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Kang M, Kim SJ, Joo H, Koo Y, Lee H, Lee HS, Suh YD, Park KD. Nanoscale Manipulation of Exciton-Trion Interconversion in a MoSe 2 Monolayer via Tip-Enhanced Cavity-Spectroscopy. NANO LETTERS 2024; 24:279-286. [PMID: 38117534 DOI: 10.1021/acs.nanolett.3c03920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Emerging light-matter interactions in metal-semiconductor hybrid platforms have attracted considerable attention due to their potential applications in optoelectronic devices. Here, we demonstrate plasmon-induced near-field manipulation of trionic responses in a MoSe2 monolayer using tip-enhanced cavity-spectroscopy (TECS). The surface plasmon-polariton mode on the Au nanowire can locally manipulate the exciton (X0) and trion (X-) populations of MoSe2. Furthermore, we reveal that surface charges significantly influence the emission and interconversion processes of X0 and X-. In the TECS configuration, the localized plasmon significantly affects the distributions of X0 and X- due to the modified radiative decay rate. Additionally, within the TECS cavity, the electric doping effect and hot electron generation enable dynamic interconversion between X0 and X- at the nanoscale. This work advances our understanding of plasmon-exciton-hot electron interactions in metal-semiconductor-metal hybrid structures, providing a foundation for an optimal trion-based nano-optoelectronic platform.
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Affiliation(s)
- Mingu Kang
- Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Su Jin Kim
- Department of Physics, Research Institute for Nanoscale Science and Technology, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Huitae Joo
- Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Yeonjeong Koo
- Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Hyeongwoo Lee
- Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Hyun Seok Lee
- Department of Physics, Research Institute for Nanoscale Science and Technology, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Yung Doug Suh
- Department of Chemistry and School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919 Republic of Korea
- Center for Multidimensional Carbon Materials (CMCM), Institute for Basic Science (IBS), Ulsan 44919, Republic of Korea
| | - Kyoung-Duck Park
- Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
- Center for Multidimensional Carbon Materials (CMCM), Institute for Basic Science (IBS), Ulsan 44919, Republic of Korea
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2
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Wang J, Baudrion AL, Béal J, Horneber A, Tang F, Butet J, Martin OJF, Meixner AJ, Adam PM, Zhang D. Hot carrier-mediated avalanche multiphoton photoluminescence from coupled Au-Al nanoantennas. J Chem Phys 2021; 154:074701. [PMID: 33607882 DOI: 10.1063/5.0032611] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Avalanche multiphoton photoluminescence (AMPL) is observed from coupled Au-Al nanoantennas under intense laser pumping, which shows more than one order of magnitude emission intensity enhancement and distinct spectral features compared with ordinary metallic photoluminescence. The experiments are conducted by altering the incident laser intensity and polarization using a home-built scanning confocal optical microscope. The results show that AMPL originates from the recombination of avalanche hot carriers that are seeded by multiphoton ionization. Notably, at the excitation stage, multiphoton ionization is shown to be assisted by the local electromagnetic field enhancement produced by coupled plasmonic modes. At the emission step, the giant AMPL intensity can be evaluated as a function of the local field environment and the thermal factor for hot carriers, in accordance with a linear relationship between the power law exponent coefficient and the emitted photon energy. The dramatic change in the spectral profile is explained by spectral linewidth broadening mechanisms. This study offers nanospectroscopic evidence of both the potential optical damages for plasmonic nanostructures and the underlying physical nature of light-matter interactions under a strong laser field; it illustrates the significance of the emerging topics of plasmonic-enhanced spectroscopy and laser-induced breakdown spectroscopy.
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Affiliation(s)
- Jiyong Wang
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
| | - Anne-Laure Baudrion
- Light, Nanomaterials and Nanotechnology, University of Technology of Troyes, 12 Rue Marie Curie, CS42060, 10004 Troyes Cedex, France
| | - Jérémie Béal
- Light, Nanomaterials and Nanotechnology, University of Technology of Troyes, 12 Rue Marie Curie, CS42060, 10004 Troyes Cedex, France
| | - Anke Horneber
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
| | - Feng Tang
- Light, Nanomaterials and Nanotechnology, University of Technology of Troyes, 12 Rue Marie Curie, CS42060, 10004 Troyes Cedex, France
| | - Jérémy Butet
- Nanophotonics and Metrology Laboratory (NAM), Swiss Federal Institute of Technology, Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Olivier J F Martin
- Nanophotonics and Metrology Laboratory (NAM), Swiss Federal Institute of Technology, Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Alfred J Meixner
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
| | - Pierre-Michel Adam
- Light, Nanomaterials and Nanotechnology, University of Technology of Troyes, 12 Rue Marie Curie, CS42060, 10004 Troyes Cedex, France
| | - Dai Zhang
- Institute of Physical and Theoretical Chemistry, Eberhard Karls University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
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Šubr M, Procházka M. Polarization- and Angular-Resolved Optical Response of Molecules on Anisotropic Plasmonic Nanostructures. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E418. [PMID: 29890758 PMCID: PMC6027211 DOI: 10.3390/nano8060418] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 05/28/2018] [Accepted: 06/07/2018] [Indexed: 11/17/2022]
Abstract
A sometimes overlooked degree of freedom in the design of many spectroscopic (mainly Raman) experiments involve the choice of experimental geometry and polarization arrangement used. Although these aspects usually play a rather minor role, their neglect may result in a misinterpretation of the experimental results. It is well known that polarization- and/or angular- resolved spectroscopic experiments allow one to classify the symmetry of the vibrations involved or the molecular orientation with respect to a smooth surface. However, very low detection limits in surface-enhancing spectroscopic techniques are often accompanied by a complete or partial loss of this detailed information. In this review, we will try to elucidate the extent to which this approach can be generalized for molecules adsorbed on plasmonic nanostructures. We will provide a detailed summary of the state-of-the-art experimental findings for a range of plasmonic platforms used in the last ~ 15 years. Possible implications on the design of plasmon-based molecular sensors for maximum signal enhancement will also be discussed.
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Affiliation(s)
- Martin Šubr
- Faculty of Mathematics and Physics, Institute of Physics, Charles University, 121 16 Prague 2, Czech Republic.
| | - Marek Procházka
- Faculty of Mathematics and Physics, Institute of Physics, Charles University, 121 16 Prague 2, Czech Republic.
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4
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Hajimammadov R, Bykov A, Popov A, Juhasz KL, Lorite GS, Mohl M, Kukovecz A, Huuhtanen M, Kordas K. Random networks of core-shell-like Cu-Cu 2O/CuO nanowires as surface plasmon resonance-enhanced sensors. Sci Rep 2018; 8:4708. [PMID: 29549337 PMCID: PMC5856813 DOI: 10.1038/s41598-018-23119-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 03/01/2018] [Indexed: 12/20/2022] Open
Abstract
The rapid oxide formation on pristine unprotected copper surfaces limits the direct application of Cu nanomaterials in electronics and sensor assemblies with physical contacts. However, it is not clear whether the growing cuprous (Cu2O) and cupric oxides (CuO) and the formation of core-shell-like Cu-Cu2O/CuO nanowires would cause any compromise for non-contact optical measurements, where light absorption and subsequent charge oscillation and separation take place such as those in surface plasmon-assisted and photocatalytic processes, respectively. Therefore, we analyze how the surface potential of hydrothermally synthetized copper nanowires changes as a function of time in ambient conditions using Kelvin probe force microscopy in dark and under light illumination to reveal charge accumulation on the nanowires and on the supporting gold substrate. Further, we perform finite element modeling of the optical absorption to predict plasmonic behavior of the nanostructures. The results suggest that the core-shell-like Cu-Cu2O/CuO nanowires may be useful both in photocatalytic and in surface plasmon-enhanced processes. Here, by exploiting the latter, we show that regardless of the native surface oxide formation, random networks of the nanowires on gold substrates work as excellent amplification media for surface-enhanced Raman spectroscopy as demonstrated in sensing of Rhodamine 6G dye molecules.
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Affiliation(s)
- Rashad Hajimammadov
- Microelectronics Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, P.O. Box 4500, 90570, Oulu, Finland
| | - Alexander Bykov
- Optoelectronics and Measurement Techniques Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, P.O. Box 4500, 90570, Oulu, Finland
| | - Alexey Popov
- Optoelectronics and Measurement Techniques Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, P.O. Box 4500, 90570, Oulu, Finland
| | - Koppany L Juhasz
- Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Bela ter 1, Szeged, 6720, Hungary
| | - Gabriela S Lorite
- Microelectronics Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, P.O. Box 4500, 90570, Oulu, Finland
| | - Melinda Mohl
- Microelectronics Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, P.O. Box 4500, 90570, Oulu, Finland
| | - Akos Kukovecz
- Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Bela ter 1, Szeged, 6720, Hungary
| | - Mika Huuhtanen
- Environmental and Chemical Engineering Research Unit, Faculty of Technology, University of Oulu, P.O. Box 4300, 90570, Oulu, Finland
| | - Krisztian Kordas
- Microelectronics Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, P.O. Box 4500, 90570, Oulu, Finland.
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5
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Degradation mechanisms of silver nanowire electrodes under ultraviolet irradiation and heat treatment. Sci Rep 2017; 7:1696. [PMID: 28490796 PMCID: PMC5431942 DOI: 10.1038/s41598-017-01843-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 04/04/2017] [Indexed: 11/08/2022] Open
Abstract
We report the degradation mechanisms of the silver nanowire (Ag NW) electrodes that play a significantly important role in the stability of wearable and flexible devices. The degradation mechanisms behind the increase in the sheet resistances of Ag NW electrodes were clarified by investigating the variations in the structure and the chemical composition of the Ag NW electrodes caused by ultraviolet irradiation and thermal treatment. While the shapes of the Ag NWs were affected by melting during the thermal degradation process, the chemical composition of the polyvinylpyrrolidone protective layer on the surfaces of the Ag NWs was not changed. Ultraviolet irradiation deformed the shapes of the Ag NWs because nitrogen or oxygen atoms were introduced to the silver atoms on the surfaces of the Ag NWs. A graphene-oxide flake was coated on the Ag NW electrodes by using a simple dipping method to prevent ultraviolet irradiation and ozone contact with the surfaces of the Ag NWs, and the increase in the sheet resistance in the graphene-oxide-treated Ag NWs was suppressed. These observations will be of assistance to researchers trying to find novel ways to improve the stability of the Ag NW electrodes in next-generation wearable devices.
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6
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Ghosh PK, Debu DT, French DA, Herzog JB. Calculated thickness dependent plasmonic properties of gold nanobars in the visible to near-infrared light regime. PLoS One 2017; 12:e0177463. [PMID: 28486554 PMCID: PMC5423688 DOI: 10.1371/journal.pone.0177463] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Accepted: 04/27/2017] [Indexed: 11/19/2022] Open
Abstract
Metallic, especially gold, nanostructures exhibit plasmonic behavior in the visible to near-infrared light range. In this study, we investigate optical enhancement and absorption of gold nanobars with different thicknesses for transverse and longitudinal polarizations using finite element method simulations. This study also reports on the discrepancy in the resonance wavelengths and optical enhancement of the sharp-corner and round-corner nanobars of constant length 100 nm and width 60 nm. The result shows that resonance amplitude and wavelength have strong dependences on the thickness of the nanostructure as well as the sharpness of the corners, which is significant since actual fabricated structure often have rounded corners. Primary resonance mode blue-shifts and broadens as the thickess increases due to decoupling of charge dipoles at the surface for both polarizations. The broadening effect is characterized by measuring the full width at half maximum of the spectra. We also present the surface charge distribution showing dipole mode oscillations at resonance frequency and multimode resonance indicating different oscillation directions of the surface charge based on the polarization direction of the field. Results of this work give insight for precisely tuning nanobar structures for sensing and other enhanced optical applications.
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Affiliation(s)
- Pijush K. Ghosh
- Department of Physics, University of Arkansas, Fayetteville, Arkansas, United States of America
- Department of Electrical Engineering, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Desalegn T. Debu
- Department of Physics, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - David A. French
- Department of Physics, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Joseph B. Herzog
- Department of Physics, University of Arkansas, Fayetteville, Arkansas, United States of America
- * E-mail:
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7
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Xiong W, Liu H, Chen Y, Zheng M, Zhao Y, Kong X, Wang Y, Zhang X, Kong X, Wang P, Jiang L. Highly Conductive, Air-Stable Silver Nanowire@Iongel Composite Films toward Flexible Transparent Electrodes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:7167-72. [PMID: 27296551 DOI: 10.1002/adma.201600358] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 04/25/2016] [Indexed: 05/24/2023]
Abstract
A new type of flexible transparent electrode is designed, by employing wettability-induced selective electroless-welding of silver nanowire (AgNW) networks, together with a thin conductive iongel as the protective layer. The obtained electrode exhibits high optical transmittance, and excellent air-stability without sacrificing conductivity.
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Affiliation(s)
- Weiwei Xiong
- Laboratory of Bio-inspired Smart Interface Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Hongliang Liu
- Laboratory of Bio-inspired Smart Interface Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yongzhen Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Meiling Zheng
- Laboratory of Organic NanoPhotonics and Laboratory of Bio-Inspired Smart Interface Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yuanyuan Zhao
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Laboratory of Organic NanoPhotonics and Laboratory of Bio-Inspired Smart Interface Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Xiangbin Kong
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ying Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Xiqi Zhang
- Laboratory of Bio-inspired Smart Interface Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Xiangyu Kong
- Laboratory of Bio-inspired Smart Interface Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Pengfei Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Lei Jiang
- Laboratory of Bio-inspired Smart Interface Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
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8
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Orientation-and polarization-dependent optical properties of the single Ag nanowire/glass substrate system excited by the evanescent wave. Sci Rep 2016; 6:25633. [PMID: 27157123 PMCID: PMC4860604 DOI: 10.1038/srep25633] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 04/20/2016] [Indexed: 11/09/2022] Open
Abstract
As an important plasmon one-dimensional material, orientation- and polarization-dependent properties of single Ag nanowires/glass substrate system are investigated by a powerful platform consisting of evanescent wave excitation, near-/far-field detection and a micromanipulator. In the case of the nanowire perpendicular or parallel to the incident plane and p- ors-polarized evanescent excitation respectively, optical properties of the nanowire is measured both in far-field and near-field. For the perpendicular situation, scattering light from the nanowire shows strong dependence on the polarization of incident light, and period patterns along the nanowire are observed both in the near- and far-field. The chain of dipole model is used to explain the origin of this pattern. The discrepancy of the period patterns observed in the near- and far-field is due to the different resolution of the near- and far-field detection. For the parallel case, light intensity from the output end also depends on the incident polarization. Both experimental and calculation results show that the polarization dependence effect results from the surface plasmon excitation. These results on the orientation- and polarization-dependent properties of the Ag nanowires detected by the combination of near- and far-field methods would be helpful to understand interactions of one-dimensional plasmonic nanostructures with light.
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9
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Origin of the Avalanche-Like Photoluminescence from Metallic Nanowires. Sci Rep 2016; 6:18857. [PMID: 26728439 PMCID: PMC4700426 DOI: 10.1038/srep18857] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 11/25/2015] [Indexed: 11/25/2022] Open
Abstract
Surface plasmonic systems provide extremely efficient ways to modulate light-matter interaction in photon emission, light harvesting, energy conversion and transferring, etc. Various surface plasmon enhanced luminescent behaviors have been observed and investigated in these systems. But the origin of an avalanche-like photoluminescence, which was firstly reported in 2007 from Au and subsequently from Ag nanowire arrays/monomers, is still not clear. Here we show, based on systematic investigations including the excitation power/time related photoluminescent measurements as well as calculations, that this avalanche-like photoluminescence is in fact a result of surface plasmon assisted thermal radiation. Nearly all of the related observations could be perfectly interpreted with this concept. Our finding is crucial for understanding the surface plasmon mediated thermal and photoemission behaviors in plasmonic structures, which is of great importance in designing functional plasmonic devices.
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10
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Nian Q, Saei M, Xu Y, Sabyasachi G, Deng B, Chen YP, Cheng GJ. Crystalline Nanojoining Silver Nanowire Percolated Networks on Flexible Substrate. ACS NANO 2015; 9:10018-10031. [PMID: 26390281 DOI: 10.1021/acsnano.5b03601] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Optoelectronic performance of metal nanowire networks are dominated by junction microstructure and network configuration. Although metal nanowire printings, such as silver nanowires (AgNWs) or AgNWs/semiconductor oxide bilayer, have great potential to replace traditional ITO, efficient and selective nanoscale integration of nanowires is still challenging owing to high cross nanowire junction resistance. Herein, pulsed laser irradiation under controlled conditions is used to generate local crystalline nanojoining of AgNWs without affecting other regions of the network, resulting in significantly improved optoelectronic performance. The method, laser-induced plasmonic welding (LPW), can be applied to roll-to-roll printed AgNWs percolating networks on PET substrate. First principle simulations and experimental characterizations reveal the mechanism of crystalline nanojoining originated from thermal activated isolated metal atom flow over nanowire junctions. Molecular dynamic simulation results show an angle-dependent recrystallization process during LPW. The excellent optoelectronic performance of AgNW/PET has achieved Rs ∼ 5 Ω/sq at high transparency (91% @λ = 550 nm).
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Affiliation(s)
- Qiong Nian
- School of Industrial Engineering, Purdue University ,315 North Grant Street, West Lafayette, Indiana 47907, United States
- Birck Nanotechnology Center, Purdue University ,1205 West State Street, West Lafayette, Indiana 47907, United States
| | - Mojib Saei
- School of Industrial Engineering, Purdue University ,315 North Grant Street, West Lafayette, Indiana 47907, United States
- Birck Nanotechnology Center, Purdue University ,1205 West State Street, West Lafayette, Indiana 47907, United States
| | - Yang Xu
- Birck Nanotechnology Center, Purdue University ,1205 West State Street, West Lafayette, Indiana 47907, United States
- Department of Physics and Astronomy, Purdue University , 525 Northwestern Avenue, West Lafayette, Indiana 47907, United States
| | - Ganguli Sabyasachi
- Air Force Research Laboratory , 2941 Hobson Way, Dayton, Ohio 45433, United States
| | - Biwei Deng
- School of Industrial Engineering, Purdue University ,315 North Grant Street, West Lafayette, Indiana 47907, United States
- Birck Nanotechnology Center, Purdue University ,1205 West State Street, West Lafayette, Indiana 47907, United States
| | - Yong P Chen
- Birck Nanotechnology Center, Purdue University ,1205 West State Street, West Lafayette, Indiana 47907, United States
- Department of Physics and Astronomy, Purdue University , 525 Northwestern Avenue, West Lafayette, Indiana 47907, United States
| | - Gary J Cheng
- School of Industrial Engineering, Purdue University ,315 North Grant Street, West Lafayette, Indiana 47907, United States
- Birck Nanotechnology Center, Purdue University ,1205 West State Street, West Lafayette, Indiana 47907, United States
- Department of Mechanical Engineering, Purdue University ,585 Purdue Mall, West Lafayette, Indiana 47907, United States
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11
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Nian Q, Zhang MY, Lin D, Das S, Shin YC, Cheng GJ. Crystalline photoactive copper indium diselenide thin films by pulsed laser crystallization of nanoparticle-inks at ambient conditions. RSC Adv 2015. [DOI: 10.1039/c5ra09718e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Direct pulsed laser crystallization (DPLC) is explored to rapidly crystallize large area coated copper indium diselenide (CIS) nanoparticle-inks.
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Affiliation(s)
- Qiong Nian
- Birck Nanotechnology Center
- Purdue University
- West Lafayette
- USA
- School of Industrial Engineering
| | - Martin Y. Zhang
- Birck Nanotechnology Center
- Purdue University
- West Lafayette
- USA
- School of Industrial Engineering
| | - Dong Lin
- Birck Nanotechnology Center
- Purdue University
- West Lafayette
- USA
- School of Industrial Engineering
| | - Suprem Das
- Birck Nanotechnology Center
- Purdue University
- West Lafayette
- USA
| | - Yung C. Shin
- School of Mechanical Engineering
- Purdue University
- West Lafayette
- USA
| | - Gary J. Cheng
- Birck Nanotechnology Center
- Purdue University
- West Lafayette
- USA
- School of Industrial Engineering
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12
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Ci X, Wu B, Liu Y, Chen G, Wu E, Zeng H. Magnetic-based Fano resonance of hybrid silicon-gold nanocavities in the near-infrared region. OPTICS EXPRESS 2014; 22:23749-23758. [PMID: 25321953 DOI: 10.1364/oe.22.023749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Direct interference between the orthogonal electric and magnetic modes in a hybrid silicon-gold nanocavity is demonstrated to induce a pronounced asymmetric magnetic-based Fano resonance in the total scattering spectrum at near-infrared frequencies. Differing from the previously reported magnetic-based Fano resonances in metal nanoparticle clusters, the narrow discrete mode provided by the silicon magnetic dipole resonance can be directly excited by external illumination, and greatly enhanced electric and magnetic fields are simultaneously obtained at the Fano dip.
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13
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Jiang H, Mao L, Jiang K, Liu C, Zhang D, Lu Y, Wang P, Ming H. Local spectroscopy of silver nanowire in different environments excited with a halogen lamp. OPTICS LETTERS 2014; 39:4707-4710. [PMID: 25121854 DOI: 10.1364/ol.39.004707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We report a propagation spectrum detection system in which one end of a plasmonic silver nanowire is locally illuminated from a normal halogen lamp and the scattered light is recorded spectroscopically at the other end. The system is applied to investigate surface plasmon polariton-Fabry-Perot (SPP-FP) modes of silver nanowires with different lengths at air-glass and oil-glass interfaces. The generalized FP model is used to analyze the spectrum, which fits well with the experimental results. The influence of nanowire length and environment on the properties of the FP resonances is discussed. The propagation spectrum detection system will find applications for integrated optical circuits and plasmonic sensing.
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