligent Nano Materials and Devices, Nanjing University of Aeronautics and Astronautics, No. 29 Jiangjun Road, Nanjing 211106, China.
| | - Kai Tang
- College of Physics, MIIT Key Laboratory of Aerospace Information Materials and Physics, Key Laboratory for Intelligent Nano Materials and Devices, Nanjing University of Aeronautics and Astronautics, No. 29 Jiangjun Road, Nanjing 211106, China.
| | - Caixia Kan
- College of Physics, MIIT Key Laboratory of Aerospace Information Materials and Physics, Key Laboratory for Intelligent Nano Materials and Devices, Nanjing University of Aeronautics and Astronautics, No. 29 Jiangjun Road, Nanjing 211106, China.
| | - Daning Shi
- College of Physics, MIIT Key Laboratory of Aerospace Information Materials and Physics, Key Laboratory for Intelligent Nano Materials and Devices, Nanjing University of Aeronautics and Astronautics, No. 29 Jiangjun Road, Nanjing 211106, China.
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9
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Kang S, Yim G, Chae SY, Kim S, Gil YG, Kim YK, Min DH, Jang H. Rhodium-Tellurium Nanorod Synthesis Using Galvanic Replacement-Polyol Regrowth for Thermo-Dynamic Dual-Modal Cancer Phototherapy. ACS APPLIED MATERIALS & INTERFACES 2022; 14:40513-40521. [PMID: 36049895 DOI: 10.1021/acsami.2c07281] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Rh is a noble metal introduced in bioapplications, including diagnosis and therapy, in addition to its consolidated utilization in organic catalysis and electrocatalysis. Herein, we designed the synthesis of highly crystalline Rh nanocrystal-decorated Rh-Te nanorods (RhTeNRs) through galvanic replacement of sacrificial Te nanorod (TeNR) templates and subsequent polyol regrowth. The obtained RhTeNRs showed excellent colloidal stability and efficient heat dissipation and photocatalytic activity under various laser irradiation wavelengths. Based on the confirmed biocompatibility, RhTeNRs were introduced into in vitro and in vivo cancer phototherapies. The results confirmed the selective physical death of cancer cells in the local area through laser irradiation. While chemotherapy does not guarantee successful treatment due to side effects and resistance, phototherapy using heat and reactive oxygen species generation of RhTeNRs induces physical death.
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Affiliation(s)
- Seounghun Kang
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Gyeonghye Yim
- Department of Chemistry, Kwangwoon University, 20 Gwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Se-Youl Chae
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Subean Kim
- Department of Chemistry, Kwangwoon University, 20 Gwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Yeong-Gyu Gil
- Department of Chemistry, Kwangwoon University, 20 Gwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
| | - Young-Kwan Kim
- Department of Chemistry, Dongguk University, 30 Pildong-ro 1-gil, Jung-gu, Seoul 04620, Republic of Korea
| | - Dal-Hee Min
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
- Institute of Biotherapeutics Convergence Technology, Lemonex Inc., Seoul 08826, Republic of Korea
| | - Hongje Jang
- Department of Chemistry, Kwangwoon University, 20 Gwangwoon-ro, Nowon-gu, Seoul 01897, Republic of Korea
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10
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Liu R, Ren Y, Wang Y, Zhang C, Wang J, Zhang Y, Wang Y, Yun K, Zhao G. Fabrication of TiO2: Nb array films and their enhanced electrochromic performance. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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11
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In-Situ Monitoring the SERS Spectra of para-Aminothiophenol Adsorbed on Plasmon-Tunable Au@Ag Core–Shell Nanostars. NANOMATERIALS 2022; 12:nano12071156. [PMID: 35407274 PMCID: PMC9000786 DOI: 10.3390/nano12071156] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/26/2022] [Accepted: 03/28/2022] [Indexed: 02/04/2023]
Abstract
Plasmon-induced photocatalysis on noble metal surfaces has attracted broad attention due to its application in sunlight energy conversion, while the selectivity of plasmonic platforms remains unclear. Herein, we present the controlled plasmon-mediated oxidation of para-aminothiophenol (p-ATP) by employing Au@Ag core–shell nanostars with tunable tip plasmons in visible–near-infrared range as reactors. In-situ Raman measurements indicate that Au@Ag core–shell nanostars essentially promote the conversion of p-ATP to 4,4′-dimercaptoazobenzene (DMAB) due to hot carriers excited by localized surface plasmon resonance. Au@Ag nanostars with plasmon modes under resonant light excitation suggested higher catalytic efficiency, as evidenced by the larger intensity ratios between 1440 cm−1 (N=N stretching of DMAB) and 1080 cm−1 shifts (C–S stretching of p-ATP). Importantly, the time-dependent surface-enhanced Raman scattering spectra showed that the conversion efficiency of p-ATP was mainly dictated by the resonance condition between the tip plasmon mode of Au@Ag core–shell nanostars and the excitation light, as well as the choice of excitation wavelength. These results show that plasmon bands of metal nanostructures play an important role in the efficiency of plasmon-driven photocatalysis.
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12
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Yang K, Yao X, Liu B, Ren B. Metallic Plasmonic Array Structures: Principles, Fabrications, Properties, and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007988. [PMID: 34048123 DOI: 10.1002/adma.202007988] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 02/22/2021] [Indexed: 05/18/2023]
Abstract
The vast development of nanofabrication has spurred recent progress for the manipulation of light down to a region much smaller than the wavelength. Metallic plasmonic array structures are demonstrated to be the most powerful platform to realize controllable light-matter interactions and have found wide applications due to their rich and tunable optical performance through the morphology and parameter engineering. Here, various light-management mechanisms that may exist on metallic plasmonic array structures are described. Then, the typical techniques for fabrication of metallic plasmonic arrays are summarized. Next, some recent applications of plasmonic arrays are reviewed, including plasmonic sensing, surface-enhanced spectroscopies, plasmonic nanolasing, and perfect light absorption. Lastly, the existing challenges and perspectives for metallic plasmonic arrays are discussed. The aim is to provide guidance for future development of metallic plasmonic array structures.
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Affiliation(s)
- Kang Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Xu Yao
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Bowen Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Bin Ren
- State Key Laboratory of Physical Chemistry of Solid Surfaces, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen, 361005, China
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13
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Optical and magneto-optical properties of rhodium nanostructures with different morphologies: Insight into the absorption bump in the UV region. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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14
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Ma K, Li B, Zhou X, Jiang M, Liu Y, Kan C. Plasmon-enabled spectrally narrow ultraviolet luminescence device using Pt nanoparticles covered one microwire-based heterojunction. OPTICS EXPRESS 2021; 29:21783-21794. [PMID: 34265958 DOI: 10.1364/oe.431124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 06/15/2021] [Indexed: 06/13/2023]
Abstract
Owing to great luminescent monochromaticity, high stability, and independent of automatic color filter, low dimensional ultraviolet light-emitting diodes (LEDs) via the hyperpure narrow band have attracted considerable interest for fabricating miniatured display equipments, solid state lighting sources, and other ultraviolet photoelectrical devices. In this study, a near-ultraviolet LED composed of one Ga-doped ZnO microwire (ZnO:Ga MW) and p-GaN layer was fabricated. The diode can exhibit bright electroluminescence (EL) peaking at 400.0 nm, with a line width of approximately 35 nm. Interestingly, by introducing platinum nanoparticles (PtNPs), we achieved an ultraviolet plasmonic response; an improved EL, including significantly enhanced light output; an observed blueshift of main EL peaks of 377.0 nm; and a reduction of line width narrowing to 10 nm. Working as a powerful scalpel, the decoration of PtNPs can be employed to tailor the spectral line profiles of the ultraviolet EL performances. Also, a rational physical model was built up, which could help us study the carrier transportation, recombination of electrons and holes, and dynamic procedure of luminescence. This method offers a simple and feasible way, without complicated fabricating technology such as an added insulating layer or core shell structure, to realize hyperpure ultraviolet LED. Therefore, the proposed engineering of energy band alignment by introducing PtNPs can be employed to build up high performance, high spectral purity luminescent devices in the short wavelengths.
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15
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Koya A, Zhu X, Ohannesian N, Yanik AA, Alabastri A, Proietti Zaccaria R, Krahne R, Shih WC, Garoli D. Nanoporous Metals: From Plasmonic Properties to Applications in Enhanced Spectroscopy and Photocatalysis. ACS NANO 2021; 15:6038-6060. [PMID: 33797880 PMCID: PMC8155319 DOI: 10.1021/acsnano.0c10945] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 03/29/2021] [Indexed: 05/04/2023]
Abstract
The field of plasmonics is capable of enabling interesting applications in different wavelength ranges, spanning from the ultraviolet up to the infrared. The choice of plasmonic material and how the material is nanostructured has significant implications for ultimate performance of any plasmonic device. Artificially designed nanoporous metals (NPMs) have interesting material properties including large specific surface area, distinctive optical properties, high electrical conductivity, and reduced stiffness, implying their potentials for many applications. This paper reviews the wide range of available nanoporous metals (such as Au, Ag, Cu, Al, Mg, and Pt), mainly focusing on their properties as plasmonic materials. While extensive reports on the use and characterization of NPMs exist, a detailed discussion on their connection with surface plasmons and enhanced spectroscopies as well as photocatalysis is missing. Here, we report on different metals investigated, from the most used nanoporous gold to mixed metal compounds, and discuss each of these plasmonic materials' suitability for a range of structural design and applications. Finally, we discuss the potentials and limitations of the traditional and alternative plasmonic materials for applications in enhanced spectroscopy and photocatalysis.
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Affiliation(s)
| | - Xiangchao Zhu
- Department
of Electrical and Computer Engineering, University of California, Santa
Cruz, California 95064, United States
| | - Nareg Ohannesian
- Department
of Electrical and Computer Engineering, University of Houston, Houston Texas 77204, United States
| | - A. Ali Yanik
- Department
of Electrical and Computer Engineering, University of California, Santa
Cruz, California 95064, United States
| | - Alessandro Alabastri
- Department
of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, United States
| | - Remo Proietti Zaccaria
- Istituto
Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy
- Cixi
Institute of Biomedical Engineering, Ningbo Institute of Materials
Technology and Engineering, Chinese Academy
of Sciences, Zhejiang 315201, China
| | - Roman Krahne
- Istituto
Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy
| | - Wei-Chuan Shih
- Department
of Electrical and Computer Engineering, University of California, Santa
Cruz, California 95064, United States
| | - Denis Garoli
- Istituto
Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy
- Faculty of
Science and Technology, Free University
of Bozen, Piazza Università
5, 39100 Bolzano, Italy
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16
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Ma K, Zhou X, Kan C, Xu J, Jiang M. Pt nanoparticles utilized as efficient ultraviolet plasmons for enhancing whispering gallery mode lasing of a ZnO microwire via Ga-incorporation. Phys Chem Chem Phys 2021; 23:6438-6447. [PMID: 33711087 DOI: 10.1039/d1cp00131k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introducing nanostructured metals with ultraviolet plasmonic characters has attracted much attention for fabricating high performance optoelectronic devices in the shorter wavelength spectrum. In this work, platinum nanoparticles (PtNPs) with controlled plasmonic responses in ultraviolet wavelengths were successfully synthesized. To demonstrate the promising availability, PtNPs with desired sizes were deposited on a hexagonal ZnO microwire via Ga-doping (PtNPs@ZnO:Ga MW). Under ultraviolet illumination, typical near-band-edge emission of ZnO:Ga MW was considerably enhanced; meanwhile, the photocurrent is much larger than that of the bare MW. Thereby, the enhanced phenomena of a ZnO:Ga MW is related to localized surface plasmon resonances of the decorated PtNPs. A single MW with a hexagonal cross-section can be a potential platform to construct a whispering gallery mode (WGM) cavity due to its total inner wall reflection. Given this, the influence of PtNPs via ultraviolet plasmons on lasing features of the ZnO:Ga MW was tested. The lasing characteristics are significantly enhanced, including lasing output enhancement, a clear reduction of the threshold and the improvement of the quality factor. To exploit the working principle, PtNPs serving as powerful ultraviolet plasmons can couple with ZnO:Ga excitons, accelerating radiative recombination. Since fabricating stable, typical nanostructured metals with ultraviolet plasmons remains a challenging issue, the results illustrated in the work may offer a low-cost and efficient scheme for achieving plasmon-enhanced wide-bandgap semiconductor based ultraviolet optoelectronic devices with excellent performances.
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Affiliation(s)
- Kunjie Ma
- College of Science, MIIT Key Laboratory of Aerospace Information Materials and Physics, Key Laboratory for Intelligent Nano Materials and Devices, Nanjing University of Aeronautics and Astronautics, No. 29 Jiangjun Road, Nanjing 211106, China.
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17
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Miao C, Xu H, Jiang M, Liu Y, Wan P, Kan C. High performance lasing in a single ZnO microwire using Rh nanocubes. OPTICS EXPRESS 2020; 28:20920-20929. [PMID: 32680142 DOI: 10.1364/oe.395746] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/22/2020] [Indexed: 06/11/2023]
Abstract
High-purity and size-controlled Rh nanocubes (RhNCs) with plasmonic responses in the ultraviolet spectrum range were synthesized; the ultraviolet plasmonic features of RhNCs have potential applications in wide bandgap semiconductors and optoelectronic devices because of their optical tunability and stability, as well as the compatibility with neighboring semiconductor micro/nanostructures. In this work, by incorporating RhNCs, the near-band-edge emission of a single ZnO microwire is considerably enhanced. When optically pumped by a fs pulsed laser at room temperature, RhNCs-plasmon enhanced high-performance whispering gallery mode (WGM) lasing characteristics, including lower lasing threshold, higher Q-factor, and lasing output enhancement, can be achieved from a single ZnO microwire covered by RhNCs. To further probe the modulation effect of RhNCs plasmons on the lasing characteristics of the ZnO microwires, time-resolved photoluminescence (TRPL) and electromagnetic simulation analyses were also performed. Based on our results, it can be concluded that size-controlled RhNCs with ultraviolet energy-tunable plasmons have the potential for use in optoelectronic devices requiring stable and high-performance in the short wavelength spectrum band owing to their unique ultraviolet plasmonic features.
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18
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Garoli D, Schirato A, Giovannini G, Cattarin S, Ponzellini P, Calandrini E, Proietti Zaccaria R, D’Amico F, Pachetti M, Yang W, Jin HJ, Krahne R, Alabastri A. Galvanic Replacement Reaction as a Route to Prepare Nanoporous Aluminum for UV Plasmonics. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E102. [PMID: 31947927 PMCID: PMC7023067 DOI: 10.3390/nano10010102] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 12/22/2019] [Accepted: 12/31/2019] [Indexed: 01/09/2023]
Abstract
There is a growing interest in extending plasmonics applications into the ultraviolet region of the electromagnetic spectrum. Noble metals are commonly used in plasmonic, but their intrinsic optical properties limit their use above 350 nm. Aluminum is probably the most suitable material for UV plasmonics, and in this work we fabricated substrates of nanoporous aluminum starting from an alloy of Al2Mg3. The porous metal is obtained by means of a galvanic replacement reaction. Such nanoporous metal can be exploited to achieve a plasmonic material suitable for enhanced UV Raman spectroscopy and fluorescence. Thanks to the large surface to volume ratio, this material represents a powerful platform for promoting interaction between plasmonic substrates and molecules in the UV.
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Affiliation(s)
- Denis Garoli
- Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy (P.P.); (E.C.); (R.P.Z.); (R.K.)
| | - Andrea Schirato
- Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy (P.P.); (E.C.); (R.P.Z.); (R.K.)
- Deparment of Physics, Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milan, Italy
| | | | | | - Paolo Ponzellini
- Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy (P.P.); (E.C.); (R.P.Z.); (R.K.)
| | - Eugenio Calandrini
- Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy (P.P.); (E.C.); (R.P.Z.); (R.K.)
| | - Remo Proietti Zaccaria
- Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy (P.P.); (E.C.); (R.P.Z.); (R.K.)
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, 1219 Zhongguan West Road, Ningbo 315201, China
| | - Francesco D’Amico
- Elettra Sincrotrone Trieste S.C.p.A., S.S. 14 km 163,5 in Area Science Park, 34149 Basovizza TS, Italy; (F.D.); (M.P.)
| | - Maria Pachetti
- Elettra Sincrotrone Trieste S.C.p.A., S.S. 14 km 163,5 in Area Science Park, 34149 Basovizza TS, Italy; (F.D.); (M.P.)
- Department of Physics, University of Trieste, Via Alfonso Valerio 2, 34127 Trieste, Italy
| | - Wei Yang
- Shenyang National Laboraory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China; (W.Y.); (H.-J.J.)
| | - Hai-Jun Jin
- Shenyang National Laboraory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China; (W.Y.); (H.-J.J.)
| | - Roman Krahne
- Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy (P.P.); (E.C.); (R.P.Z.); (R.K.)
| | - Alessandro Alabastri
- Department of Electrical and Computer Engineering, Rice University, 6100 Main Street MS-378, Houston, TX 77005, USA;
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19
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Miao C, Xu H, Jiang M, Ji J, Kan C. Employing rhodium tripod stars for ultraviolet plasmon enhanced Fabry–Perot mode lasing. CrystEngComm 2020. [DOI: 10.1039/d0ce00890g] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Rhodium tripod stars serving as ultraviolet plasmons can provide a highly competitive platform to achieve high-performance Fabry–Perot lasing of quadrilateral ZnO microwires.
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Affiliation(s)
- Changzong Miao
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 211106
- China
- Key Laboratory for Intelligent Nano Materials and Devices
| | - Haiying Xu
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 211106
- China
- Department of Mathematics and Physics
| | - Mingming Jiang
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 211106
- China
- Key Laboratory for Intelligent Nano Materials and Devices
| | - Jiaolong Ji
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 211106
- China
| | - Caixia Kan
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 211106
- China
- Key Laboratory for Intelligent Nano Materials and Devices
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20
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Albuquerque BL, Chacón G, Nazarkovsky M, Dupont J. Rhodium nanoparticles impregnated on TiO 2: strong morphological effects on hydrogen production. NEW J CHEM 2020. [DOI: 10.1039/d0nj02419h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Rhodium nanoparticles with different morphology were synthesized to assess the influence of the exposed facet towards hydrogen production in aqueous methanolic solution.
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Affiliation(s)
- Brunno L. Albuquerque
- LAMOCA – Laboratory of Molecular Catalysis
- Institute of Chemistry – Universidade Federal do Rio Grande do Sul
- 9500 Porto Alegre
- Brazil
| | - Gustavo Chacón
- LAMOCA – Laboratory of Molecular Catalysis
- Institute of Chemistry – Universidade Federal do Rio Grande do Sul
- 9500 Porto Alegre
- Brazil
| | | | - Jairton Dupont
- LAMOCA – Laboratory of Molecular Catalysis
- Institute of Chemistry – Universidade Federal do Rio Grande do Sul
- 9500 Porto Alegre
- Brazil
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21
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Facile Green Preparation of Rhodium Nanoclusters Supported Nano-Scaled Graphene Platelets for Sonogashira Coupling Reaction and Reduction of p-Nitrophenol. Catalysts 2019. [DOI: 10.3390/catal9110908] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Rhodium nanoclusters were uniformly dispersed on nano-scaled graphene platelets by a simple ‘mix and heat’ method without using any toxic reagents. Distilled water was used to obtain the homogenous dispersion of Rh-nanoclusters on graphene platelets. The morphology of the resultant catalyst (Rh(0)NCs/GNPs) was studied by means of transmission electron microscope (TEM) and atomic force microscope (AFM) analyses. The X-ray photoemission spectroscope (XPS) result confirmed the metallic form of Rh-nanoclusters in Rh(0)NCs/GNPs. The crystalline property and the interaction between Rh-nanoclusters and graphene platelets (GNPs) were studied by means of XRD and Raman analysis. The Rh-loading in Rh(0)NCs/GNPs was confirmed by scanning electron microscope and energy dispersive spectroscope (SEM-EDS) and inductively coupled plasma-mass spectroscope (ICP-MS) analysis. After being optimized, the Rh(0)NCs/GNPs used as catalyst for the reduction of 4-nitrophenol with NaBH4 and the Sonogashira coupling reaction between iodobenzene with phenylacetylene. To our delight, the Rh(0)NCs/GNPs showed excellent catalytic activity towards the reduction of 4-nitrophenol with an excellent turnover frequency (TOF) value of 112.5 min−1. The kapp and k’ values were calculated to be 62.07 × 10−3 min−1(0.002 mg of Rh(0)NCs/GNPs) and 31035 × 10−3 mg−1 min−1,respectively. Alike, under the optimal conditions, the Rh(0)NCs/GNPs gave the desired product, diphenylacetylene, in a good yield of 87% with 91% selectivity. The Rh(0)NCs/GNPs can be reused without significant loss in its catalytic activity.
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22
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The UV Plasmonic Behavior of Rhodium Tetrahedrons—A Numerical Analysis. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9193947] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Rhodium (Rh) nanoparticles have attracted a lot of attention due to their strong and ambient-stable UV plasmonic response. Very recently, the synthesis of Rh tetrahedra with and without concave defect-rich surfaces serving in plasmon assisted photocatalytic energy conversion has been reported. In this work, we perform a systematic numerical study on plasmonic behavior and surface charge distribution in order to optimize the use of Rh tetrahedra in surface-enhanced spectroscopies and photocatalysis. We analyze the effect of the edges and corners reshaping, a deformation already reported to appear in Rh nanocubes which have been repeatedly re-used in photocatalytic processes. It is demonstrated that rounding the edges and corners weakens both the near-field enhancement and surface charge densities in these locations, which in turn are the more reactive regions due to the presence of uncoordinated sites. In addition, we study how the near-field and charge density is redistributed on the surface of the tetrahedra when concavities of different sizes and depths are introduced. Through this study, we show that, in order to simultaneously maximize the near-field enhancement and surface charge densities in the concavity and at external edges and corners, medium size deep concavities are needed.
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23
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Xu L, Liu D, Chen D, Liu H, Yang J. Size and shape controlled synthesis of rhodium nanoparticles. Heliyon 2019; 5:e01165. [PMID: 30723833 PMCID: PMC6351436 DOI: 10.1016/j.heliyon.2019.e01165] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 01/21/2019] [Accepted: 01/21/2019] [Indexed: 11/27/2022] Open
Abstract
Controlling of the size and/or shape of noble metal nanoparticles (NMNPs) is crucial to make use of their unique properties and to optimize their performance for a given application. Within the past decades, the development of wet-chemistry methods enables fine tailoring of the size and morphology of NMNPs. We herein devote this review to introduce the wet-chemistry-based methods for the size and shape-controlled synthesis of rhodium (Rh) NPs. We start with a summarization of the wet-chemistry-based approaches developed for producing Rh NPs and then focus on recent fascinating advances in their size- and shape-control in the aspects of kinetic and thermodynamic regimes depending on the synthetic conditions. Then, we use several typical examples to showcase the applications of Rh NPs with tunable sizes and shapes. Finally, we make some perspectives for the further research trends and development of Rh NPs. We hope through this reviewing effort, one can easily understand the technical bases for effectively designing and producing Rh NPs with desired properties.
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Affiliation(s)
- Linlin Xu
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Danye Liu
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Dong Chen
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Hui Liu
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Jun Yang
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- Zhongke Langfang Institute of Process Engineering, Fenghua Road No 1, Langfang Economic & Technical Development Zone, Hebei Province 065001, China
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24
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Das R, Soni RK. Rhodium nanocubes and nanotripods for highly sensitive ultraviolet surface-enhanced Raman spectroscopy. Analyst 2018; 143:2310-2322. [PMID: 29687108 DOI: 10.1039/c8an00341f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We report the shape- and wavelength-dependent ultrasensitive label-free detection of adenine on rhodium cube- and tripod-star-like nanoparticles (Rh NPs) using ultraviolet surface-enhanced Raman scattering (UV-SERS). Rh NPs immobilized on a silane-treated glass substrate probed at near-resonant and non-resonant wavelengths served as the SERS platform for the highly reproducible, stable, and real-time detection of adsorbed adenine molecules in the femtomolar region. The sensitivity of SERS-active Rh NPs displaying LSPR in the UV region was exploited for the 266 nm (DUV), 325 nm (UV) and 532 nm (visible) Raman excitation wavelengths. With the 266 nm and 325 nm DUV-UV excitation lines, for the Rh tripod geometry near or pre-resonant excitation being closer to the analyte absorption band combined with the intrinsic UV-LSPR resonant energy produced a SERS enhancement factor as high as 105 and accelerated photoinduced degradations compared to 532 nm for our substrates. Computational results consistent with the experiment clearly demonstrated that the NP SERS enhancement was sensitive to both the intrinsic optical properties of Rh in the UV region and the excitation closer to the LSPR peak producing larger EM enhancements. The wavelength-dependent correlations between the optical properties of the shape-tailored Rh NPs and SERS enhancements envisage the merit and demerit of DUV-UV excitation over visible excitation for Raman measurements. The as-fabricated SERS substrate could also be efficiently recycled using O2 plasma for the detection of other biomolecules. The use of oxide-free transition metal Rh and DUV-UV excitation thereby extends the improved generality of the SERS technique for ultrasensitive bimolecular detection and for gaining a comprehensive understanding of UV-SERS-based applications.
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Affiliation(s)
- Rupali Das
- Department of Physics, Indian Institute of Technology Delhi, New Delhi 110016, India.
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25
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Zhang X, Li X, Reish ME, Zhang D, Su NQ, Gutiérrez Y, Moreno F, Yang W, Everitt HO, Liu J. Plasmon-Enhanced Catalysis: Distinguishing Thermal and Nonthermal Effects. NANO LETTERS 2018; 18:1714-1723. [PMID: 29438619 DOI: 10.1021/acs.nanolett.7b04776] [Citation(s) in RCA: 132] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
In plasmon-enhanced heterogeneous catalysis, illumination accelerates reaction rates by generating hot carriers and hot surfaces in the constituent nanostructured metals. In order to understand how photogenerated carriers enhance the nonthermal reaction rate, the effects of photothermal heating and thermal gradients in the catalyst bed must be confidently and quantitatively characterized. This is a challenging task considering the conflating effects of light absorption, heat transport, and reaction energetics. Here, we introduce a methodology to distinguish the thermal and nonthermal contributions from plasmon-enhanced catalysts, demonstrated by illuminated rhodium nanoparticles on oxide supports to catalyze the CO2 methanation reaction. By simultaneously measuring the total reaction rate and the temperature gradient of the catalyst bed, the effective thermal reaction rate may be extracted. The residual nonthermal rate of the plasmon-enhanced reaction is found to grow with a superlinear dependence on illumination intensity, and its apparent quantum efficiency reaches ∼46% on a Rh/TiO2 catalyst at a surface temperature of 350 °C. Heat and light are shown to work synergistically in these reactions: the higher the temperature, the higher the overall nonthermal efficiency in plasmon-enhanced catalysis.
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Affiliation(s)
- Xiao Zhang
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
| | - Xueqian Li
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
| | - Matthew E Reish
- Army Aviation & Missile RD&E Center , Redstone Arsenal , Alabama 35898 , United States
| | - Du Zhang
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
| | - Neil Qiang Su
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
| | - Yael Gutiérrez
- Optics Group, Department of Applied Physics , University of Cantabria , Avda de Los Castros , s/n 39005 Santander , Spain
| | - Fernando Moreno
- Optics Group, Department of Applied Physics , University of Cantabria , Avda de Los Castros , s/n 39005 Santander , Spain
| | - Weitao Yang
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
- Department of Physics , Duke University , Durham , North Carolina 27708 , United States
| | - Henry O Everitt
- Army Aviation & Missile RD&E Center , Redstone Arsenal , Alabama 35898 , United States
- Department of Physics , Duke University , Durham , North Carolina 27708 , United States
| | - Jie Liu
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
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26
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Plasmonics in the Ultraviolet with Aluminum, Gallium, Magnesium and Rhodium. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8010064] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Ultraviolet plasmonics (UV) has become an active topic of research due to the new challenges arising in fields such as biosensing, chemistry or spectroscopy. Recent studies have pointed out aluminum, gallium, magnesium and rhodium as promising candidates for plasmonics in the UV range. Aluminum and magnesium present a high oxidation tendency that has a critical effect in their plasmonic performance. Nevertheless, gallium and rhodium have drawn a lot of attention because of their low tendency of oxidation and, at the same time, good plasmonic response in the UV and excellent photocatalytic properties. Here, we present a short overview of the current state of UV plasmonics with the latest findings in the plasmonic response and applications of aluminum, gallium, magnesium and rhodium nanoparticles.
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27
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Gutiérrez Y, Ortiz D, Saiz JM, González F, Everitt HO, Moreno F. The UV Plasmonic Behavior of Distorted Rhodium Nanocubes. NANOMATERIALS (BASEL, SWITZERLAND) 2017; 7:E425. [PMID: 29207569 PMCID: PMC5746915 DOI: 10.3390/nano7120425] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 11/24/2017] [Accepted: 11/28/2017] [Indexed: 01/25/2023]
Abstract
For applications of surface-enhanced spectroscopy and photocatalysis, the ultraviolet (UV) plasmonic behavior and charge distribution within rhodium nanocubes is explored by a detailed numerical analysis. The strongest plasmonic hot-spots and charge concentrations are located at the corners and edges of the nanocubes, exactly where they are the most spectroscopically and catalytically active. Because intense catalytic activity at corners and edges will reshape these nanoparticles, distortions of the cubical shape, including surface concavity, surface convexity, and rounded corners and edges, are also explored to quantify how significantly these distortions deteriorate their plasmonic and photocatalytic properties. The fact that the highest fields and highest carrier concentrations occur in the corners and edges of Rh nanocubes (NCs) confirms their tremendous potential for plasmon-enhanced spectroscopy and catalysis. It is shown that this opportunity is fortuitously enhanced by the fact that even higher field and charge concentrations reside at the interface between the metal nanoparticle and a dielectric or semiconductor support, precisely where the most chemically active sites are located.
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Affiliation(s)
- Yael Gutiérrez
- Department of Applied Physics, University of Cantabria, Avda. Los Castros, s/n., 39005 Santander, Spain.
| | - Dolores Ortiz
- Department of Applied Physics, University of Cantabria, Avda. Los Castros, s/n., 39005 Santander, Spain.
| | - José M Saiz
- Department of Applied Physics, University of Cantabria, Avda. Los Castros, s/n., 39005 Santander, Spain.
| | - Francisco González
- Department of Applied Physics, University of Cantabria, Avda. Los Castros, s/n., 39005 Santander, Spain.
| | - Henry O Everitt
- Department of Physics, Duke University, Durham, NC 27708, USA.
- U.S. Army Aviation and Missile RD&E Center, Redstone Arsenal, Huntsville, AL 35898, USA.
| | - Fernando Moreno
- U.S. Army Aviation and Missile RD&E Center, Redstone Arsenal, Huntsville, AL 35898, USA.
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28
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Canet-Ferrer J, Albella P, Ribera A, Usagre JV, Maier SA. Hybrid magnetite-gold nanoparticles as bifunctional magnetic-plasmonic systems: three representative cases. NANOSCALE HORIZONS 2017; 2:205-216. [PMID: 32260642 DOI: 10.1039/c6nh00225k] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Hybrid systems based on magnetite and gold nanoparticles have been extensively used as bifunctional materials for bio- and nano-technology. The properties of these composites are assumed to be closely related to the magnetite to gold mass ratio and to the geometry of the resulting hetero-structures. To illustrate this, we compare and analyze the optical and magnetic properties of core-shell, dumbbell-like dimers and chemical cross-linked pairs of magnetite and gold nanoparticles in detail. We explore how the combination of gold with magnetite can lead to an improvement of the optical properties of these systems, such as tunability, light scattering enhancement or an increase of the local electric field at the interface between magnetic and plasmonic constituents. We also show that although the presence of gold might affect the magnetic response of these hybrid systems, they still show good performance for magnetic applications; indeed the resulting magnetic properties are more dependent on the NP size dispersion. Finally, we identify technological constraints and discuss prospective routes for the development of further magnetic-plasmonic materials.
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Affiliation(s)
- J Canet-Ferrer
- Instituto de ciencia molecular (ICMol) de la Universidad de Valencia, c/ Catedrático José Beltrán Martínez num. 2, E46980 Paterna, Spain.
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29
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Grabowskaa E, Diak M, Klimczuk T, Lisowski W, Zaleska-Medynska A. Novel decahedral TiO 2 photocatalysts modified with Ru or Rh NPs: Insight into the mechanism. MOLECULAR CATALYSIS 2017. [DOI: 10.1016/j.mcat.2017.03.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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30
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Zhang X, Li X, Zhang D, Su NQ, Yang W, Everitt HO, Liu J. Product selectivity in plasmonic photocatalysis for carbon dioxide hydrogenation. Nat Commun 2017; 8:14542. [PMID: 28230100 PMCID: PMC5348736 DOI: 10.1038/ncomms14542] [Citation(s) in RCA: 200] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 01/11/2017] [Indexed: 12/19/2022] Open
Abstract
Photocatalysis has not found widespread industrial adoption, in spite of decades of active research, because the challenges associated with catalyst illumination and turnover outweigh the touted advantages of replacing heat with light. A demonstration that light can control product selectivity in complex chemical reactions could prove to be transformative. Here, we show how the recently demonstrated plasmonic behaviour of rhodium nanoparticles profoundly improves their already excellent catalytic properties by simultaneously reducing the activation energy and selectively producing a desired but kinetically unfavourable product for the important carbon dioxide hydrogenation reaction. Methane is almost exclusively produced when rhodium nanoparticles are mildly illuminated as hot electrons are injected into the anti-bonding orbital of a critical intermediate, while carbon monoxide and methane are equally produced without illumination. The reduced activation energy and super-linear dependence on light intensity cause the unheated photocatalytic methane production rate to exceed the thermocatalytic rate at 350 °C.
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Affiliation(s)
- Xiao Zhang
- Department of Chemistry, Duke University, Durham, North Carolina 27708, USA
| | - Xueqian Li
- Department of Chemistry, Duke University, Durham, North Carolina 27708, USA
| | - Du Zhang
- Department of Chemistry, Duke University, Durham, North Carolina 27708, USA
| | - Neil Qiang Su
- Department of Chemistry, Duke University, Durham, North Carolina 27708, USA
| | - Weitao Yang
- Department of Chemistry, Duke University, Durham, North Carolina 27708, USA
| | - Henry O. Everitt
- Department of Physics, Duke University, Durham, North Carolina 27708, USA
- Army Aviation & Missile RD&E Center, Redstone Arsenal, Alabama 35898, USA
| | - Jie Liu
- Department of Chemistry, Duke University, Durham, North Carolina 27708, USA
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Kukovecz Á, Kordás K, Kiss J, Kónya Z. Atomic scale characterization and surface chemistry of metal modified titanate nanotubes and nanowires. SURFACE SCIENCE REPORTS 2016. [DOI: 10.1016/j.surfrep.2016.06.001] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Gutierrez Y, Ortiz D, Sanz JM, Saiz JM, Gonzalez F, Everitt HO, Moreno F. How an oxide shell affects the ultraviolet plasmonic behavior of Ga, Mg, and Al nanostructures. OPTICS EXPRESS 2016; 24:20621-31. [PMID: 27607666 DOI: 10.1364/oe.24.020621] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The ultraviolet (UV) range presents new challenges for plasmonics, with interesting applications ranging from engineering to biology. In previous research, gallium, aluminum, and magnesium were found to be very promising UV plasmonic metals. However, a native oxide shell surrounds nanostructures of these metals that affects their plasmonic response. Here, through a nanoparticle-oxide core-shell model, we present a detailed electromagnetic analysis of how oxidation alters the UV-plasmonic response of spherical or hemisphere-on-substrate nanostructures made of those metals by analyzing the spectral evolution of two parameters: the absorption efficiency (far-field analysis) and the enhancement of the local intensity averaged over the nanoparticle surface (near-field analysis).
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Varga E, Baán K, Samu GF, Erdőhelyi A, Oszkó A, Kónya Z, Kiss J. The Effect of Rh on the Interaction of Co with Al2O3 and CeO2 Supports. Catal Letters 2016. [DOI: 10.1007/s10562-016-1809-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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