1
|
Li F, Wan S, Wang D, Schaaf P. Formation of nanoflowers: Au and Ni silicide cores surrounded by SiO x branches. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:133-140. [PMID: 36743299 PMCID: PMC9874233 DOI: 10.3762/bjnano.14.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 01/06/2023] [Indexed: 06/18/2023]
Abstract
This work reports the formation of nanoflowers after annealing of Au/Ni bilayers deposited on SiO2/Si substrates. The cores of the nanoflowers consist of segregated Ni silicide and Au parts and are surrounded by SiO x branches. The SiO2 decomposition is activated at 1050 °C in a reducing atmosphere, and it can be enhanced more by Au compared to Ni. SiO gas from the decomposition of SiO2 and the active oxidation of Si is the source of Si for the growth of the SiO x branches of the nanoflowers. The concentration of SiO gas around the decomposition cavities is inhomogeneously distributed. Closer to the cavity border, the concentration of the Si sources is higher, and SiO x branches grow faster. Hence, nanoflowers present shorter and shorter branches as they are getting away from the border. However, such inhomogeneous SiO gas concentration is weakened in the sample with the highest Au concentration due to the strong ability of Au to enhance SiO2 decomposition, and nanoflowers with less difference in their branches can be observed across the whole sample.
Collapse
Affiliation(s)
- Feitao Li
- Chair Materials for Electrical Engineering and Electronics, Institute of Materials Science and Engineering and Institute of Micro- and Nanotechnologies MacroNano, TU Ilmenau, Gustav-Kirchhoff-Straße 5, 98693 Ilmenau, Germany
| | - Siyao Wan
- Chair Materials for Electrical Engineering and Electronics, Institute of Materials Science and Engineering and Institute of Micro- and Nanotechnologies MacroNano, TU Ilmenau, Gustav-Kirchhoff-Straße 5, 98693 Ilmenau, Germany
| | - Dong Wang
- Chair Materials for Electrical Engineering and Electronics, Institute of Materials Science and Engineering and Institute of Micro- and Nanotechnologies MacroNano, TU Ilmenau, Gustav-Kirchhoff-Straße 5, 98693 Ilmenau, Germany
| | - Peter Schaaf
- Chair Materials for Electrical Engineering and Electronics, Institute of Materials Science and Engineering and Institute of Micro- and Nanotechnologies MacroNano, TU Ilmenau, Gustav-Kirchhoff-Straße 5, 98693 Ilmenau, Germany
| |
Collapse
|
2
|
Yan BX, Zhu YY, Wei Y, Pei H. Study on surface enhanced Raman scattering of Au and Au@Al 2O 3 spherical dimers based on 3D finite element method. Sci Rep 2021; 11:8391. [PMID: 33864018 PMCID: PMC8052425 DOI: 10.1038/s41598-021-87997-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 03/15/2021] [Indexed: 12/26/2022] Open
Abstract
In this paper, the surface enhanced Raman scattering (SERS) characteristics of Au and Au@Al2O3 nanoparticle dimers were calculated and analyzed by using finite element method (3D-FEM). Firstly, the electric field enhancement factors of Au nanoparticles at the dimer gap were optimized from three aspects: the incident angle of the incident light, the radius of nanoparticle and the distance of the dimer. Then, aluminum oxide is wrapped on the Au dimer. What is different from the previous simulation is that Al2O3 shell and Au core are regarded as a whole and the total radius of Au@Al2O3 dimer is controlled to remain unchanged. By comparing the distance of Au nucleus between Au and Au@Al2O3 dimer, it is found that the electric field enhancement factor of Au@Al2O3 dimer is much greater than that of Au dimer with the increase of Al2O3 thickness. The peak of electric field of Au@Al2O3 dimer moves towards the middle of the resonance peak of the two materials, and it is more concentrated than that of the Au dimer. The maximum electric field enhancement factor 583 is reached at the shell thickness of 1 nm. Our results provide a theoretical reference for the design of SERS substrate and the extension of the research scope.
Collapse
Affiliation(s)
- Bao-Xin Yan
- Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao, 066004, China
| | - Yan-Ying Zhu
- Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao, 066004, China
| | - Yong Wei
- College of Li Ren, Yanshan University, Qinhuangdao, 066004, China.
| | - Huan Pei
- College of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, China.
| |
Collapse
|
3
|
Ke S, Kan C, Zhu X, Wang C, Wang X, Chen Y, Zhu X, Li Z, Shi D. Synthesis of porous Au–Ag alloy nanorods with tunable plasmonic properties and intrinsic hotspots for surface-enhanced Raman scattering. CrystEngComm 2021. [DOI: 10.1039/d1ce00258a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The tunability of longitudinal plasmonic bands of P-AuAgNRs is realized to cover a wide range of wavelengths. P-AuAgNRs exhibit numerous internal hotspots which favor highly sensitive surface-enhanced Raman scattering detection.
Collapse
Affiliation(s)
- Shanlin Ke
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- P. R. China
| | - Caixia Kan
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- P. R. China
- Key Laboratory of Aerospace Information Materials and Physics
| | - Xingzhong Zhu
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- P. R. China
- Key Laboratory of Aerospace Information Materials and Physics
| | - Changshun Wang
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- P. R. China
| | - Xiu Wang
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- P. R. China
| | - Yuan Chen
- Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province
- Nanjing 210023
- P. R. China
| | - Xiaoguang Zhu
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei 230031
- P. R. China
| | - Zhaosheng Li
- National Laboratory of Solid State Microstructures
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Daning Shi
- College of Science
- Nanjing University of Aeronautics and Astronautics
- Nanjing 210016
- P. R. China
- Key Laboratory of Aerospace Information Materials and Physics
| |
Collapse
|
4
|
Syubaev S, Gurbatov S, Modin E, Linklater DP, Juodkazis S, Gurevich EL, Kuchmizhak A. Laser Printing of Plasmonic Nanosponges. NANOMATERIALS 2020; 10:nano10122427. [PMID: 33291684 PMCID: PMC7761959 DOI: 10.3390/nano10122427] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 11/28/2020] [Accepted: 12/01/2020] [Indexed: 12/02/2022]
Abstract
Three-dimensional porous nanostructures made of noble metals represent novel class of nanomaterials promising for nonlinear nanooptics and sensors. Such nanostructures are typically fabricated using either reproducible yet time-consuming and costly multi-step lithography protocols or less reproducible chemical synthesis that involve liquid processing with toxic compounds. Here, we combined scalable nanosecond-laser ablation with advanced engineering of the chemical composition of thin substrate-supported Au films to produce nanobumps containing multiple nanopores inside. Most of the nanopores hidden beneath the nanobump surface can be further uncapped using gentle etching of the nanobumps by an Ar-ion beam to form functional 3D plasmonic nanosponges. The nanopores 10–150 nm in diameter were found to appear via laser-induced explosive evaporation/boiling and coalescence of the randomly arranged nucleation sites formed by nitrogen-rich areas of the Au films. Density of the nanopores can be controlled by the amount of the nitrogen in the Au films regulated in the process of their magnetron sputtering assisted with nitrogen-containing discharge gas.
Collapse
Affiliation(s)
- Sergey Syubaev
- Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia; (S.S.); (S.G.)
- Far Eastern Federal University, 690041 Vladivostok, Russia
| | - Stanislav Gurbatov
- Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia; (S.S.); (S.G.)
- Far Eastern Federal University, 690041 Vladivostok, Russia
| | - Evgeny Modin
- CIC NanoGUNE BRTA, Avda Tolosa 76, 20018 Donostia-San Sebastian, Spain;
| | - Denver P. Linklater
- Optical Sciences Center and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, John st., Hawthorn, VIC 3122, Australia; (D.P.L.); (S.J.)
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Saulius Juodkazis
- Optical Sciences Center and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, John st., Hawthorn, VIC 3122, Australia; (D.P.L.); (S.J.)
- World Research Hub Initiative (WRHI), School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Evgeny L. Gurevich
- Laser Center (LFM), University of Applied Sciences Munster, Stegerwaldstraße 39, 48565 Steinfurt, Germany;
| | - Aleksandr Kuchmizhak
- Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia; (S.S.); (S.G.)
- Far Eastern Federal University, 690041 Vladivostok, Russia
- Correspondence:
| |
Collapse
|
5
|
Zhong JH, Vogelsang J, Yi JM, Wang D, Wittenbecher L, Mikaelsson S, Korte A, Chimeh A, Arnold CL, Schaaf P, Runge E, Huillier AL, Mikkelsen A, Lienau C. Nonlinear plasmon-exciton coupling enhances sum-frequency generation from a hybrid metal/semiconductor nanostructure. Nat Commun 2020; 11:1464. [PMID: 32193407 PMCID: PMC7081225 DOI: 10.1038/s41467-020-15232-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 02/21/2020] [Indexed: 11/09/2022] Open
Abstract
The integration of metallic plasmonic nanoantennas with quantum emitters can dramatically enhance coherent harmonic generation, often resulting from the coupling of fundamental plasmonic fields to higher-energy, electronic or excitonic transitions of quantum emitters. The ultrafast optical dynamics of such hybrid plasmon-emitter systems have rarely been explored. Here, we study those dynamics by interferometrically probing nonlinear optical emission from individual porous gold nanosponges infiltrated with zinc oxide (ZnO) emitters. Few-femtosecond time-resolved photoelectron emission microscopy reveals multiple long-lived localized plasmonic hot spot modes, at the surface of the randomly disordered nanosponges, that are resonant in a broad spectral range. The locally enhanced plasmonic near-field couples to the ZnO excitons, enhancing sum-frequency generation from individual hot spots and boosting resonant excitonic emission. The quantum pathways of the coupling are uncovered from a two-dimensional spectrum correlating fundamental plasmonic excitations to nonlinearly driven excitonic emissions. Our results offer new opportunities for enhancing and coherently controlling optical nonlinearities by exploiting nonlinear plasmon-quantum emitter coupling.
Collapse
Affiliation(s)
- Jin-Hui Zhong
- Institute of Physics, Carl von Ossietzky University, 26111, Oldenburg, Germany
| | - Jan Vogelsang
- Department of Physics, Lund University, SE-221 00, Lund, Sweden.,Nano Lund, Lund University, Box 118, 22100, Lund, Sweden
| | - Jue-Min Yi
- Institute of Physics, Carl von Ossietzky University, 26111, Oldenburg, Germany
| | - Dong Wang
- Institut für Mikro- und Nanotechnologien MacroNano® and Institut für Werkstofftechnik, Technische Universität Ilmenau, 98693, Ilmenau, Germany
| | - Lukas Wittenbecher
- Department of Physics, Lund University, SE-221 00, Lund, Sweden.,Nano Lund, Lund University, Box 118, 22100, Lund, Sweden
| | - Sara Mikaelsson
- Department of Physics, Lund University, SE-221 00, Lund, Sweden
| | - Anke Korte
- Institute of Physics, Carl von Ossietzky University, 26111, Oldenburg, Germany
| | - Abbas Chimeh
- Institute of Physics, Carl von Ossietzky University, 26111, Oldenburg, Germany
| | - Cord L Arnold
- Department of Physics, Lund University, SE-221 00, Lund, Sweden
| | - Peter Schaaf
- Institut für Mikro- und Nanotechnologien MacroNano® and Institut für Werkstofftechnik, Technische Universität Ilmenau, 98693, Ilmenau, Germany
| | - Erich Runge
- Institut für Mikro- und Nanotechnologien MacroNano® and Institut für Physik, Technische Universität Ilmenau, 98693, Ilmenau, Germany
| | | | - Anders Mikkelsen
- Department of Physics, Lund University, SE-221 00, Lund, Sweden.,Nano Lund, Lund University, Box 118, 22100, Lund, Sweden
| | - Christoph Lienau
- Institute of Physics, Carl von Ossietzky University, 26111, Oldenburg, Germany. .,Forschungszentrum Neurosensorik, Carl von Ossietzky University, 26111, Oldenburg, Germany.
| |
Collapse
|
6
|
Larin AO, Nominé A, Ageev EI, Ghanbaja J, Kolotova LN, Starikov SV, Bruyère S, Belmonte T, Makarov SV, Zuev DA. Plasmonic nanosponges filled with silicon for enhanced white light emission. NANOSCALE 2020; 12:1013-1021. [PMID: 31844859 DOI: 10.1039/c9nr08952g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Plasmonic nanosponges are a powerful platform for various nanophotonic applications owing to extremely high local field enhancement in metallic nanopores. The filling of the nanopores with high-refractive index semiconductors (e.g. Si, Ge, GaP, etc.) opens up opportunities for the enhancement of nonlinear effects in these materials. However, this task remains challenging due to the lack of knowledge on the integration process of metal and high-index semiconductor components in such nanoobjects. Here, we investigate metal-dielectric nanoparticles fabricated from bilayer Si/Au films by the laser printing technique via a combination of theoretical and experimental methods. We reveal that these hybrid nanoparticles represent the Au sponge-like nanostructure filled with Si nanocrystallites. We also demonstrate that the Au net provides strong near-field enhancement in the Si grains increasing the white light photoluminescence in the hybrid nanostructures compared to uniform Si nanoparticles. These results pave the way for engineering the internal structure of the sponge-like hybrid nanoparticles possessing white light luminescence and control of their optical properties on demand.
Collapse
Affiliation(s)
- A O Larin
- Department of Nanophotonics and Metamatarials, ITMO University, 49 Kronverkskii pr., Saint Petersburg 197101, Russia.
| | | | | | | | | | | | | | | | | | | |
Collapse
|
7
|
Wang D, Schaaf P. Synthesis and characterization of size controlled bimetallic nanosponges. PHYSICAL SCIENCES REVIEWS 2019. [DOI: 10.1515/psr-2018-0125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractMetallic and bimetallic nanosponges with well-defined size and form have attracted increasing attention due to their unique structural properties and their potential for many applications. In this chapter, the recently developed methods for the synthesis and preparation of metallic and bimetallic nanosponges are presented. These methods can be mainly cataloged in two groups: dealloying-based methods and reduction reaction-based methods. Different topographical reconstruction methods for the investigation of their structural properties are then reviewed briefly. The optical properties of the metallic nanosponges are clearly different from those of the solid counterparts due to the tailored disordered structure. The recent advances in the exploration of the distinct linear and non-linear optical properties of the nanosponges are summarized.Graphical Abstract:
Collapse
|
8
|
Jarzembski A, Shaskey C, Murdick RA, Park K. Temperature sensitivity of scattering-type near-field nanoscopic imaging in the visible range. APPLIED OPTICS 2019; 58:1978-1983. [PMID: 30874064 DOI: 10.1364/ao.58.001978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 02/02/2019] [Indexed: 06/09/2023]
Abstract
Due to its superb imaging spatial resolution and spectroscopic viability, scattering-type scanning near-field optical microscopy (s-SNOM) has proven to be widely applicable for nanoscale surface imaging and characterization. However, limited works have investigated the sensitivity of the s-SNOM signal to sample temperature. This paper reports the sample temperature effect on the non-interferometric (self-homodyne) s-SNOM scheme at a visible wavelength (λ=638 nm). Our s-SNOM measurements for an arrayed vanadium/quartz sample demonstrate a monotonic decrease in signal intensity as sample temperature increases. As a result, s-SNOM imaging cannot distinguish quartz or vanadium when the sample is heated to ∼309 K: all signals are close to the root-mean-square noise of the detection scheme used for this study (i.e., 19 μV-rms). While further studies are required to better understand the underlying physics of such temperature dependence, the obtained results suggest that s-SNOM measurements should be carefully conducted to meet a constant sample temperature condition, particularly when a visible-spectrum laser is to be used as the light source.
Collapse
|