1
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Lim MX, VanSaders B, Jaeger HM. Acoustic manipulation of multi-body structures and dynamics. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2024; 87:064601. [PMID: 38670083 DOI: 10.1088/1361-6633/ad43f9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 04/26/2024] [Indexed: 04/28/2024]
Abstract
Sound can exert forces on objects of any material and shape. This has made the contactless manipulation of objects by intense ultrasound a fascinating area of research with wide-ranging applications. While much is understood for acoustic forcing of individual objects, sound-mediated interactions among multiple objects at close range gives rise to a rich set of structures and dynamics that are less explored and have been emerging as a frontier for research. We introduce the basic mechanisms giving rise to sound-mediated interactions among rigid as well as deformable particles, focusing on the regime where the particles' size and spacing are much smaller than the sound wavelength. The interplay of secondary acoustic scattering, Bjerknes forces, and micro-streaming is discussed and the role of particle shape is highlighted. Furthermore, we present recent advances in characterizing non-conservative and non-pairwise additive contributions to the particle interactions, along with instabilities and active fluctuations. These excitations emerge at sufficiently strong sound energy density and can act as an effective temperature in otherwise athermal systems.
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Affiliation(s)
- Melody X Lim
- James Franck Institute, The University of Chicago, Chicago, IL 60637, United States of America
- Department of Physics, The University of Chicago, Chicago, IL 60637, United States of America
| | - Bryan VanSaders
- James Franck Institute, The University of Chicago, Chicago, IL 60637, United States of America
| | - Heinrich M Jaeger
- James Franck Institute, The University of Chicago, Chicago, IL 60637, United States of America
- Department of Physics, The University of Chicago, Chicago, IL 60637, United States of America
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2
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Peterson C, Parker J, Valenton E, Yifat Y, Chen S, Rice SA, Scherer NF. Electrodynamic Interference and Induced Polarization in Nanoparticle-Based Optical Matter Arrays. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2024; 128:7560-7571. [PMID: 38745776 PMCID: PMC11089571 DOI: 10.1021/acs.jpcc.3c08459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 05/16/2024]
Abstract
Optical matter (OM) arrays are self-organizing, ordered arrangements of nanometer- to micrometer-size particles, where interparticle forces are mediated by incident and scattered coherent light. The structures that form and their dynamics depend on the properties (e.g., material, size) of the constituent particles, as well as the incident and scattered light. While significant progress has been made toward understanding how the OM arrays are affected by the phase, polarization, and intensity profile of the incident light, the polarization induced in the particles and the light scattered by OM arrays have received less attention. In this paper, we establish the roles of electrodynamic interference, many-body coupling, and induced-polarization concomitant with the coherent light scattered by OM arrays. Experiments and simulations together demonstrate that the spatial profile and directionality of coherent light scattered by OM arrays in the far field are primarily influenced by interference, while electrodynamic coupling (interactions) and the associated polarization induced in the nanoparticle constituents have a quantitative wavelength-dependent effect on the total amount of light scattered by the arrays. Furthermore, the electrodynamic coupling in silver nanoparticle OM arrays is significantly enhanced by constructive interference and increases superextensively with the number of particles in the array. Particle size, and hence polarizability, also has a significant effect on the strength of the coupling. Finally, we simulate larger hexagonal OM arrays of Ag nanoparticles to demonstrate that the electrodynamic coupling and scattering enhancement observed in small OM arrays develop into surface lattice resonances observed in the infinite array limit. Our work provides insights for designing OM arrays to tune many-body forces and the coherent light that they scatter.
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Affiliation(s)
- Curtis Peterson
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
| | - John Parker
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
- Department of Physics, The University of Chicago, Chicago, Illinois 60637, United States
| | - Emmanuel Valenton
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
| | - Yuval Yifat
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
| | - Shiqi Chen
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
| | - Stuart A Rice
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
| | - Norbert F Scherer
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
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3
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Remembering Zijie Yan─A Master of Light and Matter, with Nanometer Precision. ACS NANO 2023; 17:17597-17599. [PMID: 37750205 DOI: 10.1021/acsnano.3c08506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
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4
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Gonzalez-Garcia MC, Garcia-Fernandez E, Hueso JL, Paulo PMR, Orte A. Optical Binding-Driven Micropatterning and Photosculpting with Silver Nanorods. SMALL METHODS 2023; 7:e2300076. [PMID: 37226694 DOI: 10.1002/smtd.202300076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 04/08/2023] [Indexed: 05/26/2023]
Abstract
Controlling the nano- and micropatterning of metal structures is an important requirement for various technological applications in photonics and biosensing. This work presents a method for controllably creating silver micropatterns by laser-induced photosculpting. Photosculpting is driven by plasmonic interactions between pulsed laser radiation and silver nanorods (AgNRs) in aqueous suspension; this process leads to optical binding forces transporting the AgNRs in the surroundings, while electronic thermalization results in photooxidation, melting, and ripening of the AgNRs into well-defined 3D structures. This work call these structures Airy castles due to their structural similarity with a diffraction-limited Airy disk. The photosculpted Airy castles contain emissive Ag nanoclusters, allowing for the visualization and examination of the aggregation process using luminescence microscopy. This work comprehensively examines the factors that define the photosculpting process, namely, the concentration and shape of the AgNRs, as well as the energy, power, and repetition rate of the laser. Finally, this work investigates the potential applications by measuring the metal-enhanced luminescence of a europium-based luminophore using Airy castles.
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Affiliation(s)
- M Carmen Gonzalez-Garcia
- Nanoscopy-UGR Laboratory, Departamento de Fisicoquímica, University of Granada, Campus Cartuja, 18071, Granada, Spain
| | - Emilio Garcia-Fernandez
- Nanoscopy-UGR Laboratory, Departamento de Fisicoquímica, University of Granada, Campus Cartuja, 18071, Granada, Spain
| | - Jose L Hueso
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Campus Rio Ebro, 50018, Zaragoza, Spain
- Department of Chemical and Environmental Engineering, University of Zaragoza, Campus Rio Ebro, 50018, Zaragoza, Spain
- Networking Res. Center in Biomaterials, Bioengineering and Nanomedicine (CIBER-BBN), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Pedro M R Paulo
- Centro de Química Estrutural, Institute of Molecular Sciences, Instituto Superior Técnico, Universidade de Lisboa, 1049-001, Lisboa, Portugal
| | - Angel Orte
- Nanoscopy-UGR Laboratory, Departamento de Fisicoquímica, University of Granada, Campus Cartuja, 18071, Granada, Spain
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5
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Riccardi M, Martin OJF. Electromagnetic Forces and Torques: From Dielectrophoresis to Optical Tweezers. Chem Rev 2023; 123:1680-1711. [PMID: 36719985 PMCID: PMC9951227 DOI: 10.1021/acs.chemrev.2c00576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Indexed: 02/02/2023]
Abstract
Electromagnetic forces and torques enable many key technologies, including optical tweezers or dielectrophoresis. Interestingly, both techniques rely on the same physical process: the interaction of an oscillating electric field with a particle of matter. This work provides a unified framework to understand this interaction both when considering fields oscillating at low frequencies─dielectrophoresis─and high frequencies─optical tweezers. We draw useful parallels between these two techniques, discuss the different and often unstated assumptions they are based upon, and illustrate key applications in the fields of physical and analytical chemistry, biosensing, and colloidal science.
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Affiliation(s)
- Marco Riccardi
- Nanophotonics and Metrology Laboratory, Swiss Federal Institute of Technology Lausanne (EPFL), EPFL-STI-NAM, Station 11, CH-1015Lausanne, Switzerland
| | - Olivier J. F. Martin
- Nanophotonics and Metrology Laboratory, Swiss Federal Institute of Technology Lausanne (EPFL), EPFL-STI-NAM, Station 11, CH-1015Lausanne, Switzerland
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6
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Tao Y, Yokoyama T, Ishihara H. Rotational dynamics of indirect optical bound particle assembly under a single tightly focused laser. OPTICS EXPRESS 2023; 31:3804-3820. [PMID: 36785364 DOI: 10.1364/oe.479643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 12/28/2022] [Indexed: 06/18/2023]
Abstract
The optical binding of many particles has the potential to achieve the wide-area formation of a "crystal" of small materials. Unlike conventional optical binding, where the entire assembly of targeted particles is directly irradiated with light, if remote particles can be indirectly manipulated using a single trapped particle through optical binding, the degrees of freedom to create ordered structures can be enhanced. In this study, we theoretically investigate the dynamics of the assembly of gold nanoparticles that are manipulated using a single trapped particle by a focused laser. We demonstrate the rotational motion of particles through an indirect optical force and analyze it in terms of spin-orbit coupling and the angular momentum generation of light. The rotational direction of bound particles can be switched by the numerical aperture. These results pave the way for creating and manipulating ordered structures with a wide area and controlling local properties using scanning laser beams.
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7
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Fresno-Hernández A, Marqués MI. Opto-mechanically generated resonant field enhancement. Sci Rep 2022; 12:18292. [PMID: 36316389 PMCID: PMC9622864 DOI: 10.1038/s41598-022-22987-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023] Open
Abstract
A link between the resonant cumulative field enhancement experienced by a chain of plasmonic nanoparticles in a light field and the orientation of the chain with respect to the field is obtained. We calculate analytically the optical torque and the equilibrium configuration and we show how stable orientations are triggered by the geometric resonance conditions. Analytical predictions are checked using numerical calculations based on the coupled dipoles method (CDA) for the particular case of a chain of silver nanoparticles. The reported resonance driven optical torque allows for a tuning of the orientation of the chain depending on radiation's wavelength.
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Affiliation(s)
- Alicia Fresno-Hernández
- Grupo de Displays y Aplicaciones Fotónicas (GDAF), Universidad Carlos III de Madrid (UC3M), 28911, Leganés, Madrid, Spain.
| | - Manuel I Marqués
- Departamento Física de Materiales, IFIMAC and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid (UAM), Ciudad Universitaria de Cantoblanco, C. Francisco Tomás y Valiente, 7, 28049, Madrid, Spain.
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8
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The primeval optical evolving matter by optical binding inside and outside the photon beam. Nat Commun 2022; 13:5325. [PMID: 36088393 PMCID: PMC9464242 DOI: 10.1038/s41467-022-33070-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 08/25/2022] [Indexed: 11/08/2022] Open
Abstract
AbstractOptical binding has recently gained considerable attention because it enables the light-induced assembly of many-body systems; however, this phenomenon has only been described between directly irradiated particles. Here, we demonstrate that optical binding can occur outside the focal spot of a single tightly focused laser beam. By trapping at an interface, we assemble up to three gold nanoparticles with a linear arrangement which fully-occupies the laser focus. The trapping laser is efficiently scattered by this linear alignment and interacts with particles outside the focus area, generating several discrete arc-shape potential wells with a half-wavelength periodicity. Those external nanoparticles inside the arcs show a correlated motion not only with the linear aligned particles, but also between themselves even both are not directly illuminated. We propose that the particles are optically bound outside the focal spot by the back-scattered light and multi-channel light scattering, forming a dynamic optical binding network.
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9
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Chen Z, Cai Z, Liu W, Yan Z. Optical trapping and manipulation for single-particle spectroscopy and microscopy. J Chem Phys 2022; 157:050901. [DOI: 10.1063/5.0086328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Optical tweezers can control the position and orientation of individual colloidal particles in solution. Such control is often desirable but challenging for single-particle spectroscopy and microscopy, especially at the nanoscale. Functional nanoparticles that are optically trapped and manipulated in a three-dimensional (3D) space can serve as freestanding nanoprobes, which provide unique prospects of sensing and mapping the surrounding environment of the nanoparticles and studying their interactions with biological systems. In this perspective, we will first describe the optical forces underlying the optical trapping and manipulation of microscopic particles, then review the combinations and applications of different spectroscopy and microscopy techniques with optical tweezers. Finally, we will discuss the challenges of performing spectroscopy and microscopy on single nanoparticles with optical tweezers, the possible routes to address these challenges, and the new opportunities that will arise.
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Affiliation(s)
- Zhenzhen Chen
- The University of North Carolina at Chapel Hill, United States of America
| | - Zhewei Cai
- Clarkson University, United States of America
| | - Wenbo Liu
- The University of North Carolina at Chapel Hill, United States of America
| | - Zijie Yan
- University of North Carolina at Chapel Hill, United States of America
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10
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Jani R, Das SC, Zahura F, Islam H, Al-Quaderi GD, Mahdy MRC. Plasmonic octamer objects: reversal of near-field optical binding force without the aid of backgrounds. APPLIED OPTICS 2021; 60:10124-10131. [PMID: 34807119 DOI: 10.1364/ao.435982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 10/07/2021] [Indexed: 06/13/2023]
Abstract
In recent years, the near-field optical binding force has gained a lot of interest in the field of optical manipulation. The reversal of the near-field binding force, a new, to the best of our knowledge, kind of optical manipulation, has so far been investigated mostly between dimers and in a very few cases among tetramers by utilizing the help of suitable substrates or backgrounds. Until now, no known way to control the near-field optical binding force among octamer configurations has been found, to our knowledge. In this paper, we propose a plasmonic (silver) octamer configuration where we demonstrate the control and reversal (attraction and repulsion) of the near-field optical binding force of octamers by illuminating the system with a TM polarized Bessel beam. The control of the binding force and its reversal is explained based on the polarization and gradient forces created by the Bessel beam. As the aid of a background or substrate is not required, our proposed simplified approach has the potential to open up novel ways of manipulating multiple particles. Our investigation also implicitly suggests that for future research on controlling the reversal of the near-field optical binding force of multiple particles, Bessel beams can be the appropriate choice instead of plane waves.
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11
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Abstract
In this paper we show analytically and numerically the formation of a near-field stable optical binding between two identical plasmonic particles, induced by an incident plane wave. The equilibrium binding distance is controlled by the angle between the polarization plane of the incoming field and the dimer axis, for which we have calculated an explicit formula. We have found that the condition to achieve stable binding depends on the particle’s dielectric function and happens near the frequency of the dipole plasmonic resonance. The binding stiffness of this stable attaching interaction is four orders of magnitude larger than the usual far-field optical binding and is formed orthogonal to the propagation direction of the incident beam (transverse binding). The binding distance can be further manipulated considering the magneto-optical effect and an equation relating the desired equilibrium distance with the required external magnetic field is obtained. Finally, the effect induced by the proposed binding method is tested using molecular dynamics simulations. Our study paves the way to achieve complete control of near-field binding forces between plasmonic nanoparticles.
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12
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Chen S, Peterson CW, Parker JA, Rice SA, Ferguson AL, Scherer NF. Data-driven reaction coordinate discovery in overdamped and non-conservative systems: application to optical matter structural isomerization. Nat Commun 2021; 12:2548. [PMID: 33953159 PMCID: PMC8099877 DOI: 10.1038/s41467-021-22794-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 03/22/2021] [Indexed: 11/09/2022] Open
Abstract
Optical matter (OM) systems consist of (nano-)particle constituents in solution that can self-organize into ordered arrays that are bound by electrodynamic interactions. They also manifest non-conservative forces, and the motions of the nano-particles are overdamped; i.e., they exhibit diffusive trajectories. We propose a data-driven approach based on principal components analysis (PCA) to determine the collective modes of non-conservative overdamped systems, such as OM structures, and harmonic linear discriminant analysis (HLDA) of time trajectories to estimate the reaction coordinate for structural transitions. We demonstrate the approach via electrodynamics-Langevin dynamics simulations of six electrodynamically-bound nanoparticles in an incident laser beam. The reaction coordinate we discover is in excellent accord with a rigorous committor analysis, and the identified mechanism for structural isomerization is in very good agreement with the experimental observations. The PCA-HLDA approach to data-driven discovery of reaction coordinates can aid in understanding and eventually controlling non-conservative and overdamped systems including optical and active matter systems.
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Affiliation(s)
- Shiqi Chen
- Department of Chemistry, University of Chicago, Chicago, IL, USA
- James Franck Institute, University of Chicago, Chicago, IL, USA
| | - Curtis W Peterson
- Department of Chemistry, University of Chicago, Chicago, IL, USA
- James Franck Institute, University of Chicago, Chicago, IL, USA
| | - John A Parker
- James Franck Institute, University of Chicago, Chicago, IL, USA
- Department of Physics, University of Chicago, Chicago, IL, USA
| | - Stuart A Rice
- Department of Chemistry, University of Chicago, Chicago, IL, USA
- James Franck Institute, University of Chicago, Chicago, IL, USA
| | - Andrew L Ferguson
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA.
| | - Norbert F Scherer
- Department of Chemistry, University of Chicago, Chicago, IL, USA.
- James Franck Institute, University of Chicago, Chicago, IL, USA.
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13
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Huang CH, Kudo T, Bresolí-Obach R, Hofkens J, Sugiyama T, Masuhara H. Surface plasmon resonance effect on laser trapping and swarming of gold nanoparticles at an interface. OPTICS EXPRESS 2020; 28:27727-27735. [PMID: 32988060 DOI: 10.1364/oe.401158] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 08/28/2020] [Indexed: 06/11/2023]
Abstract
Laser trapping at an interface is a unique platform for aligning and assembling nanomaterials outside the focal spot. In our previous studies, Au nanoparticles form a dynamically evolved assembly outside the focus, leading to the formation of an antenna-like structure with their fluctuating swarms. Herein, we unravel the role of surface plasmon resonance on the swarming phenomena by tuning the trapping laser wavelength concerning the dipole mode for Au nanoparticles of different sizes. We clearly show that the swarm is formed when the laser wavelength is near to the resonance peak of the dipole mode together with an increase in the swarming area. The interpretation is well supported by the scattering spectra and the spatial light scattering profiles from single nanoparticle simulations. These findings indicate that whether the first trapped particle is resonant with trapping laser or not essentially determines the evolution of the swarming.
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14
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Lu JS, Wang HY, Kudo T, Masuhara H. Large Submillimeter Assembly of Microparticles with Necklace-like Patterns Formed by Laser Trapping at Solution Surface. J Phys Chem Lett 2020; 11:6057-6062. [PMID: 32658483 DOI: 10.1021/acs.jpclett.0c01602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In colloidal solution, nanoparticles can be optically trapped by a tightly focused laser beam, and they are assembled in a focal spot whose diameter is typically about one micrometer. We herein report that a large submillimeter sized assembly of polystyrene microparticles with necklace-like patterns are prepared by laser trapping at a solution surface. The light propagation outside the focal spot is directly confirmed by 1064 nm backscattering images, and finite difference time domain simulation well supports the idea that an optical potential is expanded outside the focal spot based on light propagation through whispering gallery mode. This demonstration opens a new method for fabrication of a millimeter-order huge assembly by a single tightly focused laser beam.
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Affiliation(s)
- Jia-Syun Lu
- Department of Applied Chemistry, College of Science, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Hsuan-Yin Wang
- Department of Applied Chemistry, College of Science, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Tetsuhiro Kudo
- Department of Applied Chemistry, College of Science, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Hiroshi Masuhara
- Department of Applied Chemistry, College of Science, National Chiao Tung University, Hsinchu 30010, Taiwan
- Center for Emergent Functional Matter Science, National Chiao Tung University, Hsinchu 30010, Taiwan
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15
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Han F, Yan Z. Phase Transition and Self-Stabilization of Light-Mediated Metal Nanoparticle Assemblies. ACS NANO 2020; 14:6616-6625. [PMID: 32422042 DOI: 10.1021/acsnano.9b08015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Light-mediated self-organization of nanoparticles (NPs) offers a route to study mesoscale electrodynamics interactions in many-body systems. Here we report the phase transition and self-stabilization of dynamic assemblies with up to 101 plasmonic metal NPs in optical fields. The spatial stability of self-organized NPs is strongly influenced by the laser intensity and polarization state, where phase transition occurs when the intensity increases and the polarization changes from linear to circular. Well-organized NP arrays can form in a circularly polarized laser beam, where the center of an array is less susceptible to thermal fluctuations than the edge. Moreover, larger arrays are self-protected from fluctuation-induced instability by incorporating more NP constituents. The dynamics of NP arrays can be understood by electrodynamic simulations coupled with thermal fluctuations and by examining their potential energy surfaces. This study clearly reveals the spatial inhomogeneity of optical binding interactions in a two-dimensional multiparticle system, which is important for building large-scale optical matter assemblies with NPs.
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Affiliation(s)
- Fei Han
- Department of Applied Physical Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, New York 13699, United States
| | - Zijie Yan
- Department of Applied Physical Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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16
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Liang Y, Yan S, Wang Z, Li R, Cai Y, He M, Yao B, Lei M. Simultaneous optical trapping and imaging in the axial plane: a review of current progress. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2020; 83:032401. [PMID: 31995793 DOI: 10.1088/1361-6633/ab7175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Optical trapping has become a powerful tool in numerous fields such as biology, physics, chemistry, etc. In conventional optical trapping systems, trapping and imaging share the same objective lens, confining the region of observation to the focal plane. For the capture of optical trapping processes occurring in other planes, especially the axial plane (the one containing the z-axis), many methods have been proposed to achieve this goal. Here, we review the methods of acquiring the axial-plane information from which axial plane trapping is observed and discuss their advantages and limitations. To overcome the limitations existing in these methods, we developed an optical tweezers system that allows for simultaneous optical trapping and imaging in the axial plane. The versatility and usefulness of the system in axial-plane trapping and imaging are demonstrated by investigating its trapping performance with various optical fields, including Bessel, Airy, and snake-like beams. The potential applications of the reported technique are suggested to several research fields, including optical pulling, longitudinal optical binding, tomographic phase microscopy (TPM), and super-resolution microscopy.
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Affiliation(s)
- Yansheng Liang
- Shaanxi Key Laboratory of Quantum Information and Quantum Optoelectronic Devices, School of Science, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
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17
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Zhao C, Shah PJ, Bissell LJ. Laser additive nano-manufacturing under ambient conditions. NANOSCALE 2019; 11:16187-16199. [PMID: 31461093 DOI: 10.1039/c9nr05350f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Additive manufacturing at the macroscale has become a hot topic of research in recent years. It has been used by engineers for rapid prototyping and low-volume production. The development of such technologies at the nanoscale, or additive nanomanufacturing, will provide a future path for new nanotechnology applications. In this review article, we introduce several available toolboxes that can be potentially used for additive nanomanufacturing. We especially focus on laser-based additive nanomanufacturing under ambient conditions.
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Affiliation(s)
- Chenglong Zhao
- Department of Physics, University of Dayton, 300 College Park, Dayton, Ohio 45469-2314, USA. and Department of Electro-Optics and Photonics, University of Dayton, 300 College Park, Dayton, Ohio 45469-2314, USA
| | - Piyush J Shah
- Department of Electro-Optics and Photonics, University of Dayton, 300 College Park, Dayton, Ohio 45469-2314, USA and Materials and Manufacturing Directorate, Air Force Research Laboratory, 2179 12th St, Wright-Patterson AFB, Ohio 45433-7718, USA.
| | - Luke J Bissell
- Materials and Manufacturing Directorate, Air Force Research Laboratory, 2179 12th St, Wright-Patterson AFB, Ohio 45433-7718, USA.
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18
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Chen L, Liu W, Shen D, Liu Y, Zhou Z, Liang X, Wan W. All-optical tunable plasmonic nano-aggregations for surface-enhanced Raman scattering. NANOSCALE 2019; 11:13558-13566. [PMID: 31290520 DOI: 10.1039/c9nr04906a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Interparticle forces play a crucial role in nanoparticle-based nanoscience and nanoengineering for synthesizing new materials, manipulating nanoscale structures, understanding biological processes and ultrasensitive sensing. Complicated by the fluid-dynamical and chemical nature of the liquid environment of nanoparticles, previous attempts are limited to electromagnetic and chemical methods. Alternatively, optically induced forces provide a convenient and fabrication-free route to manipulate nanoparticles at the nanoscale. Here we demonstrate a new double laser trapping scheme for metallic nano-aggregation by inducing strong near-field optical interparticle forces without any chemical agents or complicated fabrication processes. These induced optical forces arising from strong localized plasmon resonance strongly depend on the interparticle separation well beyond the diffraction limit and the polarization of the incident laser field. We examine such sub-resolved interparticle separation in trapped nanoaggregates by measuring surface-enhanced Raman scattering, and further demonstrate the single-molecule sensitivity by implementing such nanostructures. This new technique opens a new avenue for all-optical manipulation of nanomaterials as well as ultra-sensitive bio-chemical sensing applications.
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Affiliation(s)
- Lei Chen
- The State Key Laboratory of Advanced Optical Communication Systems and Networks Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Wei Liu
- The State Key Laboratory of Advanced Optical Communication Systems and Networks Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Dongyi Shen
- The State Key Laboratory of Advanced Optical Communication Systems and Networks Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Yuehan Liu
- MOE Key Laboratory for Laser Plasmas and Collaborative Innovation Center of IFSA, the University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhihao Zhou
- MOE Key Laboratory for Laser Plasmas and Collaborative Innovation Center of IFSA, the University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaogan Liang
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Wenjie Wan
- The State Key Laboratory of Advanced Optical Communication Systems and Networks Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China. and MOE Key Laboratory for Laser Plasmas and Collaborative Innovation Center of IFSA, the University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China
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19
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Yu Y, Xiao TH, Li YX, Zeng QG, Li BQ, Li AZY. Tunable optical assembly of subwavelength particles by a microfiber cavity. NANOTECHNOLOGY 2019; 30:255201. [PMID: 30836343 DOI: 10.1088/1361-6528/ab0cc9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Optical assembly as a multiple optical trapping technique enables patterned arrangements of matter ranging from atoms to microparticles for diverse applications in biophysics, quantum physics, surface chemistry, and cell biology. Optical potential energy landscapes based on evanescent fields are conventionally employed for optical assembly of subwavelength particles, but are typically limited to predefined patterns and lacking in tunability. Here we present a microfiber photonic crystal cavity applicable for tunable optical assembly of subwavelength particles along a flexible path. This is enabled by excellent mechanical flexibility of the microfiber cavity as well as its broadband photonic crystal reflectors. By virtue of the broadband reflectors, the lattice constant of the assembled particles is precisely tunable via altering the wavelength of input light. Three-dimensional optical assembly is also realized by making use of the high-order transverse mode of the microfiber cavity. Moreover, the optical assembly process is detectable by simply monitoring the reflection/transmission spectrum of the microfiber cavity. The design of the microfiber cavity heralds a new way for tunable optical assembly of subwavelength particles, potentially applicable for development of tunable photonic crystals, metamaterials, and sensors.
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Affiliation(s)
- Yang Yu
- School of Applied Physics and Materials, Wuyi University, Jiangmen 529020, People's Republic of China
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20
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Nan F, Yan Z. Tuning Nanoparticle Electrodynamics by an Optical-Matter-Based Laser Beam Shaper. NANO LETTERS 2019; 19:3353-3358. [PMID: 31013096 DOI: 10.1021/acs.nanolett.9b01090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Spatially modulated optical fields provide the perspective of tuning nanoparticle (NP) dynamics in a colloidal suspension. Here, it is shown that the lateral interferometric optical field created by a chain of optically bound Au NPs (i.e., optical matter) can tailor the electrodynamic interactions among more Au NPs. The free-standing NP chain, which is assembled and confined by an auxiliary optical line, shapes the main trapping beam and guides the self-organization of Au NPs under an optimized polarization direction. We find that the NP chain can largely enhance the anisotropic optical binding interaction of two nearby NPs but suppress the anisotropic interaction of multiple NPs, leading to isotropic self-organization. The dynamics and structural transitions of the NPs are well-reproduced in a simulation by using a coupled finite-difference time-domain (FDTD)-Langevin dynamics approach. Our work provides a new dual-beam optical trapping and in situ laser beam shaping approach to study and control interparticle electrodynamic interactions among colloidal NPs.
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Affiliation(s)
- Fan Nan
- Department of Chemical and Biomolecular Engineering , Clarkson University , Potsdam , New York 13699 , United States
| | - Zijie Yan
- Department of Chemical and Biomolecular Engineering , Clarkson University , Potsdam , New York 13699 , United States
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21
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Nan F, Yan Z. Light‐Driven Self‐Healing of Nanoparticle‐Based Metamolecules. Angew Chem Int Ed Engl 2019; 58:4917-4922. [DOI: 10.1002/anie.201814060] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Fan Nan
- Department of Chemical and Biomolecular Engineering Clarkson University Potsdam NY 13699 USA
| | - Zijie Yan
- Department of Chemical and Biomolecular Engineering Clarkson University Potsdam NY 13699 USA
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22
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Affiliation(s)
- Fan Nan
- Department of Chemical and Biomolecular Engineering Clarkson University Potsdam NY 13699 USA
| | - Zijie Yan
- Department of Chemical and Biomolecular Engineering Clarkson University Potsdam NY 13699 USA
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23
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Brzobohatý O, Chvátal L, Zemánek P. Optomechanical properties of optically self-arranged colloidal waveguides. OPTICS LETTERS 2019; 44:707-710. [PMID: 30702716 DOI: 10.1364/ol.44.000707] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 12/27/2018] [Indexed: 06/09/2023]
Abstract
When a suspension of wavelength-sized polystyrene spheres is illuminated with non-interfering counter-propagating Gaussian beams, the particles self-arrange into a colloidal waveguide (CWG). Mutual force interaction among particles is mediated by scattered light, referred to as the optical binding. We analyzed the longitudinal and lateral motion of particles in such CWGs made of an increasing number of particles with diameters of either 520 or 657 nm. We observed the enhancement of the binding stiffness of neighboring particles by more than an order of magnitude. This enhancement is done by optical means, mainly due to a local increase of optical intensity due to multiple light scattering in an optically bound structure.
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24
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Yifat Y, Coursault D, Peterson CW, Parker J, Bao Y, Gray SK, Rice SA, Scherer NF. Reactive optical matter: light-induced motility in electrodynamically asymmetric nanoscale scatterers. LIGHT, SCIENCE & APPLICATIONS 2018; 7:105. [PMID: 30564311 PMCID: PMC6289991 DOI: 10.1038/s41377-018-0105-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 11/06/2018] [Accepted: 11/23/2018] [Indexed: 05/07/2023]
Affiliation(s)
- Yuval Yifat
- James Franck Institute, The University of Chicago, 929 E. 57th Street, Chicago, IL 60637 USA
| | - Delphine Coursault
- James Franck Institute, The University of Chicago, 929 E. 57th Street, Chicago, IL 60637 USA
- Present Address: Université Bordeaux, CNRS LOMA, UMR 5798, F-33400 Talence, France
| | - Curtis W. Peterson
- James Franck Institute, The University of Chicago, 929 E. 57th Street, Chicago, IL 60637 USA
- Department of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, IL 60637 USA
| | - John Parker
- James Franck Institute, The University of Chicago, 929 E. 57th Street, Chicago, IL 60637 USA
- Department of Physics, The University of Chicago, 929 East 57th Street, Chicago, IL 60637 USA
| | - Ying Bao
- James Franck Institute, The University of Chicago, 929 E. 57th Street, Chicago, IL 60637 USA
- Department of Chemistry, Western Washington University, 516 High Street, Bellingham, WA 98225 USA
| | - Stephen K. Gray
- Center for Nanoscale Materials, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439 USA
| | - Stuart A. Rice
- James Franck Institute, The University of Chicago, 929 E. 57th Street, Chicago, IL 60637 USA
- Department of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, IL 60637 USA
| | - Norbert F. Scherer
- James Franck Institute, The University of Chicago, 929 E. 57th Street, Chicago, IL 60637 USA
- Department of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, IL 60637 USA
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25
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Han F, Parker JA, Yifat Y, Peterson C, Gray SK, Scherer NF, Yan Z. Crossover from positive to negative optical torque in mesoscale optical matter. Nat Commun 2018; 9:4897. [PMID: 30459430 PMCID: PMC6244235 DOI: 10.1038/s41467-018-07376-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 10/25/2018] [Indexed: 01/26/2023] Open
Abstract
The photons in circularly polarized light can transfer their quantized spin angular momentum to micro- and nanostructures via absorption and scattering. This normally exerts positive torque on the objects wher the sign (i.e., handedness or angular direction) follows that of the spin angular momentum. Here we show that the sign of the optical torque can be negative in mesoscopic optical matter arrays of metal nanoparticles (NPs) assembled in circularly polarized optical traps. Crossover from positive to negative optical torque, which occurs for arrays with different number, separation and configuration of the constituent particles, is shown to result from many-body interactions as clarified by electrodynamics simulations. Our results establish that both positive and negative optical torque can be readily realized and controlled in optical matter arrays. This property and reconfigurability of the arrays makes possible programmable materials for optomechanical, microrheological and biological applications.
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Affiliation(s)
- Fei Han
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, NY, 13699, USA
| | - John A Parker
- James Franck Institute, The University of Chicago, Chicago, IL, 60637, USA
- Department of Physics, The University of Chicago, Chicago, IL, 60637, USA
| | - Yuval Yifat
- James Franck Institute, The University of Chicago, Chicago, IL, 60637, USA
| | - Curtis Peterson
- James Franck Institute, The University of Chicago, Chicago, IL, 60637, USA
- Department of Chemistry, The University of Chicago, Chicago, IL, 60637, USA
| | - Stephen K Gray
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL, 60439, USA
| | - Norbert F Scherer
- James Franck Institute, The University of Chicago, Chicago, IL, 60637, USA
- Department of Chemistry, The University of Chicago, Chicago, IL, 60637, USA
| | - Zijie Yan
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, NY, 13699, USA.
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26
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Nan F, Han F, Scherer NF, Yan Z. Dissipative Self-Assembly of Anisotropic Nanoparticle Chains with Combined Electrodynamic and Electrostatic Interactions. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1803238. [PMID: 30239041 DOI: 10.1002/adma.201803238] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 07/24/2018] [Indexed: 06/08/2023]
Abstract
Dissipative self-assembly of colloidal nanoparticles offers the prospect of creating reconfigurable artificial materials and systems, yet the phenomenon only occurs far from thermodynamic equilibrium. Therefore, it is usually difficult to predict and control. Here, a dissipative colloidal solution system, where anisotropic chains with different interparticle separations in two perpendicular directions transiently arise among largely disordered silver nanoparticles illuminated by a laser beam, is reported. The optical field creates a nonequilibrium dissipative state, where a disorder-to-order transition occurs driven by anisotropic electrodynamic interactions coupled with electrostatic interactions. Investigation of the temporal dynamics and spatial arrangements of the nanoparticle system shows that the optical binding strength and entropy of the system are two crucial parameters for the formation of the anisotropic chains and responsible for adaptive behaviors, such as self-replication of dimer units. Formation of anisotropic nanoparticle chains is also observed among colloidal nanoparticles made from other metal (e.g., Au), polymer (e.g., polystyrene), ceramic (e.g., CeO2 ), and hybrid materials (e.g., SiO2 @Au core-shell), suggesting that light-driven self-organization will provide a wide range of opportunities to discover new dissipative structures under thermal fluctuations and build novel anisotropic materials with nanoscale order.
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Affiliation(s)
- Fan Nan
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, NY, 13699, USA
| | - Fei Han
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, NY, 13699, USA
| | - Norbert F Scherer
- James Franck Institute and Department of Chemistry, The University of Chicago, Chicago, IL, 60637, USA
| | - Zijie Yan
- Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, NY, 13699, USA
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27
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Liaw JW, Huang MC, Chao HY, Kuo MK. Spin and Orbital Rotation of Plasmonic Dimer Driven by Circularly Polarized Light. NANOSCALE RESEARCH LETTERS 2018; 13:322. [PMID: 30315377 PMCID: PMC6185878 DOI: 10.1186/s11671-018-2739-3] [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: 08/18/2018] [Accepted: 10/01/2018] [Indexed: 06/08/2023]
Abstract
The plasmon-enhanced spin and orbital rotation of Au dimer, two optically bound nanoparticles (NPs), induced by a circularly polarized (CP) light (plane wave or Gaussian beam) were studied theoretically. Through the optomechanical performances of optical forces and torques, the longitudinal/transverse spin-orbit coupling (SOC) of twisted electromagnetic fields was investigated. The optical forces show that for the long-range interaction, there exist some stable-equilibrium orbits for rotation, where the stable-equilibrium interparticle distances are nearly the integer multiples of wavelength in medium. In addition, the optical spin torque drives each NP to spin individually. For a plane wave, the helicities of the longitudinal spin and orbital rotation of the coupled NPs are the same at the stable-equilibrium orbit, consistent with the handedness of plane wave. In contrast, for a focused Gaussian beam, the helicity of the orbital rotation of dimer could be opposite to the handedness of the incident light due to the negative optical orbital torque at the stable-equilibrium interparticle distance; additionally, the transverse spin of each NP becomes profound. These results demonstrate that the longitudinal/transverse SOC is significantly induced due to the twisted optical field. For the short-range interaction, the mutual attraction between two NPs is induced, associated with the spinning and spiral trajectory; eventually, the two NPs will collide. The borderline of the interparticle distance between the long-range and short-range interactions is approximately at a half-wavelength in medium.
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Affiliation(s)
- Jiunn-Woei Liaw
- Department of Mechanical Engineering, Chang Gung University, 259 Wen-Hwa 1st Rd., Kwei-Shan, Guishan District, Taoyuan City, 33302 Taiwan
- Department of Mechanical Engineering, Ming Chi University of Technology, Taishan District, New Taipei City, 24301 Taiwan
- Medical Physics Research Center, Institute for Radiological Research, Chang Gung University and Chang Gung Memorial Hospital, Linkou, Taiwan
- Center for Advanced Molecular Imaging and Translation, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Mao-Chang Huang
- Institute of Applied Mechanics, National Taiwan University, Taipei, 106 Taiwan
| | - Hsueh-Yu Chao
- Institute of Applied Mechanics, National Taiwan University, Taipei, 106 Taiwan
| | - Mao-Kuen Kuo
- Institute of Applied Mechanics, National Taiwan University, Taipei, 106 Taiwan
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28
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Kudo T, Yang SJ, Masuhara H. A Single Large Assembly with Dynamically Fluctuating Swarms of Gold Nanoparticles Formed by Trapping Laser. NANO LETTERS 2018; 18:5846-5853. [PMID: 30071730 DOI: 10.1021/acs.nanolett.8b02519] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Laser trapping has been utilized as tweezers to three-dimensionally trap nanoscale objects and has provided significant impacts in nanoscience and nanotechnology. The objects are immobilized at the position where the tightly focused laser beam is irradiated. Here, we report the swarming of gold nanoparticles in which component nanoparticles dynamically interact with each other, keeping their long interparticle distance around the trapping laser focus at a glass/solution interface. A pair of swarms are directionally extended outside the focal spot perpendicular to the linear polarization like a radiation pattern of dipole scattering, while a doughnut-shaped swarm is prepared by circularly polarized trapping laser. The light field is expanded as scattered light through trapped nanoparticles; this modified light field further traps the nanoparticles, and scattering and trapping cooperatively develop. Due to these nonlinear dynamic processes, the dynamically fluctuating swarms are evolved up to tens of micrometers. This finding will open the way to create various swarms of nanoscale objects that interact and bind through the scattered light depending on the properties of the laser beam and the nanomaterials.
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Affiliation(s)
- Tetsuhiro Kudo
- Department of Applied Chemistry, College of Science , National Chiao Tung University , Hsinchu 30010 , Taiwan
| | - Shang-Jan Yang
- Department of Applied Chemistry, College of Science , National Chiao Tung University , Hsinchu 30010 , Taiwan
| | - Hiroshi Masuhara
- Department of Applied Chemistry, College of Science , National Chiao Tung University , Hsinchu 30010 , Taiwan
- Center for Emergent Functional Matter Science , National Chiao Tung University , Hsinchu 30010 , Taiwan
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29
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Nan F, Yan Z. Sorting Metal Nanoparticles with Dynamic and Tunable Optical Driven Forces. NANO LETTERS 2018; 18:4500-4505. [PMID: 29939760 DOI: 10.1021/acs.nanolett.8b01672] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Precise sorting of colloidal nanoparticles is a challenging yet necessary task for size-specific applications of nanoparticles in nanophotonics and biochemistry. Here we present a new strategy for all-optical sorting of metal nanoparticles with dynamic and tunable optical driven forces generated by phase gradients of light. Size-dependent optical forces arising from the phase gradients of optical line traps can drive nanoparticles of different sizes with different velocities in solution, leading to their separation along the line traps. By using a sequential combination of optical lines to create differential trapping potentials, we realize precise sorting of silver and gold nanoparticles in the diameter range of 70-150 nm with a resolution down to 10 nm. Separation of the nanoparticles agrees with the analysis of optical forces acting on them and with simulations of their kinetic motions. The results provide new insights into all-optical nanoparticle manipulation and separation and reveal that there is still room to sort smaller nanoparticle with nanometer precision using dynamic phase-gradient forces.
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Affiliation(s)
- Fan Nan
- Department of Chemical and Biomolecular Engineering , Clarkson University , Potsdam , New York 13699 , United States
| | - Zijie Yan
- Department of Chemical and Biomolecular Engineering , Clarkson University , Potsdam , New York 13699 , United States
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30
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Figliozzi P, Peterson CW, Rice SA, Scherer NF. Direct Visualization of Barrier Crossing Dynamics in a Driven Optical Matter System. ACS NANO 2018; 12:5168-5175. [PMID: 29694025 DOI: 10.1021/acsnano.8b02012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A major impediment to a more complete understanding of barrier crossing and other single-molecule processes is the inability to directly visualize the trajectories and dynamics of atoms and molecules in reactions. Rather, the kinetics are inferred from ensemble measurements or the position of a transducer ( e. g., an AFM cantilever) as a surrogate variable. Direct visualization is highly desirable. Here, we achieve the direct measurement of barrier crossing trajectories by using optical microscopy to observe position and orientation changes of pairs of Ag nanoparticles, i. e. passing events, in an optical ring trap. A two-step mechanism similar to a bimolecular exchange reaction or the Michaelis-Menten scheme is revealed by analysis that combines detailed knowledge of each trajectory, a statistically significant number of repetitions of the passing events, and the driving force dependence of the process. We find that while the total event rate increases with driving force, this increase is due to an increase in the rate of encounters. There is no drive force dependence on the rate of barrier crossing because the key motion for the process involves a random (thermal) radial fluctuation of one particle allowing the other to pass. This simple experiment can readily be extended to study more complex barrier crossing processes by replacing the spherical metal nanoparticles with anisotropic ones or by creating more intricate optical trapping potentials.
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Affiliation(s)
- Patrick Figliozzi
- Department of Chemistry and James Franck Institute , The University of Chicago , 929 E. 57th Street , Chicago , Illinois 60637 , United States
| | - Curtis W Peterson
- Department of Chemistry and James Franck Institute , The University of Chicago , 929 E. 57th Street , Chicago , Illinois 60637 , United States
| | - Stuart A Rice
- Department of Chemistry and James Franck Institute , The University of Chicago , 929 E. 57th Street , Chicago , Illinois 60637 , United States
| | - Norbert F Scherer
- Department of Chemistry and James Franck Institute , The University of Chicago , 929 E. 57th Street , Chicago , Illinois 60637 , United States
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31
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Coursault D, Sule N, Parker J, Bao Y, Scherer NF. Dynamics of the Optically Directed Assembly and Disassembly of Gold Nanoplatelet Arrays. NANO LETTERS 2018; 18:3391-3399. [PMID: 29717877 DOI: 10.1021/acs.nanolett.8b00199] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The tremendous progress in nanoscience now allows the creation of static nanostructured materials for a broad range of applications. A further goal is to achieve dynamic and reconfigurable nanostructures. One approach involves nanoparticle-based optical matter, but so far, studies have only considered spherical constituents. A nontrivial issue is that nanoparticles with other shapes are expected to have different local electromagnetic field distributions and interactions with neighbors in optical-matter arrays. Therefore, one would expect their dynamics to be different as well. This paper reports the directed assembly of ordered arrays of gold nanoplatelets in optical line traps, demonstrating the reconfigurability of the array by altering the phase gradient via holographic-beam shaping. The weaker gradient forces and resultant slower motion of the nanoplatelets, as compared with plasmonic (Ag and Au) nanospheres, allow the precise study of their assembly and disassembly dynamics. Both temporal and spatial correlations are detected between particles separated by distances of hundreds of nanometers to several microns. Electrodynamics simulations reveal the presence of multipolar plasmon modes that induce short-range (near-field) and longer-range electrodynamic (e.g., optical binding) interactions. These interactions and the interferences between mutipolar plamon modes cause both the strong correlations and the nonuniform dynamics observed. Our study demonstrates new opportunities for the generation of complex addressable optical matter and the creation of novel active optical technology.
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Affiliation(s)
- Delphine Coursault
- James Franck Institute, University of Chicago , Chicago , Illinois 60637 , United States
| | - Nishant Sule
- James Franck Institute, University of Chicago , Chicago , Illinois 60637 , United States
| | - John Parker
- James Franck Institute, University of Chicago , Chicago , Illinois 60637 , United States
| | - Ying Bao
- James Franck Institute, University of Chicago , Chicago , Illinois 60637 , United States
- Department of Chemistry , Western Washington University , Bellingham , Washington 98225 , United States
| | - Norbert F Scherer
- James Franck Institute, University of Chicago , Chicago , Illinois 60637 , United States
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32
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Nan F, Yan Z. Probing Spatiotemporal Stability of Optical Matter by Polarization Modulation. NANO LETTERS 2018; 18:1396-1401. [PMID: 29378143 DOI: 10.1021/acs.nanolett.7b05128] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Light-driven self-organization of plasmonic nanoparticles via optical binding interactions offers a unique route to assemble mesoscale photonic clusters and chains. However, stability becomes an issue when more nanoparticles are added into the clusters and chains, since the theoretical optical binding strength is inhomogeneous and anisotropic in optical matter systems. Here we study the spatiotemporal stability of optical matter chains self-organized by two to eight ultrauniform gold nanospheres in a linearly polarized optical line trap. Perturbations are introduced into the nanosphere chains by periodically switching the polarization to be either parallel or perpendicular to the orientation of the chains, where the spatial and temporal variation of optical binding strength has been revealed. In addition, we found that the average oscillation amplitude and stability of the particles can be tuned by the frequency of polarization modulation. These results demonstrate a new way to study and improve the stability of optical matter and provide a promising strategy in engineering optical forces at the mesoscale.
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Affiliation(s)
- Fan Nan
- Department of Chemical and Biomolecular Engineering, Clarkson University , Potsdam, New York 13699, United States
| | - Zijie Yan
- Department of Chemical and Biomolecular Engineering, Clarkson University , Potsdam, New York 13699, United States
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33
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McCormack P, Han F, Yan Z. Self-Organization of Metal Nanoparticles in Light: Electrodynamics-Molecular Dynamics Simulations and Optical Binding Experiments. J Phys Chem Lett 2018; 9:545-549. [PMID: 29337570 DOI: 10.1021/acs.jpclett.7b03188] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Light-driven self-organization of metal nanoparticles (NPs) can lead to unique optical matter systems, yet simulation of such self-organization (i.e., optical binding) is a complex computational problem that increases nonlinearly with system size. Here we show that a combined electrodynamics-molecular dynamics simulation technique can simulate the trajectories and predict stable configurations of silver NPs in optical fields. The simulated dynamic equilibrium of a two-NP system matches the probability density of oscillations for two optically bound NPs obtained experimentally. The predicted stable configurations for up to eight NPs are further compared to experimental observations of silver NP clusters formed by optical binding in a Bessel beam. All configurations are confirmed to form in real systems, including pentagonal clusters with five-fold symmetry. Our combined simulations and experiments have revealed a diverse optical matter system formed by anisotropic optical binding interactions, providing a new strategy to discover artificial materials.
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Affiliation(s)
- Patrick McCormack
- Department of Chemical and Biomolecular Engineering, Clarkson University , Potsdam, New York 13699, United States
| | - Fei Han
- Department of Chemical and Biomolecular Engineering, Clarkson University , Potsdam, New York 13699, United States
| | - Zijie Yan
- Department of Chemical and Biomolecular Engineering, Clarkson University , Potsdam, New York 13699, United States
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34
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Vallotton P, van Oijen AM, Whitchurch CB, Gelfand V, Yeo L, Tsiavaliaris G, Heinrich S, Dultz E, Weis K, Grünwald D. Diatrack particle tracking software: Review of applications and performance evaluation. Traffic 2017; 18:840-852. [PMID: 28945316 PMCID: PMC5677553 DOI: 10.1111/tra.12530] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 09/21/2017] [Accepted: 09/21/2017] [Indexed: 12/24/2022]
Abstract
Object tracking is an instrumental tool supporting studies of cellular trafficking. There are three challenges in object tracking: the identification of targets; the precise determination of their position and boundaries; and the assembly of correct trajectories. This last challenge is particularly relevant when dealing with densely populated images with low signal-to-noise ratios-conditions that are often encountered in applications such as organelle tracking, virus particle tracking or single-molecule imaging. We have developed a set of methods that can handle a wide variety of signal complexities. They are compiled into a free software package called Diatrack. Here we review its main features and utility in a range of applications, providing a survey of the dynamic imaging field together with recommendations for effective use. The performance of our framework is shown to compare favorably to a wide selection of custom-developed algorithms, whether in terms of localization precision, processing speed or correctness of tracks.
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Affiliation(s)
| | | | | | - Vladimir Gelfand
- Northwestern University Feinberg School of Medicine, Department of Cell and Molecular Biology, Chicago, IL 60611, USA
| | | | | | | | - Elisa Dultz
- ETH Zürich, Institute of Biochemistry, Zürich, Switzerland
| | - Karsten Weis
- ETH Zürich, Institute of Biochemistry, Zürich, Switzerland
| | - David Grünwald
- University of Massachusetts Medical School, RNA Therapeutics Institute and Department of Biochemistry and Molecular Pharmacology, Worcester MA, USA
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35
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Analysis and correction of errors in nanoscale particle tracking using the Single-pixel interior filling function (SPIFF) algorithm. Sci Rep 2017; 7:16553. [PMID: 29185459 PMCID: PMC5707392 DOI: 10.1038/s41598-017-14166-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 10/05/2017] [Indexed: 11/09/2022] Open
Abstract
Particle tracking, which is an essential tool in many fields of scientific research, uses algorithms that retrieve the centroid of tracked particles with sub-pixel accuracy. However, images in which the particles occupy a small number of pixels on the detector, are in close proximity to other particles or suffer from background noise, show a systematic error in which the particle sub-pixel positions are biased towards the center of the pixel. This "pixel locking" effect greatly reduces particle tracking accuracy. In this report, we demonstrate the severity of these errors by tracking experimental (and simulated) imaging data of optically trapped silver nanoparticles and single fluorescent proteins. We show that errors in interparticle separation, angle and mean square displacement are significantly reduced by applying the corrective Single-Pixel Interior Filling Function (SPIFF) algorithm. Our work demonstrates the potential ubiquity of such errors and the general applicability of SPIFF correction to many experimental fields.
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36
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Wang M, Qiu C, Zhang S, Han R, Ke M, Liu Z. Sound-mediated stable configurations for polystyrene particles. Phys Rev E 2017; 96:052604. [PMID: 29347641 DOI: 10.1103/physreve.96.052604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Indexed: 06/07/2023]
Abstract
Here we report an experimental observation of the self-organization effect of polystyrene particles formed by acoustically induced interaction forces. Two types of stable configurations are observed experimentally: one is mechanically equilibrium and featured by nonzero interparticle separations, and the other corresponds to a closely packed assembly, which is created by strong attractions among the aggregated particles. For the former case involving two or three particles, the most probable interparticle separations (counted for numerous independent initial arrangements) agree well with the theoretical predictions. For the latter case, the number of the final stable configurations grows with the particle number, and the occurrence probability of each configuration is interpreted by a simple geometric model.
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Affiliation(s)
- Mudi Wang
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Chunyin Qiu
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Shenwei Zhang
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Runzhou Han
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Manzhu Ke
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Zhengyou Liu
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
- Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
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37
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Gao D, Ding W, Nieto-Vesperinas M, Ding X, Rahman M, Zhang T, Lim C, Qiu CW. Optical manipulation from the microscale to the nanoscale: fundamentals, advances and prospects. LIGHT, SCIENCE & APPLICATIONS 2017; 6:e17039. [PMID: 30167291 PMCID: PMC6062326 DOI: 10.1038/lsa.2017.39] [Citation(s) in RCA: 166] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 02/28/2017] [Accepted: 03/07/2017] [Indexed: 05/07/2023]
Abstract
Since the invention of optical tweezers, optical manipulation has advanced significantly in scientific areas such as atomic physics, optics and biological science. Especially in the past decade, numerous optical beams and nanoscale devices have been proposed to mechanically act on nanoparticles in increasingly precise, stable and flexible ways. Both the linear and angular momenta of light can be exploited to produce optical tractor beams, tweezers and optical torque from the microscale to the nanoscale. Research on optical forces helps to reveal the nature of light-matter interactions and to resolve the fundamental aspects, which require an appropriate description of momenta and the forces on objects in matter. In this review, starting from basic theories and computational approaches, we highlight the latest optical trapping configurations and their applications in bioscience, as well as recent advances down to the nanoscale. Finally, we discuss the future prospects of nanomanipulation, which has considerable potential applications in a variety of scientific fields and everyday life.
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Affiliation(s)
- Dongliang Gao
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
- College of Physics, Optoelectronics and Energy, Soochow University, Suzhou 215006, China
| | - Weiqiang Ding
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Manuel Nieto-Vesperinas
- Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Campus de Cantoblanco, Madrid 28049, Spain
| | - Xumin Ding
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
| | - Mahdy Rahman
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
- Department of Electrical and Computer Engineering, North South University, Dhaka 1229, Bangladesh
| | - Tianhang Zhang
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore 117456, Singapore
| | - ChweeTeck Lim
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore 117456, Singapore
- Department of Mechanical Engineering, National University of Singapore, Singapore 117576, Singapore
| | - Cheng-Wei Qiu
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore 117456, Singapore
- SZU-NUS Collaborative Innovation Center for Optoelectronic Science and Technology, Shenzhen University, Shenzhen 518060, China
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38
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Simpson SH, Zemánek P, Maragò OM, Jones PH, Hanna S. Optical Binding of Nanowires. NANO LETTERS 2017; 17:3485-3492. [PMID: 28535340 DOI: 10.1021/acs.nanolett.7b00494] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Multiple scattering of light induces structured interactions, or optical binding forces, between collections of small particles. This has been extensively studied in the case of microspheres. However, binding forces are strongly shape dependent: here, we turn our attention to dielectric nanowires. Using a novel numerical model we uncover rich behavior. The extreme geometry of the nanowires produces a sequence of stationary and dynamic states. In linearly polarized light, thermally stable ladder-like structures emerge. Lower symmetry, sagittate arrangements can also arise, whose configurational asymmetry unbalances the optical forces leading to nonconservative, translational motion. Finally, the addition of circular polarization drives a variety of coordinated rotational states whose dynamics expose fundamental properties of optical spin. These results suggest that optical binding can provide an increased level of control over the positions and motions of nanoparticles, opening new possibilities for driven self-organization and heralding a new field of self-assembling optically driven micromachines.
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Affiliation(s)
- Stephen H Simpson
- Institute of Scientific Instruments of the CAS , Kràlovopolskà 147, 612 64 Brno, Czech Republic
| | - Pavel Zemánek
- Institute of Scientific Instruments of the CAS , Kràlovopolskà 147, 612 64 Brno, Czech Republic
| | - Onofrio M Maragò
- CNR-IPCF, Istituto per i Processi Chimico-Fisici, Consiglio Nazionale delle Ricerche , Viale F. Stagno D'Alcontres 37, I-98158 Messina, Italy
| | - Philip H Jones
- Department of Physics and Astronomy, University College London , Gower Street, London WC1E 6BT, U.K
| | - Simon Hanna
- H. H. Wills Physics Laboratory, University of Bristol , Tyndall Avenue, Bristol BS8 1TL, U.K
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39
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Karásek V, Šiler M, Brzobohatý O, Zemánek P. Dynamics of an optically bound structure made of particles of unequal sizes. OPTICS LETTERS 2017; 42:1436-1439. [PMID: 28362787 DOI: 10.1364/ol.42.001436] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This theoretical study based on the coupled dipoles model focuses on the dynamics of two optically bound dielectric spheres of unequal sizes confined in counter-propagating incoherent Bessel beams. We analyzed the relative motion of the particles with respect to each other and defined conditions where they form a stable optically bound structure (OBS). We also investigated the motion of the center of mass of the OBS and found that its direction depends on the particle separation in the structure. Besides the optical interaction between objects, we also considered a hydrodynamic coupling in order to obtain more precise results for moving an OBS.
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40
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Figliozzi P, Sule N, Yan Z, Bao Y, Burov S, Gray SK, Rice SA, Vaikuntanathan S, Scherer NF. Driven optical matter: Dynamics of electrodynamically coupled nanoparticles in an optical ring vortex. Phys Rev E 2017; 95:022604. [PMID: 28298004 DOI: 10.1103/physreve.95.022604] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Indexed: 11/07/2022]
Abstract
To date investigations of the dynamics of driven colloidal systems have focused on hydrodynamic interactions and often employ optical (laser) tweezers for manipulation. However, the optical fields that provide confinement and drive also result in electrodynamic interactions that are generally neglected. We address this issue with a detailed study of interparticle dynamics in an optical ring vortex trap using 150-nm diameter Ag nanoparticles. We term the resultant electrodynamically interacting nanoparticles a driven optical matter system. We also show that a superior trap is created by using a Au nanoplate mirror in a retroreflection geometry, which increases the electric field intensity, the optical drive force, and spatial confinement. Using nanoparticles versus micron sized colloids significantly reduces the surface hydrodynamic friction allowing us to access small values of optical topological charge and drive force. We quantify a further 50% reduction of hydrodynamic friction when the nanoparticles are driven over the Au nanoplate mirrors versus over a mildly electrostatically repulsive glass surface. Further, we demonstrate through experiments and electrodynamics-Langevin dynamics simulations that the optical drive force and the interparticle interactions are not constant around the ring for linearly polarized light, resulting in a strong position-dependent variation in the nanoparticle velocity. The nonuniformity in the optical drive force is also manifest as an increase in fluctuations of interparticle separation, or effective temperature, as the optical driving force is increased. Finally, we resolve an open issue in the literature on periodic modulation of interparticle separation with comparative measurements of driven 300-nm-diameter polystyrene beads that also clearly reveal the significance of electrodynamic forces and interactions in optically driven colloidal systems. Therefore, the modulations in the optical forces and electrodynamic interactions that we demonstrate should not be neglected for dielectric particles and might give rise to some structural and dynamic features that have previously been attributed exclusively to hydrodynamic interactions.
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Affiliation(s)
- Patrick Figliozzi
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, USA
| | - Nishant Sule
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
| | - Zijie Yan
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
| | - Ying Bao
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
| | - Stanislav Burov
- James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
| | - Stephen K Gray
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, Illinois 60439, USA
| | - Stuart A Rice
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, USA.,James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
| | - Suriyanarayanan Vaikuntanathan
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, USA.,James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
| | - Norbert F Scherer
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, USA.,James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
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41
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Han X, Luo H, Xiao G, Jones PH. Optically bound colloidal lattices in evanescent optical fields. OPTICS LETTERS 2016; 41:4935-4938. [PMID: 27805654 DOI: 10.1364/ol.41.004935] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this Letter, we demonstrate the formation of a stable two-dimensional lattice of colloidal particles in the interference pattern formed by four evanescent optical fields at a dielectric interface. The microspheres are observed to form a two-dimensional square lattice with lattice vectors inclined relative to the beam propagation directions. We use digital video microscopy and particle tracking to measure the Brownian motion of particles bound in the lattice, and use this to characterize fluctuations in the local ordering of particles using the bond orientational order parameter, the probability distribution of which is shown to be a chi-squared distribution. An explanation for the form of this distribution is presented in terms of fluctuations of the modes of a ring of particles connected by springs.
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42
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Iida C, Akai K, Murakami J, Futamata M. Gap mode induced laser trapping of silver nanoparticles on thiophenol-covered silver substrates. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2016.05.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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43
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Wang H, Zhang YL, Xia H, Chen QD, Lee KS, Sun HB. Photodynamic assembly of nanoparticles towards designable patterning. NANOSCALE HORIZONS 2016; 1:201-211. [PMID: 32260622 DOI: 10.1039/c5nh00065c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Recent advancements in nanotechnology have continued to stimulate the development of functional devices based on nanomaterials. However, the controllable assembly of these tiny nanomaterials into functional structures is still a big challenge for further applications; nowhere is this more obvious than in the field of nanodevices. Currently, despite the fact that self-assembly technologies have revealed great potential to reach this end, serious problems with respect to morphology control, designable assembly and even flexible patterning set huge obstacles to the fabrication of functional devices. Nowadays, in addition to self-assembly technologies that make use of interaction forces between different objects, photodynamic assembly (PDA) technology has emerged as a promising route to architect functional materials with the help of optical driving forces towards device fabrication. In this review, we summarize the recent developments in PDA technology for the designable patterning of nanoparticles (NPs). The basic fundamentals of PDA that resort to optical trapping (OT) and typical examples regarding far-field/near-field OT for the PDA of various NPs have been reviewed. In particular, femtosecond laser induced photodynamic assembly (FsL-PDA), which enables the designable patterning of NPs through a direct writing manner, has been introduced. Finally, the current challenges and future prospects of this dynamic field are discussed based on our own opinions.
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Affiliation(s)
- Huan Wang
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China.
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44
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Zhang L, Dou X, Min C, Zhang Y, Du L, Xie Z, Shen J, Zeng Y, Yuan X. In-plane trapping and manipulation of ZnO nanowires by a hybrid plasmonic field. NANOSCALE 2016; 8:9756-63. [PMID: 27117313 DOI: 10.1039/c5nr08940a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
In general, when a semiconductor nanowire is trapped by conventional laser beam tweezers, it tends to be aligned with the trapping beam axis rather than confined in the horizontal plane, and this limits the application of these nanowires in many in-plane nanoscale optoelectronic devices. In this work, we achieve the in-plane trapping and manipulation of a single ZnO nanowire by a hybrid plasmonic tweezer system on a flat metal surface. The gap between the nanowire and the metallic substrate leads to an enhanced gradient force caused by deep subwavelength optical energy confinement. As a result, the nanowire can be securely trapped in-plane at the center of the excited surface plasmon polariton field, and can also be dynamically moved and rotated by varying the position and polarization direction of the incident laser beam, which cannot be performed using conventional optical tweezers. The theoretical results show that the focused plasmonic field induces a strong in-plane trapping force and a high rotational torque on the nanowire, while the focused optical field produces a vertical trapping force to produce the upright alignment of the nanowire; this is in good agreement with the experimental results. Finally, some typical ZnO nanowire structures are built based on this technique, which thus further confirms the potential of this method for precise manipulation of components during the production of nanoelectronic and nanophotonic devices.
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Affiliation(s)
- Lichao Zhang
- Nanophotonics Research Centre, Shenzhen University & Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, Guangdong, China.
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45
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Kudo T, Wang SF, Yuyama KI, Masuhara H. Optical Trapping-Formed Colloidal Assembly with Horns Extended to the Outside of a Focus through Light Propagation. NANO LETTERS 2016; 16:3058-3062. [PMID: 27104966 DOI: 10.1021/acs.nanolett.6b00123] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We report optical trapping and assembling of colloidal particles at a glass/solution interface with a tightly focused laser beam of high intensity. It is generally believed that the particles are gathered only in an irradiated area where optical force is exerted on the particles by laser beam. Here we demonstrate that, the propagation of trapping laser from the focus to the outside of the formed assembly leads to expansion of the assembly much larger than the irradiated area with sticking out rows of linearly aligned particles like horns. The shape of the assembly, its structure, and the number of horns can be controlled by laser polarization. Optical trapping study utilizing the light propagation will open a new avenue for assembling and crystallizing quantum dots, metal nanoparticles, molecular clusters, proteins, and DNA.
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Affiliation(s)
- Tetsuhiro Kudo
- Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University , Hsinchu 30010, Taiwan
| | - Shun-Fa Wang
- Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University , Hsinchu 30010, Taiwan
| | - Ken-Ichi Yuyama
- Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University , Hsinchu 30010, Taiwan
| | - Hiroshi Masuhara
- Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University , Hsinchu 30010, Taiwan
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46
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Gargiulo J, Cerrota S, Cortés E, Violi IL, Stefani FD. Connecting Metallic Nanoparticles by Optical Printing. NANO LETTERS 2016; 16:1224-1229. [PMID: 26745330 DOI: 10.1021/acs.nanolett.5b04542] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Optical printing is a simple and flexible method to bring colloidal nanoparticles from suspension to specific locations of a substrate. However, its application has been limited to the fabrication of arrays of isolated nanoparticles because, until now, it was never possible to bring nanoparticles closer together than approximately 300 nm. Here, we propose this limitation is due to thermophoretic repulsive forces generated by plasmonic heating of the NPs. We show how to overcome this obstacle and demonstrate the optical printing of connected nanoparticles with well-defined orientation. These experiments constitute a key step toward the fabrication by optical printing of functional nanostructures and microcircuits based on colloidal nanoparticles.
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Affiliation(s)
- Julián Gargiulo
- Centro de Investigaciones en Bionanociencias (CIBION), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2390, C1425FQD Ciudad de Buenos Aires, Argentina
| | - Santiago Cerrota
- Centro de Investigaciones en Bionanociencias (CIBION), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2390, C1425FQD Ciudad de Buenos Aires, Argentina
| | - Emiliano Cortés
- Centro de Investigaciones en Bionanociencias (CIBION), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2390, C1425FQD Ciudad de Buenos Aires, Argentina
| | - Ianina L Violi
- Centro de Investigaciones en Bionanociencias (CIBION), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2390, C1425FQD Ciudad de Buenos Aires, Argentina
| | - Fernando D Stefani
- Centro de Investigaciones en Bionanociencias (CIBION), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2390, C1425FQD Ciudad de Buenos Aires, Argentina
- Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires , Güiraldes 2620, C1428EAH Ciudad de Buenos Aires, Argentina
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47
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Blattmann M, Rohrbach A. Plasmonic Coupling Dynamics of Silver Nanoparticles in an Optical Trap. NANO LETTERS 2015; 15:7816-7821. [PMID: 26605492 DOI: 10.1021/acs.nanolett.5b02532] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We investigate binding and plasmonic coupling between optically trapped 80 nm silver spheres using a combination of spectroscopic sensing and 3D interferometric laser particle tracking on a 1 μs time scale. We demonstrate that nanoparticle coupling can be either spontaneous or induced by another particle through confinement of diffusion. We reveal ultrafast entries and exits of nanoparticles inside the optical trap, fast particle rearrangements before binding, and dimer formation allowing new insights into nanoparticle self-assembly.
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Affiliation(s)
- Marc Blattmann
- Lab for Bio- and Nano-Photonics, Department of Microsystems Engineering (IMTEK), University of Freiburg , Georges-Köhler-Str.102, 79110 Freiburg, Germany
| | - Alexander Rohrbach
- Lab for Bio- and Nano-Photonics, Department of Microsystems Engineering (IMTEK), University of Freiburg , Georges-Köhler-Str.102, 79110 Freiburg, Germany
- BIOSS - Centre for Biological Signalling Studies, University of Freiburg , Freiburg, Germany
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48
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Sule N, Rice SA, Gray SK, Scherer NF. An electrodynamics-Langevin dynamics (ED-LD) approach to simulate metal nanoparticle interactions and motion. OPTICS EXPRESS 2015; 23:29978-29992. [PMID: 26698479 DOI: 10.1364/oe.23.029978] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Understanding the formation of electrodynamically interacting assemblies of metal nanoparticles requires accurate computational methods for determining the forces and propagating trajectories. However, since computation of electromagnetic forces occurs on attosecond to femtosecond timescales, simulating the motion of colloidal nanoparticles on milliseconds to seconds timescales is a challenging multi-scale computational problem. Here, we present a computational technique for performing accurate simulations of laser-illuminated metal nanoparticles. In the simulation, we self-consistently combine the finite-difference time-domain method for electrodynamics (ED) with Langevin dynamics (LD) for the particle motions. We demonstrate the ED-LD method by calculating the 3D trajectories of a single 100-nm-diameter Ag nanoparticle and optical trapping and optical binding of two and three 150-nm-diameter Ag nanoparticles in simulated optical tweezers. We show that surface charge on the colloidal metal nanoparticles plays an important role in their optically driven self-organization. In fact, these simulations provide a more complete understanding of the assembly of different structures of two and three Ag nanoparticles that have been observed experimentally, demonstrating that the ED-LD method will be a very useful tool for understanding the self-organization of optical matter.
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49
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Han X, Jones PH. Evanescent wave optical binding forces on spherical microparticles. OPTICS LETTERS 2015; 40:4042-4045. [PMID: 26368707 DOI: 10.1364/ol.40.004042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In this Letter, we demonstrate stable optical binding of spherical microparticles in counter-propagating evanescent optical fields formed by total reflection at a dielectric interface. The microspheres are observed to form one-dimensional chains oriented parallel to the direction of propagation of the beams. We characterize the strength of the optical binding interaction by measuring the extent of Brownian position fluctuations of the optically bound microspheres and relating this to a binding spring constant acting between adjacent particles. A stronger binding interaction is observed for particles near the middle of the chain, and the dependence of the binding strength on incident laser power and number of particles in the chain is determined.
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50
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Li M, Xiao Y, Zhang Z, Yu J. Bimodal sintered silver nanoparticle paste with ultrahigh thermal conductivity and shear strength for high temperature thermal interface material applications. ACS APPLIED MATERIALS & INTERFACES 2015; 7:9157-68. [PMID: 25890996 DOI: 10.1021/acsami.5b01341] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
A bimodal silver nanoparticle (AgNP) paste has been synthesized via the simple ultrasonic mixing of two types of unimodal AgNPs (10 and 50 nm in diameter). By sintering this paste at 250 °C for 30 min, we obtained an ultrahigh thermal conductivity of 278.5 W m(-1) K(-1), approximately 65% of the theoretical value for bulk Ag. The shear strength before and after thermal cycling at 50-200 °C for 1000 cycles was approximately 41.80 and 28.75 MPa, respectively. The results show that this excellent performance is attributable to the unique sintered structures inside the bimodal AgNP paste, including its low but stable porosity and the high density coherent twins. In addition, we systematically discuss the sintering behavior of this paste, including the decomposition of the organic layers and the formation of the coherent twins. On the basis of these results, we confirm that our bimodal AgNP paste has excellent potential as a thermal interface material for high temperature power device applications.
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Affiliation(s)
- Mingyu Li
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Yong Xiao
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Zhihao Zhang
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Jie Yu
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
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