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Chaâbani W, Lyu J, Marcone J, Goldmann C, Ten Veen EJM, Dumesnil C, Bizien T, Smallenburg F, Impéror-Clerc M, Constantin D, Hamon C. Prismatic Confinement Induces Tunable Orientation in Plasmonic Supercrystals. ACS NANO 2024; 18:9566-9575. [PMID: 38507585 DOI: 10.1021/acsnano.3c12799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Throughout history scientists have looked to Nature for inspiration and attempted to replicate intricate complex structures formed by self-assembly. In the context of synthetic supercrystals, achieving such complexity remains a challenge due to the highly symmetric nature of most nanoparticles (NPs). Previous works have shown intricate coupling between the self-assembly of NPs and confinement in templates, such as emulsion droplets (spherical confinement) or tubes (cylindrical confinement). This study focuses on the interplay between anisotropic NP shape and tunable "prismatic confinement" leading to the self-assembly of supercrystals in cavities featuring polygonal cross sections. A multiscale characterization strategy is employed to investigate the orientation and structure of the supercrystals locally and at the ensemble level. Our findings highlight the role of the mold interface in guiding the growth of distinct crystal domains: each side of the mold directs the formation of a monodomain that extends until it encounters another, leading to the creation of grain boundaries. Computer simulations in smaller prismatic cavities were conducted to predict the effect of an increased confinement. Comparison between prismatic and cylindrical confinements shows that flat interfaces are key to orienting the growth of supercrystals. This work shows a method of inducing orientation in plasmonic supercrystals and controlling their textural defects, thus offering insight into the design of functional metasurfaces and hierarchically structured devices.
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Affiliation(s)
- Wajdi Chaâbani
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | - Jieli Lyu
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | - Jules Marcone
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | - Claire Goldmann
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | - Eleonora J M Ten Veen
- Soft Condensed Matter, Debye Institute of Nanomaterials Science, Utrecht University, 3584 CC Utrecht, Netherlands
| | - Clément Dumesnil
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | - Thomas Bizien
- SWING Beamline, SOLEIL Synchrotron, 91190 Gif-sur-Yvette, France
| | - Frank Smallenburg
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
| | | | - Doru Constantin
- Institut Charles Sadron, CNRS and Université de Strasbourg, 67034 Strasbourg, France
| | - Cyrille Hamon
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay, France
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2
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Kim J, Wang Z, Lahlil K, Davidson P, Gacoin T, Kim J. Charge-driven liquid-crystalline behavior of ligand-functionalized nanorods in apolar solvent. THE EUROPEAN PHYSICAL JOURNAL. E, SOFT MATTER 2023; 46:86. [PMID: 37747573 DOI: 10.1140/epje/s10189-023-00345-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 09/05/2023] [Indexed: 09/26/2023]
Abstract
Concentrated colloidal suspensions of nanorods often exhibit liquid-crystalline (LC) behavior. The transition to a nematic LC phase, with long-range orientational order of the particles, is usually well-captured by Onsager's theory for hard rods, at least qualitatively. The theory shows how the volume fraction at the transition decreases with increasing aspect ratio of the rods. It also explains that the long-range electrostatic repulsive interaction occurring between rods stabilized by their surface charge can significantly increase their effective diameter, resulting in a decrease in the volume fraction at the transition, as compared to sterically stabilized rods. Here, we report on a system of ligand-stabilized LaPO4 nanorods, of aspect ratio ≈ 11, dispersed in apolar medium exhibiting the counter-intuitive observation that the onset of nematic self-assembly occurs at an extremely low volume fraction of ≈ 0.25%, which is lower than observed (≈ 3%) with the same particles when charged-stabilized in polar solvent. Furthermore, the nanorod volume fraction at the transition increases with increasing concentration of ligands, in a similar way as in polar media where increasing the ionic strength leads to surface charge screening. This peculiar system was investigated by dynamic light scattering, Fourier-transform infrared spectroscopy, zetametry, electron microscopy, polarized light microscopy, photoluminescence measurements, and X-ray scattering. Based on these experimental data, we formulate several tentative scenarios that might explain this unexpected phase behavior. However, at this stage, its full understanding remains a pending theoretical challenge. Nevertheless, this study shows that dispersing anisotropic nanoparticles in an apolar solvent may sometimes lead to spontaneous ordering events that defy our intuitive ideas about colloidal systems.
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Affiliation(s)
- Jeongmo Kim
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - Zijun Wang
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - Khalid Lahlil
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - Patrick Davidson
- Laboratoire de Physique des Solides, CNRS, Université Paris-Saclay, 91405, Orsay Cedex, France.
| | - Thierry Gacoin
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France.
| | - Jongwook Kim
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128, Palaiseau, France.
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3
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Wensink HH, Grelet E. Elastic response of colloidal smectic liquid crystals: Insights from microscopic theory. Phys Rev E 2023; 107:054604. [PMID: 37329078 DOI: 10.1103/physreve.107.054604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/05/2023] [Indexed: 06/18/2023]
Abstract
Elongated colloidal rods at sufficient packing conditions are known to form stable lamellar or smectic phases. Using a simplified volume-exclusion model, we propose a generic equation of state for hard-rod smectics that is robust against simulation results and is independent of the rod aspect ratio. We then extend our theory by exploring the elastic properties of a hard-rod smectic, including the layer compressibility (B) and bending modulus (K_{1}). By introducing weak backbone flexibility we are able to compare our predictions with experimental results on smectics of filamentous virus rods (fd) and find quantitative agreement between the smectic layer spacing, the out-of-plane fluctuation strength, as well as the smectic penetration length λ=sqrt[K_{1}/B]. We demonstrate that the layer bending modulus is dominated by director splay and depends sensitively on lamellar out-of-plane fluctuations that we account for on the single-rod level. We find that the ratio between the smectic penetration length and the lamellar spacing is about two orders of magnitude smaller than typical values reported for thermotropic smectics. We attribute this to the fact that colloidal smectics are considerably softer in terms of layer compression than their thermotropic counterparts while the cost of layer bending is of comparable magnitude.
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Affiliation(s)
- H H Wensink
- Laboratoire de Physique des Solides-UMR 8502, CNRS, Université Paris-Saclay, 91405 Orsay, France
| | - E Grelet
- Centre de Recherche Paul Pascal-UMR 5031, CNRS, Université de Bordeaux, 33600 Pessac, France
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4
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Awasthi V, Malik P, Goel R, Srivastava P, Dubey SK. Nanogap-Rich Surface-Enhanced Raman Spectroscopy-Active Substrate Based on Double-Step Deposition and Annealing of the Au Film over the Back Side of Polished Si. ACS APPLIED MATERIALS & INTERFACES 2023; 15:10250-10260. [PMID: 36757206 DOI: 10.1021/acsami.2c21378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a highly sensitive and rapid detection technique that is used for detection of various analytes in trace quantities. We present a sensitive, large-area, and nanogap-rich SERS-active substrate by altering a thin gold (Au) film on the unpolished side of a single-side polished silicon wafer by repeated thermal deposition and annealing in an argon environment. The repeated thermal deposition and annealing process was compared on both sides of a one-side-polished silicon wafer; however, the rear side (etched/unpolished side) demonstrated a more enhanced Raman signal owing to the larger effective area. The proposed substrate can be fabricated easily, having a high density of hotspots distributed uniformly all over the substrate. This ensures easy, rapid, and sensitive detection of analytes with a high degree of reproducibility, repeatability, and acceptable uniformity. The optimized substrate shows a high degree of stability with time when exposed to the ambient environment for a longer duration of 148 days. The reported substrate can detect up to 10-11 M concentrations of 2,4,6-trinitrotoluene (TNT) and 2,4-dinitrotoluene (DNT), with limits of detection (LODs) of 1.22 and 1.26 ng/L, respectively. This work not only presents the efficient and sensitive SERS-active substrate but also shows the advantages of using the rear side of a one-side-polished silicon substrate as a SERS-active chip.
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Affiliation(s)
- Vimarsh Awasthi
- SeNSE Centre, Indian Institute of Technology Delhi, Delhi 110016, India
| | - Pariksha Malik
- Nanostech Laboratory, Department of Physics, Indian Institute of Technology Delhi, Delhi 110016, India
| | - Richa Goel
- SeNSE Centre, Indian Institute of Technology Delhi, Delhi 110016, India
| | - Pankaj Srivastava
- Nanostech Laboratory, Department of Physics, Indian Institute of Technology Delhi, Delhi 110016, India
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5
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Zholudev SI, Gumerov RA, Larina AA, Potemkin II. Swelling, collapse and ordering of rod-like microgels in solution: Computer simulation studies. J Colloid Interface Sci 2023; 629:270-278. [PMID: 36155922 DOI: 10.1016/j.jcis.2022.09.050] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 09/03/2022] [Accepted: 09/08/2022] [Indexed: 11/23/2022]
Abstract
Polymer microgels have proven to be highly promising macromolecular objects for a wide variety of applications. In particular, the soft particles of an anisotropic (rod-like) shape are of special interest because of their potential use in tissue engineering or materials design. However, a little is known about the physical behavior of such microgels in solution, which inspired us to study them using mesoscopic computer simulations. For single networks, depending on the solvent quality, the dimensional characteristics were obtained for microgels of different molecular weight, crosslinking density and aspect ratio. In particular, the conditions for the rod-to-rod (preserving the nonspherical shape) and rod-to-sphere collapse were found. In addition, the effect of the liquid-crystalline (LC) ordering was demonstrated for the ensemble of rod-like microgels at different swelling ratios, and the influence of microgel aspect ratio on the volume fraction of the LC transition was shown.
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Affiliation(s)
- Stepan I Zholudev
- Physics Department, Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russian Federation
| | - Rustam A Gumerov
- Physics Department, Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russian Federation
| | - Alexandra A Larina
- Physics Department, Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russian Federation
| | - Igor I Potemkin
- Physics Department, Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russian Federation; National Research South Ural State University, Chelyabinsk 454080, Russian Federation.
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6
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Chiechio RM, Ducarre S, Moulin G, Dupont A, Marets C, Even-Hernandez P, Artzner F, Musumeci P, Franzò G, Ravel C, LoFaro MJ, Marchi V. Luminescent Gold Nanoclusters Interacting with Synthetic and Biological Vesicles. J Phys Chem Lett 2022; 13:6935-6943. [PMID: 35876058 DOI: 10.1021/acs.jpclett.2c01071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
According to their high electron density and ultrasmall size, gold nanoclusters (AuNCs) have unique luminescence and photoelectrochemical properties that make them very attractive for various biomedical fields. These applications require a clear understanding of their interaction with biological membranes. Here we demonstrate the ability of the AuNCs as markers for lipidic bilayer structures such as synthetic liposomes and biological extracellular vesicles (EVs). The AuNCs can selectively interact with liposomes or EVs through an attractive electrostatic interaction as demonstrated by zetametry and fluorescence microscopy. According to the ratio of nanoclusters to vesicles, the lipidic membranes can be fluorescently labeled without altering their thickness until charge reversion, the AuNCs being located at the level of the phosphate headgroups. In presence of an excess of AuNCs, the vesicles tend to adhere and aggregate. The strong adsorption of AuNCs results in the formation of a lamellar phase as demonstrated by cryo-transmission electron microscopy and small-angle X-ray scattering techniques.
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Affiliation(s)
- Regina M Chiechio
- Université Rennes 1, CNRS UMR 6226, Institut des Sciences Chimiques de Rennes, Avenue du général Leclerc, 35042 Rennes Cedex, France
- Dipartimento di Fisica e Astronomia "Ettore Majorana", Università Di Catania, Via Santa Sofia 64, 95123 Catania, Italy
- IMM-CNR, Via S. Sofia 64, 95123 Catania, Italy
| | - Solène Ducarre
- Université Rennes 1, CNRS UMR 6226, Institut des Sciences Chimiques de Rennes, Avenue du général Leclerc, 35042 Rennes Cedex, France
| | - Grégory Moulin
- Université Rennes 1, CNRS UMR 6226, Institut des Sciences Chimiques de Rennes, Avenue du général Leclerc, 35042 Rennes Cedex, France
- CHU Rennes, Service de Biologie de la Reproduction-CECOS, 35000 Rennes, France
| | - Aurélien Dupont
- CNRS, Inserm, BIOSIT - UMS 3480, Univ Rennes, US_S 018, F-35000 Rennes, France
| | - Célia Marets
- Université Rennes 1, CNRS UMR 6226, Institut des Sciences Chimiques de Rennes, Avenue du général Leclerc, 35042 Rennes Cedex, France
| | - Pascale Even-Hernandez
- Université Rennes 1, CNRS UMR 6226, Institut des Sciences Chimiques de Rennes, Avenue du général Leclerc, 35042 Rennes Cedex, France
| | - Franck Artzner
- Université Rennes 1, CNRS UMR 6251, Institut de Physique de Rennes, Avenue du général Leclerc, 35042 Rennes Cedex, France
| | - Paolo Musumeci
- Dipartimento di Fisica e Astronomia "Ettore Majorana", Università Di Catania, Via Santa Sofia 64, 95123 Catania, Italy
| | | | - Célia Ravel
- CHU Rennes, Service de Biologie de la Reproduction-CECOS, 35000 Rennes, France
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000 Rennes, France
| | - Maria José LoFaro
- Dipartimento di Fisica e Astronomia "Ettore Majorana", Università Di Catania, Via Santa Sofia 64, 95123 Catania, Italy
- IMM-CNR, Via S. Sofia 64, 95123 Catania, Italy
| | - Valérie Marchi
- Université Rennes 1, CNRS UMR 6226, Institut des Sciences Chimiques de Rennes, Avenue du général Leclerc, 35042 Rennes Cedex, France
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7
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Jeridi H, Niyonzima JDD, Sakr C, Missaoui A, Shahini S, Vlad A, Coati A, Goubet N, Royer S, Vickridge I, Goldmann M, Constantin D, Garreau Y, Babonneau D, Croset B, Gallas B, Lhuillier E, Lacaze E. Unique orientation of 1D and 2D nanoparticle assemblies confined in smectic topological defects. SOFT MATTER 2022; 18:4792-4802. [PMID: 35708225 DOI: 10.1039/d2sm00376g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
New collective optical properties have emerged recently from organized and oriented arrays of closely packed semiconducting and metallic nanoparticles (NPs). However, it is still challenging to obtain NP assemblies which are similar everywhere on a given sample and, most importantly, share a unique common orientation that would guarantee a unique behavior everywhere on the sample. In this context, by combining optical microscopy, fluorescence microscopy and synchrotron-based grazing incidence X-ray scattering (GISAXS) of assemblies of gold nanospheres and of fluorescent nanorods, we study the interactions between NPs and liquid crystal smectic topological defects that can ultimately lead to unique NP orientations. We demonstrate that arrays of one-dimensional - 1D (dislocations) and two-dimensional - 2D (grain boundaries) topological defects oriented along one single direction confine and organize NPs in closely packed networks but also orient both single nanorods and NP networks along the same direction. Through the comparison between smectic films associated with different kinds of topological defects, we highlight that the coupling between the NP ligands and the smectic layers below the grain boundaries may be necessary to allow for fixed NP orientation. This is in contrast with 1D defects, where the induced orientation of the NPs is intrinsically induced by the confinement independently of the ligand nature. We thus succeeded in achieving the fixed polarization of assemblies of single photon emitters in defects. For gold nanospheres confined in grain boundaries, a strict orientation of hexagonal networks has been obtained with the 〈10〉 direction strictly parallel to the defects. With such closely packed and oriented NPs, new collective properties are now foreseen.
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Affiliation(s)
- Haifa Jeridi
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
- OMNES Education Research Center, ECE Paris, 37 Quai de Grenelle, 75015 Paris, France
| | - Jean de Dieu Niyonzima
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
- Physics department, School of Science, College of Science and Technology, University of Rwanda, Po. Box: 3900, Kigali, Rwanda
| | - Charbel Sakr
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
- European Synchrotron Radiation Facility (ESRF), Grenoble, France
| | - Amine Missaoui
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
| | - Sharif Shahini
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
- Department of Physics and Materials Science, University of Luxembourg, 162a, Avenue de la Faencerie, L-1511, Luxembourg
| | - Alina Vlad
- Synchrotron SOLEIL, BP 48, L'Orme des Merisiers, 91192 Gif sur Yvette Cedex, France
| | - Alessandro Coati
- Synchrotron SOLEIL, BP 48, L'Orme des Merisiers, 91192 Gif sur Yvette Cedex, France
| | - Nicolas Goubet
- CNRS, Sorbonne Université, Laboratoire de la Molécule aux Nano-objets; Réactivité, Interactions et Spectroscopies MONARIS, 4 Pl Jussieu, Case Co, F-75005 Paris, France
| | - Sébastien Royer
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
| | - Ian Vickridge
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
| | - Michel Goldmann
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
- Synchrotron SOLEIL, BP 48, L'Orme des Merisiers, 91192 Gif sur Yvette Cedex, France
| | - Doru Constantin
- Université de Strasbourg, Institut Charles Sadron, CNRS UPR022, 67034 Strasbourg Cedex, France
| | - Yves Garreau
- Synchrotron SOLEIL, BP 48, L'Orme des Merisiers, 91192 Gif sur Yvette Cedex, France
- Université Paris Cité, Laboratoire Matériaux et Phénomènes Quantiques, CNRS, F-75013 Paris, France
| | - David Babonneau
- Departement Physique et Mecanique des Materiaux, Institut P', UPR 3346 CNRS, Université de Poitiers SP2MI, TSA 41123, 86073 Poitiers cedex 9, France
| | - Bernard Croset
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
| | - Bruno Gallas
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
| | - Emmanuel Lhuillier
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
| | - Emmanuelle Lacaze
- Sorbonne Université, CNRS, Institut des Nano-Sciences de Paris (INSP), F-75005 Paris, France.
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8
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Qin F, Zhao J, Kang Q, Derome D, Carmeliet J. Lattice Boltzmann Modeling of Drying of Porous Media Considering Contact Angle Hysteresis. Transp Porous Media 2021; 140:395-420. [PMID: 34720284 PMCID: PMC8550062 DOI: 10.1007/s11242-021-01644-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 07/05/2021] [Indexed: 11/15/2022]
Abstract
Drying of porous media is governed by a combination of evaporation and movement of the liquid phase within the porous structure. Contact angle hysteresis induced by surface roughness is shown to influence multi-phase flows, such as contact line motion of droplet, phase distribution during drainage and coffee ring formed after droplet drying in constant contact radius mode. However, the influence of contact angle hysteresis on liquid drying in porous media is still an unanswered question. Lattice Boltzmann model (LBM) is an advanced numerical approach increasingly used to study phase change problems including drying. In this paper, based on a geometric formulation scheme to prescribe contact angle, we implement a contact angle hysteresis model within the framework of a two-phase pseudopotential LBM. The capability and accuracy of prescribing and automatically measuring contact angles over a large range are tested and validated by simulating droplets sitting on flat and curved surfaces. Afterward, the proposed contact angle hysteresis model is validated by modeling droplet drying on flat and curved surfaces. Then, drying of two connected capillary tubes is studied, considering the influence of different contact angle hysteresis ranges on drying dynamics. Finally, the model is applied to study drying of a dual-porosity porous medium, where phase distribution and drying rate are compared with and without contact angle hysteresis. The proposed model is shown to be capable of dealing with different contact angle hysteresis ranges accurately and of capturing the physical mechanisms during drying in different porous media including flat and curved geometries. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s11242-021-01644-9.
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Affiliation(s)
- Feifei Qin
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), 8092 Zürich, Switzerland
| | - Jianlin Zhao
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), 8092 Zürich, Switzerland
| | - Qinjun Kang
- Earth and Environment Sciences Division (EES-16), Los Alamos National Laboratory (LANL), Los Alamos, NM 87545 USA
| | - Dominique Derome
- Department of Civil and Building Engineering, Université de Sherbrooke, Sherbrooke, QC J1K 2R1 Canada
| | - Jan Carmeliet
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), 8092 Zürich, Switzerland
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9
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Liu J, Huang J, Niu W, Tan C, Zhang H. Unconventional-Phase Crystalline Materials Constructed from Multiscale Building Blocks. Chem Rev 2021; 121:5830-5888. [PMID: 33797882 DOI: 10.1021/acs.chemrev.0c01047] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Crystal phase, an intrinsic characteristic of crystalline materials, is one of the key parameters to determine their physicochemical properties. Recently, great progress has been made in the synthesis of nanomaterials with unconventional phases that are different from their thermodynamically stable bulk counterparts via various synthetic methods. A nanocrystalline material can also be viewed as an assembly of atoms with long-range order. When larger entities, such as nanoclusters, nanoparticles, and microparticles, are used as building blocks, supercrystalline materials with rich phases are obtained, some of which even have no analogues in the atomic and molecular crystals. The unconventional phases of nanocrystalline and supercrystalline materials endow them with distinctive properties as compared to their conventional counterparts. This Review highlights the state-of-the-art progress of nanocrystalline and supercrystalline materials with unconventional phases constructed from multiscale building blocks, including atoms, nanoclusters, spherical and anisotropic nanoparticles, and microparticles. Emerging strategies for engineering their crystal phases are introduced, with highlights on the governing parameters that are essential for the formation of unconventional phases. Phase-dependent properties and applications of nanocrystalline and supercrystalline materials are summarized. Finally, major challenges and opportunities in future research directions are proposed.
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Affiliation(s)
- Jiawei Liu
- Center for Programmable Materials, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Jingtao Huang
- Center for Programmable Materials, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Wenxin Niu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy Sciences, Changchun, Jilin 130022, P.R. China
| | - Chaoliang Tan
- Department of Electrical Engineering, City University of Hong Kong, Hong Kong, China
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China.,Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
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10
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Kim J, Lahlil K, Gacoin T, Kim J. Measuring the order parameter of vertically aligned nanorod assemblies. NANOSCALE 2021; 13:7630-7637. [PMID: 33928956 DOI: 10.1039/d0nr08452b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Vertically aligned nanorod assemblies are of great interest both for fundamental studies of anisotropic physical properties arising from the structures and for the development of functional devices utilizing such anisotropic characteristics. Simultaneous measurement of the homeotropic order parameter (Shomeo) of assemblies in dynamic states can allow further optimization of the assembly process and the device performance. Although many techniques (e.g. birefringence measurement, SAXS analysis, and high-resolution microscopy) have been proposed to characterise Shomeo, these do not yet meet the essential criteria such as for rapid, in situ and non-destructive analyses. Here, we propose a novel approach employing a unique photoluminescence behaviour of lanthanide-doped crystalline nanorods, of which the emission spectrum contains the detailed information on the structure of the assembly. We demonstrate a rapid in situ determination of Shomeo of Eu3+-doped NaYF4 nanorods of which the orientation is controlled under an external electric field. The method does not require the consideration of polarization and can be performed using a conventional fluorescence microscopy setup. This new methodology would provide a more in-depth examination of various assembled nanostructures and the collective dynamics of their building blocks.
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Affiliation(s)
- Jeongmo Kim
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France.
| | - Khalid Lahlil
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France.
| | - Thierry Gacoin
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France.
| | - Jongwook Kim
- Laboratoire de Physique de la Matière Condensée, CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France.
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11
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Qin F, Zhao J, Kang Q, Brunschwiler T, Derome D, Carmeliet J. Lattice Boltzmann modeling of heat conduction enhancement by colloidal nanoparticle deposition in microporous structures. Phys Rev E 2021; 103:023311. [PMID: 33736117 DOI: 10.1103/physreve.103.023311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 01/25/2021] [Indexed: 11/07/2022]
Abstract
Drying of colloidal suspension towards the exploitation of the resultant nanoparticle deposition has been applied in different research and engineering fields. Recent experimental studies have shown that neck-based thermal structure (NTS) by colloidal nanoparticle deposition between microsize filler particle configuration (FPC) can significantly enhance vertical heat conduction in innovative three-dimensional chip stacks [Brunschwiler et al., J. Electron. Packag. 138, 041009 (2016)10.1115/1.4034927]. However, an in-depth understanding of the mechanisms of colloidal liquid drying, neck formation, and their influence on heat conduction is still lacking. In this paper, using the lattice Boltzmann method, we model neck formation in FPCs and evaluate the thermal performances of resultant NTSs. The colloidal liquid is found drying continuously from the periphery of the microstructure to its center with a decreasing drying rate. With drying, more necks of smaller size are formed between adjacent filler particles, while fewer necks of larger size are formed between filler particle and the top/bottom plate of the FPCs. The necks, forming critical throats between the filler particles, are found to improve the heat flux significantly, leading to an overall heat conduction enhancement of 2.4 times. In addition, the neck count, size, and distribution as well as the thermal performance of NTSs are found to be similar for three different FPCs at a constant filler particle volume fraction. Our simulation results on neck formation and thermal performances of NTSs are in good agreement with experimental results. This demonstrates that the current lattice Boltzmann models are accurate in modeling drying of colloidal suspension and heat conduction in microporous structures, and have high potentials to study other problems such as surface coating, salt transport, salt crystallization, and food preserving.
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Affiliation(s)
- Feifei Qin
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), Zürich 8092, Switzerland.,Laboratory of Multiscale Studies in Building Physics, Empa (Swiss Federal Laboratories for Materials Science and Technology), Dübendorf 8600, Switzerland
| | - Jianlin Zhao
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), Zürich 8092, Switzerland
| | - Qinjun Kang
- Earth and Environment Sciences Division (EES-16), Los Alamos National Laboratory (LANL), Los Alamos, New Mexico 87545, USA
| | - Thomas Brunschwiler
- Smart System Integration, IBM Research-Zürich, Saumerstrasse 4, 8803 Rüschlikon, Switzerland
| | - Dominique Derome
- Dep. of Civil and Building Engineering, Université de Sherbrooke, Sherbrooke Qc J1K 2R1 Canada
| | - Jan Carmeliet
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), Zürich 8092, Switzerland
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12
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Garg A, Nam W, Zhou W. Reusable Surface-Enhanced Raman Spectroscopy Membranes and Textiles via Template-Assisted Self-Assembly and Micro/Nanoimprinting. ACS APPLIED MATERIALS & INTERFACES 2020; 12:56290-56299. [PMID: 33283507 DOI: 10.1021/acsami.0c16351] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) has emerged as a powerful tool for ultrasensitive fingerprint recognition of molecules with considerable potential in wearable biochemical sensing. However, previous efforts to fabricate wearable SERS devices by directly treating fabrics with plasmonic nanoparticles have generated a nonuniform assembly of nanoparticles, weakly adsorbed on fabrics via van der Waals forces. Here, we report the creation of washing reusable SERS membranes and textiles via template-assisted self-assembly and micro/nanoimprinting approaches. Uniquely, we employ the capillary force driven self-assembly process to generate micropatch arrays of Au nanoparticle (NP) aggregates within hydrophobic microstructured templates, which are then robustly bonded onto semipermeable transparent membranes and stretchable textiles using the UV-resist based micro/nanoimprinting technique. A mild reactive ion etching (RIE) treatment of SERS membranes and textiles can physically expose the SERS hotspots of Au NP-aggregates embedded within the polymer UV resist for further improvement of their SERS performance. Also, we demonstrate that the semipermeable transparent SERS membranes can keep the moisture content of meat from evaporating to enable stable in situ SERS monitoring of biochemical environments at the fresh meat surface. By contrast, stretchable SERS textiles can allow the spreading, soaking, and evaporation of solution analyte samples on the fabric matrix for continuous enrichment of analyte molecules at the hotspots in biochemical SERS detection. Due to the mechanical robustness of the UV-resist immobilized Au NP aggregates, simple detergent-water washing with ultrasound sonication or mechanical stirring can noninvasively clean contaminated hot spots to reuse SERS textiles. Therefore, we envision that washing reusable SERS membranes and textiles by template-assisted self-assembly and micro/nanoimprinting fabrication are promising for wearable biochemical sensing applications, such as wound monitoring and body fluid monitoring.
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Affiliation(s)
- Aditya Garg
- Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Wonil Nam
- Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Wei Zhou
- Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, Virginia 24061, United States
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13
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SERS-active Au@Ag core-shell nanorod (Au@AgNR) tags for ultrasensitive bacteria detection and antibiotic-susceptibility testing. Talanta 2020; 220:121397. [DOI: 10.1016/j.talanta.2020.121397] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 07/05/2020] [Accepted: 07/08/2020] [Indexed: 01/06/2023]
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14
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Grzelak D, Szustakiewicz P, Tollan C, Raj S, Král P, Lewandowski W, Liz-Marzán LM. In Situ Tracking of Colloidally Stable and Ordered Assemblies of Gold Nanorods. J Am Chem Soc 2020; 142:18814-18825. [PMID: 32990433 PMCID: PMC7645924 DOI: 10.1021/jacs.0c06446] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
![]()
Solution-phase
self-assembly of anisotropic nanoparticles into
complex 2D and 3D assemblies is one of the most promising strategies
toward obtaining nanoparticle-based materials and devices with unique
optical properties at the macroscale. However, controlling this process
with single-particle precision is highly demanding, mostly due to
insufficient understanding of the self-assembly process at the nanoscale.
We report the use of in situ environmental scanning transmission electron
microscopy (WetSTEM), combined with UV/vis spectroscopy, small-angle
X-ray diffraction (SAXRD) and multiscale modeling, to draw a detailed
picture of the dynamics of vertically aligned assemblies of gold nanorods.
Detailed understanding of the self-assembly/disassembly mechanisms
is obtained from real-time observations, which provide direct evidence
of the colloidal stability of side-to-side nanorod clusters. Structural
details and the forces governing the disassembly process are revealed
with single particle resolution as well as in bulk samples, by combined
experimental and theoretical modeling. In particular, this study provides
unique information on the evolution of the orientational order of
nanorods within side-to-side 2D assemblies and shows that both electrostatic
(at the nanoscale) and thermal (in bulk) stimuli can be used to drive
the process. These results not only give insight into the interactions
between nanorods and the stability of their assemblies, thereby assisting
the design of ordered, anisotropic nanomaterials but also broaden
the available toolbox for in situ tracking of nanoparticle behavior
at the single-particle level.
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Affiliation(s)
- Dorota Grzelak
- Laboratory of organic nanomaterials and biomolecules, Faculty of Chemistry, University of Warsaw, Pasteura 1 st., Warsaw 02-093, Poland
| | - Piotr Szustakiewicz
- Laboratory of organic nanomaterials and biomolecules, Faculty of Chemistry, University of Warsaw, Pasteura 1 st., Warsaw 02-093, Poland
| | - Christopher Tollan
- Electron-Microscopy Laboratory, CIC nanoGUNE, Basque Research and Technology Alliance (BRTA), Tolosa Hiribidea 76, Donostia, San Sebastián 20018, Spain
| | - Sanoj Raj
- Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Petr Král
- Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607, United States.,Department of Physics, Biopharmaceutical Sciences, and Chemical Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Wiktor Lewandowski
- Laboratory of organic nanomaterials and biomolecules, Faculty of Chemistry, University of Warsaw, Pasteura 1 st., Warsaw 02-093, Poland.,CIC biomaGUNE, Basque Research and Technology Alliance (BRTA) and CIBER-BBN, Paseo de Miramón 182, Donostia, San Sebastián 20014, Spain
| | - Luis M Liz-Marzán
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA) and CIBER-BBN, Paseo de Miramón 182, Donostia, San Sebastián 20014, Spain.,Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain
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15
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Baiyasi R, Gallagher MJ, McCarthy LA, Searles EK, Zhang Q, Link S, Landes CF. Quantitative Analysis of Nanorod Aggregation and Morphology from Scanning Electron Micrographs Using SEMseg. J Phys Chem A 2020; 124:5262-5270. [DOI: 10.1021/acs.jpca.0c03190] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Rashad Baiyasi
- Department of Electrical and Computer Engineering, Rice University, MS 366, Houston, Texas 77005, United States
| | - Miranda J. Gallagher
- Department of Chemistry, Rice University, MS 60, Houston, Texas 77005, United States
| | - Lauren A. McCarthy
- Department of Chemistry, Rice University, MS 60, Houston, Texas 77005, United States
| | - Emily K. Searles
- Department of Chemistry, Rice University, MS 60, Houston, Texas 77005, United States
| | - Qingfeng Zhang
- Department of Chemistry, Rice University, MS 60, Houston, Texas 77005, United States
- Smalley-Curl Institute, Rice University, Houston, Texas 77005, United States
| | - Stephan Link
- Department of Electrical and Computer Engineering, Rice University, MS 366, Houston, Texas 77005, United States
- Department of Chemistry, Rice University, MS 60, Houston, Texas 77005, United States
- Smalley-Curl Institute, Rice University, Houston, Texas 77005, United States
| | - Christy F. Landes
- Department of Electrical and Computer Engineering, Rice University, MS 366, Houston, Texas 77005, United States
- Department of Chemistry, Rice University, MS 60, Houston, Texas 77005, United States
- Smalley-Curl Institute, Rice University, Houston, Texas 77005, United States
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, Texas 77005, United States
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16
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Fukagawa T, Tanaka H, Morikawa K, Tanaka S, Hatakeyama Y, Hino K. Spatial Ordering of the Structure of Polymer-Capped Gold Nanorods under an External DC Electric Field. J Phys Chem Lett 2020; 11:2086-2091. [PMID: 32101434 DOI: 10.1021/acs.jpclett.0c00566] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We studied the alignment changes of polymer-capped gold nanorods (GNRs@PS) under an applied electric field by visible-near-infrared absorption and small-angle X-ray scattering (SAXS) measurements. Monodispersed GNRs with an aspect ratio of 4.0 were produced by the seed-mediated growth method using cetyltrimethylammonium bromide and sodium oleate binary surfactants. We investigated the phase transition between the ordered structure of GNRs@PS induced by the external electric field. At appropriate field strengths (>3 V/μm), the SAXS profiles of GNRs@PS showed a smectic ordered structure. Increasing the electric field strength densified the ordered structure and greatly increased the Raman signals (the 298 and 445 cm-1 bands) of the carbon tetrachloride (solvent) between the GNRs@PS. The insights gained are potentially applicable to catalysts, future displays, optical filters, and data storage devices.
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Affiliation(s)
- Toshiaki Fukagawa
- Department of Chemistry, Faculty of Education, Aichi University of Education, 1 Hirosawa, Igaya, Kariya, Aichi 448-8542, Japan
| | - Hiroaki Tanaka
- Department of Chemistry, Faculty of Education, Aichi University of Education, 1 Hirosawa, Igaya, Kariya, Aichi 448-8542, Japan
| | - Kouki Morikawa
- Department of Chemistry, Faculty of Education, Aichi University of Education, 1 Hirosawa, Igaya, Kariya, Aichi 448-8542, Japan
| | - Shunsuke Tanaka
- Department of Chemistry, Faculty of Education, Aichi University of Education, 1 Hirosawa, Igaya, Kariya, Aichi 448-8542, Japan
| | - Yoshikiyo Hatakeyama
- Division of Molecular Science, Faculty of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515, Japan
| | - Kazuyuki Hino
- Department of Chemistry, Faculty of Education, Aichi University of Education, 1 Hirosawa, Igaya, Kariya, Aichi 448-8542, Japan
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17
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Tsoulos TV, Atta S, Lagos MJ, Beetz M, Batson PE, Tsilomelekis G, Fabris L. Colloidal plasmonic nanostar antennas with wide range resonance tunability. NANOSCALE 2019; 11:18662-18671. [PMID: 31584591 DOI: 10.1039/c9nr06533d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Gold nanostars display exceptional field enhancement properties and tunable resonant modes that can be leveraged to create effective imaging tags, phototherapeutic agents, and hot electron-based photocatalytic platforms. Despite having emerged as the cornerstone among plasmonic nanoparticles with respect to resonant strength and tunability, some well-known limitations have hampered their technological implementation. Herein we tackle these recognized intrinsic weaknesses, which stem from the complex, and thus computationally untreatable morphology and the limited sample monodispersity, by proposing a novel 6-spike nanostar, which we have computationally studied and synthetically realized, as the epitome of 3D plasmonic nanoantenna with wide range plasmonic tunability. Our concerted computational and experimental effort shows that these nanostars combine the unique advantages of nanostructures fabricated from the top-down and those synthesized from the bottom-up, showcasing a unique plasmonic response that remains largely unaltered on going from the single particle to the ensemble. Furthermore, they display multiple, well-separated, narrow resonances, the most intense of which extends in space much farther than that observed before for any plasmonic mode localized around a colloidal nanostructure. Importantly, the unique close correlation between morphology and plasmonic response leads the resonant modes of these particles to be tunable between 600 and 2000 nm, a unique feature that could find relevance in cutting edge technological applications.
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Affiliation(s)
- Ted V Tsoulos
- Department of Materials Science and Engineering, Rutgers University, 607 Taylor Road, Piscataway, NJ 08854, USA.
| | - Supriya Atta
- Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, USA
| | - Maureen J Lagos
- Department of Materials Science and Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | - Michael Beetz
- Department of Chemistry and Center for NanoScience (CeNS), Ludwig Maximilians Universität München, 81377 Munich, Germany
| | - Philip E Batson
- Department of Materials Science and Engineering, Rutgers University, 607 Taylor Road, Piscataway, NJ 08854, USA. and Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08854, USA
| | - George Tsilomelekis
- Department of Chemical and Biochemical Engineering, Rutgers University, 98 Brett Road, Piscataway, NJ 08854, USA
| | - Laura Fabris
- Department of Materials Science and Engineering, Rutgers University, 607 Taylor Road, Piscataway, NJ 08854, USA.
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18
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Szustakiewicz P, González‐Rubio G, Scarabelli L, Lewandowski W. Robust Synthesis of Gold Nanotriangles and their Self-Assembly into Vertical Arrays. ChemistryOpen 2019; 8:705-711. [PMID: 31205847 PMCID: PMC6559201 DOI: 10.1002/open.201900082] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 04/11/2019] [Indexed: 12/26/2022] Open
Abstract
We report an efficient, seed-mediated method for the synthesis of gold nanotriangles (NTs) which can be used for controlled self-assembly. The main advantage of the proposed synthetic protocol is that it relies on using stable (over the course of several days) intermediate seeds. This stability translates into increasing time efficiency of the synthesis and makes the protocol experimentally less demanding ('fast addition' not required, tap water can be used in the final steps) as compared to previously reported procedures, without compromising the size and shape monodispersity of the product. We demonstrate high reproducibility of the protocol in the hands of different researchers and in different laboratories. Additionally, this modified seed-mediated method can be used to produce NTs with edge lengths between ca. 45 and 150 nm. Finally, the high 'quality' of NTs allows the preparation of long-range ordered assemblies with vertically oriented building blocks, which makes them promising candidates for future optoelectronic technologies.
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Affiliation(s)
- Piotr Szustakiewicz
- Faculty of ChemistryUniversity of WarsawPasteura 1 st.Warsaw02-093Poland
- CICbiomaGUNEPaseo de Miramón 182Donostia-San Sebastián20014Spain
| | | | - Leonardo Scarabelli
- CICbiomaGUNEPaseo de Miramón 182Donostia-San Sebastián20014Spain
- California NanoSystems InstituteUniversity of California, Los AngelesLos Angeles90095 CaliforniaUSA
| | - Wiktor Lewandowski
- Faculty of ChemistryUniversity of WarsawPasteura 1 st.Warsaw02-093Poland
- CICbiomaGUNEPaseo de Miramón 182Donostia-San Sebastián20014Spain
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19
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Bae J, Lee J, Zhou Q, Kim T. Micro-/Nanofluidics for Liquid-Mediated Patterning of Hybrid-Scale Material Structures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1804953. [PMID: 30600554 DOI: 10.1002/adma.201804953] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/17/2018] [Indexed: 06/09/2023]
Abstract
Various materials are fabricated to form specific structures/patterns at the micro-/nanoscale, which exhibit additional functions and performance. Recent liquid-mediated fabrication methods utilizing bottom-up approaches benefit from micro-/nanofluidic technologies that provide a high controllability for manipulating fluids containing various solutes, suspensions, and building blocks at the microscale and/or nanoscale. Here, the state-of-the-art micro-/nanofluidic approaches are discussed, which facilitate the liquid-mediated patterning of various hybrid-scale material structures, thereby showing many additional advantages in cost, labor, resolution, and throughput. Such systems are categorized here according to three representative forms defined by the degree of the free-fluid-fluid interface: free, semiconfined, and fully confined forms. The micro-/nanofluidic methods for each form are discussed, followed by recent examples of their applications. To close, the remaining issues and potential applications are summarized.
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Affiliation(s)
- Juyeol Bae
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
| | - Jongwan Lee
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
| | - Qitao Zhou
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
| | - Taesung Kim
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea
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20
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Qin F, Mazloomi Moqaddam A, Del Carro L, Kang Q, Brunschwiler T, Derome D, Carmeliet J. Tricoupled hybrid lattice Boltzmann model for nonisothermal drying of colloidal suspensions in micropore structures. Phys Rev E 2019; 99:053306. [PMID: 31212433 DOI: 10.1103/physreve.99.053306] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Indexed: 06/09/2023]
Abstract
A tricoupled hybrid lattice Boltzmann model (LBM) is developed to simulate colloidal liquid evaporation and colloidal particle deposition during the nonisothermal drying of colloidal suspensions in micropore structures. An entropic multiple-relaxation-time multirange pseudopotential two-phase LBM for isothermal interfacial flow is first coupled to an extended temperature equation for simulating nonisothermal liquid drying. Then the coupled model is further coupled with a modified convection diffusion equation to consider the nonisothermal drying of colloidal suspensions. Two drying examples are considered. First, drying of colloidal suspensions in a two-pillar micropore structure is simulated in two dimensions (2D), and the final configuration of colloidal particles is compared with the experimental one. Good agreement is observed. Second, at the temperature of 343.15 K (70^{∘}C), drying of colloidal suspensions in a complex spiral-shaped micropore structure containing 220 pillars is simulated (also in 2D). The drying pattern follows the designed spiral shape due to capillary pumping, i.e., transport of the liquid from larger pores to smaller ones by capillary pressure difference. Since the colloidal particles are passively carried with liquid, they accumulate at the small menisci as drying proceeds. As liquid evaporates at the small menisci, colloidal particles are deposited, eventually forming solid structures between the pillars (primarily), and at the base of the pillars (secondarily). As a result, the particle deposition conforms to the spiral route. Qualitatively, the simulated liquid and particle configurations agree well with the experimental ones during the entire drying process. Quantitatively, the model demonstrates that the evaporation rate and the particle accumulation rate slowly decrease during drying, similar to what is seen in the experimental results, which is due to the reduction of the liquid-vapor interfacial area. In conclusion, the hybrid model shows the capability and accuracy for simulating nonisothermal drying of colloidal suspensions in a complex micropore structure both qualitatively and quantitatively, as it includes all the required physics and captures all the complex features observed experimentally. Such a tricoupled LBM has a high potential to become an efficient numerical tool for further investigation of real and complex engineering problems incorporating drying of colloidal suspensions in porous media.
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Affiliation(s)
- Feifei Qin
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), Zürich 8093, Switzerland
- Laboratory of Multiscale Studies in Building Physics, Empa (Swiss Federal Laboratories for Materials Science and Technology), Dübendorf 8600, Switzerland
| | - Ali Mazloomi Moqaddam
- Laboratory of Multiscale Studies in Building Physics, Empa (Swiss Federal Laboratories for Materials Science and Technology), Dübendorf 8600, Switzerland
| | - Luca Del Carro
- Smart System Integration, IBM Research-Zürich, Saumerstrasse 4, 8803 Rüschlikon, Switzerland
| | - Qinjun Kang
- Earth and Environment Sciences Division (EES-16), Los Alamos National Laboratory (LANL), Los Alamos, New Mexico 87545, USA
| | - Thomas Brunschwiler
- Smart System Integration, IBM Research-Zürich, Saumerstrasse 4, 8803 Rüschlikon, Switzerland
| | - Dominique Derome
- Laboratory of Multiscale Studies in Building Physics, Empa (Swiss Federal Laboratories for Materials Science and Technology), Dübendorf 8600, Switzerland
| | - Jan Carmeliet
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), Zürich 8093, Switzerland
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21
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Wang S, Wang Z, Tang N, Liu C, He S, Liu B, Qu H, Duan X, Pang W, Wang Y. Hierarchical assembly of gold nanorod stripe patterns for sensing and cells alignment. NANOTECHNOLOGY 2019; 30:175302. [PMID: 30634179 DOI: 10.1088/1361-6528/aafddd] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Hierarchical assemblies of nanomaterial superstructures with controlled orientation affords a multitude of novel properties of plasmonics and broad applications. Yet constructing multi-functional superstructures with nanoparticles positioned in desired locations remains challenging. Herein, gold nanorods (GNRs) assembled in stripe patterns with controlled orientation and structures in millimeter scale for versatile application have been achieved. Applications of patterned GNRs in sensing enhancement and engineering mammalian cells alignment are investigated experimentally. The performance of patterned GNRs in surface enhanced Raman scattering (SERS) and electrical sensing are found in orientational dependence. The SERS signals of vertically arranged GNR arrays exhibit double the folder intensity than those horizontally arranged. In contrast, the horizontally arranged GNRs exhibit twice as much electrical conductivity. The system is further explored to pattern mammalian cells. For the first time, we reveal the nanostructured topography of GNR confined cells to a specific region, and direct the adhesion and extension of living cells, which opens up broad applications in tissue engineering and biosensing.
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Affiliation(s)
- Shuang Wang
- State Key Laboratory of Precision Measuring Technology & Instruments, School of Precision Instruments and Optoelectronics Engineering, Nanchang Institute for Microtechnology, Tianjin University, 300072, People's Republic of China
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22
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Lu F, Xin H, Xia W, Liu M, Zhang Y, Cai W, Gang O. Tailoring Surface Opening of Hollow Nanocubes and Their Application as Nanocargo Carriers. ACS CENTRAL SCIENCE 2018; 4:1742-1750. [PMID: 30648157 PMCID: PMC6311685 DOI: 10.1021/acscentsci.8b00778] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Indexed: 05/30/2023]
Abstract
Hollow nanoparticles (NPs) are of broad interest for biomedical, optical, and catalytic applications due to their unique geometry-related physicochemical properties. The ability to engineer hollow structures with surface openings is particularly attractive since emergent properties are promised by the design of shell porosity and encapsulation of guest materials. However, it still remains challenging to precisely control the opening of the hollow structure, in terms of shape, size, and location. Here, we report a facile one-step strategy to synthesize a hollow nanostructure with well-defined cubic-shape openings at the corners, by regulating nanoscale galvanic replacement processes with specific surface-capping agents. The final product is a single-crystalline AuAg alloy which morphologically features three "belts" orthogonally wrapping around a virtual cube, denoted by nanowrapper. We demonstrate a structural tunability of our synthetic method for tailoring nanowrapper and the corresponding tuning of its plasmonic band from the visible to near-infrared (NIR) range. Advanced electron tomography techniques provide unambiguous three-dimensional (3D) visualizations to reveal an unconventional transformation pathway of sharp-cornered Ag nanocube to nanowrapper and correlate its structure with measured and computed spectroscopic properties. Importantly, we find that the surfactant, i.e., cetylpyridinium chloride (CPC), is crucial for the openings to be localized at the corners of the hollow cube and be tailored to a cubic shape in our one-step process. Furthermore, such a well-defined hollow architecture also allows a guest nano-object to be contained within, while the large openings at corners enable controlled loading/release of nanoscale cargo, a DNA-coated particle, using change of ionic conditions. This work expands our understanding of surface engineering in nanoscale galvanic replacement reactions and opens new ways toward the shape control of hollow NPs.
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Affiliation(s)
- Fang Lu
- Center
for Functional Nanomaterials, Energy & Photon Sciences Directorate, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Huolin Xin
- Center
for Functional Nanomaterials, Energy & Photon Sciences Directorate, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Weiwei Xia
- Center
for Functional Nanomaterials, Energy & Photon Sciences Directorate, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Mingzhao Liu
- Center
for Functional Nanomaterials, Energy & Photon Sciences Directorate, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Yugang Zhang
- National
Synchrotron Light Source II, Energy & Photon Sciences Directorate, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Weiping Cai
- Key
Lab of Materials Physics, Anhui Key Lab of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy
of Sciences, Hefei 230031, P. R. China
- Department
of Materials Science and Engineering, University
of Science and Technology of China, Hefei 230026, P. R. China
| | - Oleg Gang
- Center
for Functional Nanomaterials, Energy & Photon Sciences Directorate, Brookhaven National Laboratory, Upton, New York 11973, United States
- Department
of Chemical Engineering, Columbia University, New York, New York 10027, United States
- Department
of Applied Physics and Applied Mathematics, Columbia University, New York, New York 10027, United States
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23
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Qin F, Mazloomi Moqaddam A, Kang Q, Derome D, Carmeliet J. LBM Simulation of Self-Assembly of Clogging Structures by Evaporation of Colloidal Suspension in 2D Porous Media. Transp Porous Media 2018. [DOI: 10.1007/s11242-018-1157-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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24
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Hamon C, Goldmann C, Constantin D. Controlling the symmetry of supercrystals formed by plasmonic core-shell nanorods with tunable cross-section. NANOSCALE 2018; 10:18362-18369. [PMID: 30255915 DOI: 10.1039/c8nr06376a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Tailoring the crystal structure of plasmonic nanoparticle superlattices is a crucial step in controlling the collective physical response of these nanostructured materials. Various strategies can achieve this goal for isotropic nanoparticles, but few of them have been successful with anisotropic building blocks. In this work we use hybrid particles, consisting of gold nanorods encased in silver shells with a thickness that can be controlled from a few atomic layers to tens of nanometers. The particles were synthesized, characterized by a combination of techniques and assembled into supercrystals with a smectic B configuration, i.e. a 2D in-plane periodic order without interplane lateral correlations. We showed that, by tuning the silver shell thickness, the in-plane order can be changed from hexagonal to square and the lattice parameters can be adjusted. The spatial distribution of the supercrystal was systematically studied by optical and electron microscopy and by small-angle X-ray scattering. Through optimized surface chemistry, we obtain homogeneous, millimeter-size films of standing nanoparticles, which hold promise for all applications using plasmon-enhanced technologies.
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Affiliation(s)
- Cyrille Hamon
- Laboratoire de Physique des Solides, CNRS, Univ. Paris-Sud, Université Paris-Saclay, 91405 Orsay Cedex, France.
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25
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Panizza P, Algaba H, Postic M, Raffy G, Courbin L, Artzner F. Order-Disorder Structural Transitions in Mazes Built by Evaporating Drops. PHYSICAL REVIEW LETTERS 2018; 121:078002. [PMID: 30169059 DOI: 10.1103/physrevlett.121.078002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Indexed: 06/08/2023]
Abstract
We show that the evaporation of surfactant solutions confined in quasi-two-dimensional porous media creates micron-sized labyrinthine patterns composing the walls of a centimeter-sized maze. These walls are made of solid deposits formed during drying via a sequence of individual Haines jumps occurring at the pore scale. We rationalize this process driven by simple iterative rules with a cellular automaton that acts as a maze generator. This model well describes the formation dynamics and final structure of an experimental maze as functions of the wettability heterogeneities of a porous medium and its geometry. Also, our findings unveil the crucial role of two geometric dimensionless quantities that control the structural order of a maze.
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Affiliation(s)
- P Panizza
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes)-UMR 6251, F-35000 Rennes, France
| | - H Algaba
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes)-UMR 6251, F-35000 Rennes, France
| | - M Postic
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes)-UMR 6251, F-35000 Rennes, France
| | - G Raffy
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes)-UMR 6251, F-35000 Rennes, France
| | - L Courbin
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes)-UMR 6251, F-35000 Rennes, France
| | - F Artzner
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes)-UMR 6251, F-35000 Rennes, France
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26
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Recent advances in the rational synthesis and self-assembly of anisotropic plasmonic nanoparticles. PURE APPL CHEM 2018. [DOI: 10.1515/pac-2018-0510] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Abstract
The field of plasmonics has grown at an incredible pace in the last couple of decades, and the synthesis and self-assembly of anisotropic plasmonic materials remains highly dynamic. The engineering of nanoparticle optical and electronic properties has resulted in important consequences for several scientific fields, including energy, medicine, biosensing, and electronics. However, the full potential of plasmonics has not yet been realized due to crucial challenges that remain in the field. In particular, the development of nanoparticles with new plasmonic properties and surface chemistries could enable the rational design of more complex architectures capable of performing advanced functions, like cascade reactions, energy conversion, or signal transduction. The scope of this short review is to highlight the most recent developments in the synthesis and self-assembly of anisotropic metal nanoparticles, which are capable of bringing forward the next generation of plasmonic materials.
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27
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Bi L, Wang Y, Yang Y, Li Y, Mo S, Zheng Q, Chen L. Highly Sensitive and Reproducible SERS Sensor for Biological pH Detection Based on a Uniform Gold Nanorod Array Platform. ACS APPLIED MATERIALS & INTERFACES 2018; 10:15381-15387. [PMID: 29664282 DOI: 10.1021/acsami.7b19347] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Conventional research on surface-enhanced Raman scattering (SERS)-based pH sensors often depends on nanoparticle aggregation, whereas the variability in nanoparticle aggregation gives rise to poor repeatability in the SERS signal. Herein, we fabricated a gold nanorod array platform via an efficient evaporative self-assembly method. The platform exhibits great SERS sensitivity with an enhancement factor of 5.6 × 107 and maintains excellent recyclability and reproducibility with relative standard deviation (RSD) values of less than 8%. On the basis of the platform, we developed a highly sensitive bovine serum albumin (BSA)-coated 4-mercaptopyridine (4-MPy)-linked (BMP) SERS-based pH sensor to report pH ranging from pH 3.0 to pH 8.0. The intensity ratio variation of 1004 and 1096 cm-1 in 4-MPy showed excellent pH sensitivity, which decreased as the surrounding pH increased. Furthermore, this BMP SERS-based pH sensor was employed to measure the pH value in C57BL/6 mouse blood. We have demonstrated that the pH sensor has great advantages such as good stability, reliability, and accuracy, which could be extended for the design of point-of-care devices.
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Affiliation(s)
| | - Yunqing Wang
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation , Yantai Institute of Coastal Zone Research , Yantai 264003 , China
| | | | | | | | | | - Lingxin Chen
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation , Yantai Institute of Coastal Zone Research , Yantai 264003 , China
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28
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Colloidal design of plasmonic sensors based on surface enhanced Raman scattering. J Colloid Interface Sci 2018; 512:834-843. [DOI: 10.1016/j.jcis.2017.10.117] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 10/28/2017] [Accepted: 10/31/2017] [Indexed: 02/07/2023]
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29
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Liang Y, Xie Y, Chen D, Guo C, Hou S, Wen T, Yang F, Deng K, Wu X, Smalyukh II, Liu Q. Symmetry control of nanorod superlattice driven by a governing force. Nat Commun 2017; 8:1410. [PMID: 29123101 PMCID: PMC5680336 DOI: 10.1038/s41467-017-01111-4] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 08/18/2017] [Indexed: 02/08/2023] Open
Abstract
Nanoparticle self-assembly promises scalable fabrication of composite materials with unique properties, but symmetry control of assembled structures remains a challenge. By introducing a governing force in the assembly process, we develop a strategy to control assembly symmetry. As a demonstration, we realize the tetragonal superlattice of octagonal gold nanorods, breaking through the only hexagonal symmetry of the superlattice so far. Surprisingly, such sparse tetragonal superstructure exhibits much higher thermostability than its close-packed hexagonal counterpart. Multiscale modeling reveals that the governing force arises from hierarchical molecular and colloidal interactions. This force dominates the interactions involved in the assembly process and determines the superlattice symmetry, leading to the tetragonal superlattice that becomes energetically favorable over its hexagonal counterpart. This strategy might be instructive for designing assembly of various nanoparticles and may open up a new avenue for realizing diverse assembly structures with pre-engineered properties.
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Affiliation(s)
- Yujia Liang
- Chinese Academy of Sciences (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
- Department of Chemical and Biomolecular Engineering, University of Maryland, Maryland, 20742, USA
| | - Yong Xie
- Chinese Academy of Sciences (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
- Department of Physics and Soft Materials Research Center, University of Colorado, Boulder, CO, 80309, USA
- Department of Physics, Beihang University, Beijing, 100191, China
| | - Dongxue Chen
- Chinese Academy of Sciences (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Chuanfei Guo
- Department of Materials, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Shuai Hou
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Tao Wen
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Fengyou Yang
- Chinese Academy of Sciences (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Ke Deng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology, Beijing, 100190, China.
| | - Xiaochun Wu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology, Beijing, 100190, China.
| | - Ivan I Smalyukh
- Department of Physics and Soft Materials Research Center, University of Colorado, Boulder, CO, 80309, USA.
| | - Qian Liu
- Chinese Academy of Sciences (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China.
- The MOE Key Laboratory of Weak-Light Nonlinear Photonics and TEDA Applied Physics Institute and School of Physics, Nankai University, Tianjin, 300457, China.
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30
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Hamon C, Sanz-Ortiz MN, Modin E, Hill EH, Scarabelli L, Chuvilin A, Liz-Marzán LM. Hierarchical organization and molecular diffusion in gold nanorod/silica supercrystal nanocomposites. NANOSCALE 2016; 8:7914-22. [PMID: 26961684 PMCID: PMC5317216 DOI: 10.1039/c6nr00712k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 02/26/2016] [Indexed: 05/27/2023]
Abstract
Hierarchical organization of gold nanorods was previously obtained on a substrate, allowing precise control over the morphology of the assemblies and macroscale spatial arrangement. Herein, a thorough description of these gold nanorod assemblies and their orientation within supercrystals is presented together with a sol-gel technique to protect the supercrystals with mesoporous silica films. The internal organization of the nanorods in the supercrystals was characterized by combining focused ion beam ablation and scanning electron microscopy. A mesoporous silica layer is grown both over the supercrystals and between the individual lamellae of gold nanorods inside the structure. This not only prevented the detachment of the supercrystal from the substrate in water, but also allowed small molecule analytes to infiltrate the structure. These nanocomposite substrates show superior Raman enhancement in comparison with gold supercrystals without silica owing to improved accessibility of the plasmonic hot spots to analytes. The patterned supercrystal arrays with enhanced optical and mechanical properties obtained in this work show potential for the practical implementation of nanostructured devices in spatially resolved ultradetection of biomarkers and other analytes.
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Affiliation(s)
- Cyrille Hamon
- Bionanoplasmonics Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastian, Spain.
| | - Marta N Sanz-Ortiz
- Bionanoplasmonics Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastian, Spain.
| | - Evgeny Modin
- Electron Microscopy and Image Processing Interdisciplinary Laboratory, Far Eastern Federal University, Sukhanova 8, 690000, Vladivostok, Russia and Electron Microscopy Laboratory, CIC NanoGUNE Consolider, Tolosa Hiribidea, 76, 20019 Donostia - San Sebastian, Spain
| | - Eric H Hill
- Bionanoplasmonics Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastian, Spain.
| | - Leonardo Scarabelli
- Bionanoplasmonics Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastian, Spain.
| | - Andrey Chuvilin
- Electron Microscopy Laboratory, CIC NanoGUNE Consolider, Tolosa Hiribidea, 76, 20019 Donostia - San Sebastian, Spain and Basque Foundation of Science, IKERBASQUE, 48013 Bilbao, Spain
| | - Luis M Liz-Marzán
- Bionanoplasmonics Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastian, Spain. and Basque Foundation of Science, IKERBASQUE, 48013 Bilbao, Spain and Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine, CIBER-BBN, Spain
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31
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Lee E, Xia Y, Ferrier RC, Kim HN, Gharbi MA, Stebe KJ, Kamien RD, Composto RJ, Yang S. Fine Golden Rings: Tunable Surface Plasmon Resonance from Assembled Nanorods in Topological Defects of Liquid Crystals. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:2731-6. [PMID: 26853906 DOI: 10.1002/adma.201506084] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 12/21/2015] [Indexed: 05/27/2023]
Abstract
Unprecedented, reversible, and dynamic control over an assembly of gold nanorods dispersed in liquid crystals (LC) is demonstrated. The LC director field is dynamically tuned at the nanoscale using microscale ring confinement through the interplay of elastic energy at different temperatures, thus fine-tuning its core replacement energy to reversibly sequester nanoscale inclusions at the microscale. This leads to shifts of 100 nm or more in the surface plasmon resonance peak, an order of magnitude greater than any previous work with AuNR composites.
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Affiliation(s)
- Elaine Lee
- Engineering Directorate, Lawrence Livermore National Laboratory, 7000 East Ave, Livermore, CA, 94550, USA
- Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, PA, 19104, USA
| | - Yu Xia
- Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, PA, 19104, USA
| | - Robert C Ferrier
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, 220 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Hye-Na Kim
- Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, PA, 19104, USA
| | - Mohamed A Gharbi
- Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, PA, 19104, USA
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, 220 South 33rd Street, Philadelphia, PA, 19104, USA
- Department of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Kathleen J Stebe
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, 220 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Randall D Kamien
- Department of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Russell J Composto
- Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, PA, 19104, USA
| | - Shu Yang
- Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, PA, 19104, USA
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32
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Li P, Li Y, Zhou ZK, Tang S, Yu XF, Xiao S, Wu Z, Xiao Q, Zhao Y, Wang H, Chu PK. Evaporative Self-Assembly of Gold Nanorods into Macroscopic 3D Plasmonic Superlattice Arrays. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:2511-2517. [PMID: 26823278 DOI: 10.1002/adma.201505617] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 12/15/2015] [Indexed: 06/05/2023]
Abstract
Millimeter-scale 3D superlattice arrays composed of dense, regular, and vertically aligned gold nanorods are fabricated by evaporative self-assembly. The regular organization of the gold nanorods into a macroscopic superlattice enables the production of a plasmonic substrate with excellent sensitivity and reproducibility, as well as reliability in surface-enhanced Raman scattering. The work bridges the gap between nanoscale materials and macroscopic applications.
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Affiliation(s)
- Penghui Li
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
- Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
| | - Yong Li
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Zhang-Kai Zhou
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-sen (Zhongshan) University, Guangzhou, 510275, P. R. China
| | - Siying Tang
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Xue-Feng Yu
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Shu Xiao
- School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China
| | - Zhongzhen Wu
- School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China
| | - Quanlan Xiao
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Yuetao Zhao
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Huaiyu Wang
- Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, P. R. China
| | - Paul K Chu
- Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
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33
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Nagy N, Zámbó D, Pothorszky S, Gergely-Fülöp E, Deák A. Identification of Dewetting Stages and Preparation of Single Chain Gold Nanoparticle Rings by Colloidal Lithography. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:963-971. [PMID: 26751906 DOI: 10.1021/acs.langmuir.5b04084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Massively parallel nanoparticle assembly was carried out by means of colloidal lithographic experiments over a silicon substrate supported (sub)microparticle Langmuir-Blodgett monolayer, using high purity aqueous solution of PEGylated gold nanoparticles. The size of the polystyrene template particles in the monolayer was varied between 608 nm and 2.48 μm, while gold nanoparticles with diameters between 18 and 65 nm were used. Thanks to the PEGylation of the gold nanoparticles, they could be used as tracer objects to follow the drying process. In this way, different dewetting stages could be identified in the confined space between and underneath the template polystyrene spheres. Depending on the concentration of the nanoparticles, the presented approach allows the preparation of single-particle width necklace structures composed of gold particles. At the same time, the high purity of the substrate as well as of the evolved particle rings is preserved and unwanted particle deposition on the substrate surface is minimized.
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Affiliation(s)
- Norbert Nagy
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 1525 Budapest, P.O. Box 49, Hungary
| | - Dániel Zámbó
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 1525 Budapest, P.O. Box 49, Hungary
| | - Szilárd Pothorszky
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 1525 Budapest, P.O. Box 49, Hungary
| | - Eszter Gergely-Fülöp
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 1525 Budapest, P.O. Box 49, Hungary
| | - András Deák
- Institute of Technical Physics and Materials Science, Centre for Energy Research, 1525 Budapest, P.O. Box 49, Hungary
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34
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Scarabelli L, Sánchez-Iglesias A, Pérez-Juste J, Liz-Marzán LM. A "Tips and Tricks" Practical Guide to the Synthesis of Gold Nanorods. J Phys Chem Lett 2015; 6:4270-9. [PMID: 26538043 DOI: 10.1021/acs.jpclett.5b02123] [Citation(s) in RCA: 218] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Affiliation(s)
- Leonardo Scarabelli
- Bionanoplasmonics Laboratory, CIC biomaGUNE , Paseo de Miramon 182, 20009 Donostia-San Sebastian, Spain
| | - Ana Sánchez-Iglesias
- Bionanoplasmonics Laboratory, CIC biomaGUNE , Paseo de Miramon 182, 20009 Donostia-San Sebastian, Spain
| | - Jorge Pérez-Juste
- Departamento de Quı́mica Fı́sica, Universidade de Vigo , 36310 Vigo, Spain
| | - Luis M Liz-Marzán
- Bionanoplasmonics Laboratory, CIC biomaGUNE , Paseo de Miramon 182, 20009 Donostia-San Sebastian, Spain
- Ikerbasque, Basque Foundation for Science , 48013 Bilbao, Spain
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35
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Hamon C, Novikov SM, Scarabelli L, Solís DM, Altantzis T, Bals S, Taboada JM, Obelleiro F, Liz-Marzán LM. Collective Plasmonic Properties in Few-Layer Gold Nanorod Supercrystals. ACS PHOTONICS 2015; 2:1482-1488. [PMID: 27294173 PMCID: PMC4898864 DOI: 10.1021/acsphotonics.5b00369] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Indexed: 05/25/2023]
Affiliation(s)
- Cyrille Hamon
- Bionanoplasmonics
Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastián, Spain
| | - Sergey M. Novikov
- Bionanoplasmonics
Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastián, Spain
| | - Leonardo Scarabelli
- Bionanoplasmonics
Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastián, Spain
| | - Diego M. Solís
- Department
Teoría de la Señal y Comunicaciones, University of Vigo, 36301 Vigo, Spain
| | - Thomas Altantzis
- EMAT-University
of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - Sara Bals
- EMAT-University
of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
| | - José M. Taboada
- Department
Tec. Computadoras y Comunicaciones, University of Extremadura, 10003 Cáceres, Spain
| | - Fernando Obelleiro
- Department
Teoría de la Señal y Comunicaciones, University of Vigo, 36301 Vigo, Spain
| | - Luis M. Liz-Marzán
- Bionanoplasmonics
Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia - San Sebastián, Spain
- Ikerbasque, Basque
Foundation for Science, 48013 Bilbao, Spain
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36
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Control of stain geometry by drop evaporation of surfactant containing dispersions. Adv Colloid Interface Sci 2015; 222:275-90. [PMID: 25217332 DOI: 10.1016/j.cis.2014.08.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Revised: 08/16/2014] [Accepted: 08/18/2014] [Indexed: 11/22/2022]
Abstract
Control of stain geometry by drop evaporation of surfactant containing dispersions is an important topic of interest because it plays a crucial role in many applications such as forming templates on solid surfaces, in ink-jet printing, spraying of pesticides, micro/nano material fabrication, thin film coatings, biochemical assays, deposition of DNA/RNA micro-arrays, and manufacture of novel optical and electronic materials. This paper presents a review of the published articles on the diffusive drop evaporation of pure liquids (water), the surfactant stains obtained from evaporating drops that do not contain dispersed particles and deposits obtained from drops containing polymer colloids and carbon based particles such as carbon nanotubes, graphite and fullerenes. Experimental results of specific systems and modeling attempts are discussed. This review also has some special subtopics such as suppression of coffee-rings by surfactant addition and "stick-slip" behavior of evaporating nanosuspension drops. In general, the drop evaporation process of a surfactant/particle/substrate system is very complex since dissolved surfactants adsorb on both the insoluble organic/inorganic micro/nanoparticles in the drop, on the air/solution interface and on the substrate surface in different extends. Meanwhile, surfactant adsorbed particles interact with the substrate giving a specific contact angle, and free surfactants create a solutal Marangoni flow in the drop which controls the location of the particle deposition together with the rate of evaporation. In some cases, the presence of a surfactant monolayer at the air/solution interface alters the rate of evaporation. At present, the magnitude of each effect cannot be predicted adequately in advance and consequently they should be carefully studied for any system in order to control the shape and size of the final deposit.
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38
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Khlebtsov BN, Khanadeev VA, Panfilova EV, Bratashov DN, Khlebtsov NG. Gold nanoisland films as reproducible SERS substrates for highly sensitive detection of fungicides. ACS APPLIED MATERIALS & INTERFACES 2015; 7:6518-29. [PMID: 25764374 DOI: 10.1021/acsami.5b01652] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
A wet-chemical approach is used to fabricate centimeter-scale gold nanoisland films (NIFs) with tunable morphology of islands and with strong electromagnetic coupling between them. The approach consists in a uniform seeding of small gold nanoparticles on a glass or silicon substrate, followed by controllable growth of the seeds into small nanoislands. A special technique for TEM sampling was developed to follow the gradual formation of larger-sized isolated nanoparticles, nanoislands of sintered overgrown seeds, and a complete gold layer with nanoscale cracks. The electromagnetic field distribution inside the fabricated NIFs was calculated by FDTD simulations applied to actual TEM images of the fabricated samples rather than to artificial models commonly used. SERS measurements with 1,4-aminothiophenol (ATP) molecules demonstrated the analytical enhancement factor about of 10(7) and the fundamental enhancement factor about of 10(8) for optimized substrates. These values were at least 1 order of magnitude higher than that for self-assembled arrays of gold nanostars and silver nanocubes. SERS spectra of independent samples demonstrated good sample-to-sample reproducibility in terms of the relative standard deviation (RSD) of the main peaks less than 20%. Additionally, Raman maps with 1 μm increment in X-Y directions of NIFs (800 spectral spots) demonstrated good point-to-point repeatability in the intensity of the main Raman vibration modes (RSD varied from 5% to 15% for 50 randomly selected points). A real-life application of the fabricated SERS substrates is exemplified by the detection of the thiram fungicide in apple peels within the 5-250 ppb linear detection range. Specifically, the NIF-based SERS technology detected thiram on apple peel down to level of 5 ng/cm(2).
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Affiliation(s)
- Boris N Khlebtsov
- †Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov 410049, Russia
- ‡Saratov State University, 83 Ulitsa Astrakhanskaya, Saratov 410012, Russia
| | - Vitaly A Khanadeev
- †Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov 410049, Russia
- ‡Saratov State University, 83 Ulitsa Astrakhanskaya, Saratov 410012, Russia
| | - Elizaveta V Panfilova
- †Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov 410049, Russia
| | - Daniil N Bratashov
- ‡Saratov State University, 83 Ulitsa Astrakhanskaya, Saratov 410012, Russia
| | - Nikolai G Khlebtsov
- †Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov 410049, Russia
- ‡Saratov State University, 83 Ulitsa Astrakhanskaya, Saratov 410012, Russia
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39
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Hamon C, Novikov S, Scarabelli L, Basabe-Desmonts L, Liz-Marzán LM. Hierarchical self-assembly of gold nanoparticles into patterned plasmonic nanostructures. ACS NANO 2014; 8:10694-703. [PMID: 25263238 DOI: 10.1021/nn504407z] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The integration of nanoparticle superstructures into daily life applications faces major challenges including the simplification of the self-assembly process, reduced cost, and scalability. It is, however, often difficult to improve on one aspect without losing on another. We present in this paper a benchtop method that allows patterning a macroscopic substrate with gold nanoparticle supercrystals in a one-step process. The method allows parallelization, and patterned substrates can be made with high-throughput. The self-assembly of a variety of building blocks into crystalline superstructures takes place upon solvent evaporation, and their precise placement over millimeter scale areas is induced by confinement of the colloidal suspension in micron-sized cavities. We mainly focus on gold nanorods and demonstrate their hierarchical organization up to the device scale. The height of the formed nanorod supercrystals can be tuned by simply varying nanorod concentration, so that the topography of the substrate and the resulting optical properties can be readily modulated. The crystalline order of the nanorods results in homogeneous and high electric field enhancements over the assemblies, which is demonstrated by surface-enhanced Raman scattering spectroscopy.
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Affiliation(s)
- Cyrille Hamon
- Bionanoplasmonics Laboratory, CIC biomaGUNE, Paseo de Miramón 182, 20009 Donostia-San Sebastian, Spain
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Coelho JP, González-Rubio G, Delices A, Barcina JO, Salgado C, Ávila D, Peña-Rodríguez O, Tardajos G, Guerrero-Martínez A. Polyrotaxane-Mediated Self-Assembly of Gold Nanospheres into Fully Reversible Supercrystals. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201406323] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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41
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Coelho JP, González-Rubio G, Delices A, Barcina JO, Salgado C, Avila D, Peña-Rodríguez O, Tardajos G, Guerrero-Martínez A. Polyrotaxane-mediated self-assembly of gold nanospheres into fully reversible supercrystals. Angew Chem Int Ed Engl 2014; 53:12751-5. [PMID: 25256384 DOI: 10.1002/anie.201406323] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Revised: 09/03/2014] [Indexed: 11/08/2022]
Abstract
The use of a thiol-functionalized nonionic surfactant to stabilize spherical gold nanoparticles in water induces the spontaneous formation of polyrotaxanes at the nanoparticle surface in the presence of the macrocycle α-cyclodextrin. Whereas using an excess of surfactant an amorphous gold nanocomposite is obtained, under controlled drying conditions the self-assembly between the surface supramolecules provides large and homogenous supercrystals with hexagonal close packing of nanoparticles. Once formed, the self-assembled supercrystals can be fully redispersed in water. The reversibility of the crystallization process may offer an excellent reusable material to prepare gold nanoparticle inks and optical sensors with the potential to be recovered after use.
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Affiliation(s)
- Joao Paulo Coelho
- Departamento de Química Física I, Universidad Complutense de Madrid, Avda. Complutense s/n, 28040, Madrid (Spain)
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42
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Bizien T, Even-Hernandez P, Postic M, Mazari E, Chevance S, Bondon A, Hamon C, Troadec D, Largeau L, Dupuis C, Gosse C, Artzner F, Marchi V. Peptidic ligands to control the three-dimensional self-assembly of quantum rods in aqueous media. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2014; 10:3707-3716. [PMID: 24864008 DOI: 10.1002/smll.201400300] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 04/28/2014] [Indexed: 06/03/2023]
Abstract
The use of peptidic ligands is validated as a generic chemical platform allowing one to finely control the organization in solid phase of semiconductor nanorods originally dispersed in an aqueous media. An original method to generate, on a macroscopic scale and with the desired geometry, three-dimensional supracrystals composed of quantum rods is introduced. In a first step, nanorods are transferred in an aqueous phase thanks to the substitution of the original capping layer by peptidic ligands. Infrared and nuclear magnetic resonance spectroscopy data prove that the exchange is complete; fluorescence spectroscopy demonstrates that the emitter optical properties are not significantly altered; electrophoresis and dynamic light scattering experiments assess the good colloidal stability of the resulting aqueous suspension. In a second step, water evaporation in a microstructured environment yields superstructures with a chosen geometry and in which nanorods obey a smectic B arrangement, as shown by electron microscopy. Incidentally, bulk drying in a capillary tube generates a similar local order, as evidenced by small angle X-ray scattering.
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Affiliation(s)
- Thomas Bizien
- Université de Rennes 1, CNRS UMR 6226, Institut des Sciences Chimiques de Rennes, Avenue du Général Leclerc, 35042, Rennes, France; Université de Rennes 1, CNRS UMR 6251, Institut de Physique de Rennes, Avenue du Général Leclerc, 35042, Rennes, France
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43
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Martín A, Schopf C, Pescaglini A, Wang JJ, Iacopino D. Facile formation of ordered vertical arrays by droplet evaporation of Au nanorod organic solutions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:10206-10212. [PMID: 25118960 DOI: 10.1021/la502195n] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Droplet evaporation is a simple method to induce organization of Au nanorods into ordered superstructures. In general, the self-assembly process occurs by evaporation of aqueous suspensions under strictly controlled experimental conditions. Here we present formation of large area ordered vertical arrays by droplet evaporation of Au nanorod organic suspensions. The uncontrolled (free air) evaporation of such suspensions yielded to formation of ordered nanorod domains covering the entire area of a 5 mm diameter droplet. Detailed investigation of the process revealed that nanorods organized into highly ordered vertical domains at the interface between solvent and air on a fast time scale (minutes). The self-assembly process mainly depended on the initial concentration of nanorod solution and required minimal control of other experimental parameters. Nanorod arrays displayed distinct optical properties which were analyzed by optical imaging and spectroscopy and compared to results obtained from theoretical calculations. The potential use of synthesized arrays as surface-enhanced Raman scattering probes was demonstrated with the model molecule 4-aminobenzenthiol.
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Thai T, Zheng Y, Ng SH, Ohshima H, Altissimo M, Bach U. Facile gold nanorod purification by fractionated precipitation. NANOSCALE 2014; 6:6515-6520. [PMID: 24838055 DOI: 10.1039/c4nr01592d] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
An efficient and facile size- and shape-selective separation of gold nanorod (GNR) solutions is developed using a fractionated precipitation strategy. This convenient method has the benefit of eliminating nanoparticulate side products that can substantially deteriorate the quality of self-assembled nanostructures. The fabrication of advanced plasmonic metamaterials crucially depends on the capacity to supply feedstocks of high-purity building blocks.
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Affiliation(s)
- T Thai
- Department of Materials Engineering, Monash University, Wellington Road, Clayton, Victoria 3800, Australia.
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Loubat A, Impéror-Clerc M, Pansu B, Meneau F, Raquet B, Viau G, Lacroix LM. Growth and self-assembly of ultrathin Au nanowires into expanded hexagonal superlattice studied by in situ SAXS. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:4005-12. [PMID: 24665883 DOI: 10.1021/la500549z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
We report the self-assembly of gold nanowires into hexagonal superlattices in liquid phase followed by in situ small-angle X-ray scattering and give new insights into their growth mechanism. The unprecedented large interwire distance of 8 nm strongly suggests the stabilization of the ultrathin gold nanowires by a ligand's double layer composed of oleylamine and oleylammonium chloride. The one-dimensional growth is discussed, opening perspectives toward the control growth and self-assemblies of metallic nanowires.
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Affiliation(s)
- Anaïs Loubat
- INSA, UPS, LPCNO (Laboratoire de Physique et Chimie des Nano-Objets), Université de Toulouse , F-31077 Toulouse, France
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Hamon C, Bizien T, Artzner F, Even-Hernandez P, Marchi V. Replacement of CTAB with peptidic ligands at the surface of gold nanorods and their self-assembling properties. J Colloid Interface Sci 2014; 424:90-7. [PMID: 24767503 DOI: 10.1016/j.jcis.2014.03.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 02/28/2014] [Accepted: 03/01/2014] [Indexed: 10/25/2022]
Abstract
Herein, we describe the self-assembling of gold nanorods (GNRs) induced during the ligand exchange at their surface. An exchange reaction between tricysteine PEGylated peptidic ligands and cetyltrimethylammonium bromide (CTAB)-protected gold nanorods is conducted. We demonstrated that the terminal group charge (positively or negatively charged) and the hydrophobicity of the peptidic ligands (bearing or not an undecanoyl chain) strongly affects the self-organization of the GNRs occurring in solution. Adjusting the amount of short PEGylated peptides causes a self-organization of the gold nanorods in solution, resulting in a red- or blue-shift of the plasmon bands. The decrease of their surface charge and the self-assembling in solution were first shown by zetametry, by Dynamic Light Scattering and UV-spectroscopy. Thanks to Small Angle X-ray Scattering experiments and Transmission Electron Microscopy images, the self-organization of the nanorods in solution was clearly demonstrated and correlated to the spectroscopic change in absorbance. Conversely, in the case of longer PEGylated peptidic ligands including an undecanoyl chain, the GNRs are particularly stable against aggregation for several days after purification. By controlled drying on a substrate, we showed their ability to self-organize into well-defined ordered structures making them very attractive as building blocks to design optical materials.
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Affiliation(s)
- C Hamon
- Institut des Sciences Chimiques de Rennes, University Rennes 1, UMR 6226 C.N.R.S., Campus de Beaulieu, 35042 Rennes Cedex, France
| | - T Bizien
- Institut des Sciences Chimiques de Rennes, University Rennes 1, UMR 6226 C.N.R.S., Campus de Beaulieu, 35042 Rennes Cedex, France; Institut de Physique de Rennes, University Rennes 1, UMR 6251 C.N.R.S., Campus de Beaulieu, 35042 Rennes Cedex, France
| | - F Artzner
- Institut de Physique de Rennes, University Rennes 1, UMR 6251 C.N.R.S., Campus de Beaulieu, 35042 Rennes Cedex, France
| | - P Even-Hernandez
- Institut des Sciences Chimiques de Rennes, University Rennes 1, UMR 6226 C.N.R.S., Campus de Beaulieu, 35042 Rennes Cedex, France
| | - V Marchi
- Institut des Sciences Chimiques de Rennes, University Rennes 1, UMR 6226 C.N.R.S., Campus de Beaulieu, 35042 Rennes Cedex, France.
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47
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LamellarLαMesophases Doped with Inorganic Nanoparticles. Chemphyschem 2014; 15:1270-82. [DOI: 10.1002/cphc.201301187] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Indexed: 11/07/2022]
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48
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Ahmed W, Glass C, Stefan Kooij E, van Ruitenbeek JM. Tuning the oriented deposition of gold nanorods on patterned substrates. NANOTECHNOLOGY 2014; 25:035301. [PMID: 24346261 DOI: 10.1088/0957-4484/25/3/035301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The controlled patterning of anisotropic gold nanoparticles is of crucial importance for many applications related to their optical properties. In this paper, we report that gold nanorods prepared by a seed-mediated synthesis protocol (without any further functionalization) can be selectively deposited on hydrophilic parts of hydrophobic-hydrophilic contrast patterned substrates. We have seen that, when nanorods with lengths much smaller than the width of the hydrophilic stripe are used, they disperse on these stripes with random orientation and tunable uniform particle separation. However, for nanorods having lengths comparable to the width of the hydrophilic stripes, confinement-induced alignment occurs. We observe that different interactions governing the assembly forces can be modulated by controlling the concentration of assembling nanorods and the width of the hydrophilic stripes, leading to markedly different degrees of alignment. Our strategy can be replicated for other anisotropic nanoparticles to produce well-controlled patterning of these nanoentities on surfaces.
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Affiliation(s)
- Waqqar Ahmed
- Kamerlingh Onnes Laboratory, Niels Bohrweg 2, Leiden University, 2333 CA Leiden, The Netherlands. Center for Micro and Nano Devices (CMND), Department of Physics, COMSATS Institute of Information Technology, Islamabad, 44000, Pakistan
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49
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Xiao J, Li Z, Ye X, Ma Y, Qi L. Self-assembly of gold nanorods into vertically aligned, rectangular microplates with a supercrystalline structure. NANOSCALE 2014; 6:996-1004. [PMID: 24292548 DOI: 10.1039/c3nr05343a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Vertically aligned, supercrystalline microplates with a well-defined rectangular shape were fabricated in a large area through self-assembly of gold nanorods by a novel bulk solution evaporation method. This evaporative self-assembly strategy involving continuous movement of the contact line can prevent the coffee-ring effect, thus allowing uniform deposition of discrete GNR superstructures over a large area and favoring the formation of GNR supercrystals with geometrically symmetric shapes. A mechanism based on the continuing nucleation and growth of smectic GNR superstructures accompanying the movement of the contact line was put forward for the formation of the unique GNR supercrystal arrays. Based on this mechanism, a micropatterned substrate was designed to control the nucleation location and growth direction, leading to the spontaneous self-assembly of nearly parallel arrays of vertically aligned, supercrystalline microplates of GNRs. The obtained rectangular-plate-shaped GNR supercrystals exhibited interesting anisotropic optical reflection properties, which were revealed by polarized light microscopy.
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Affiliation(s)
- Junyan Xiao
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry, Peking University, Beijing 100871, China.
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50
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Zhang SY, Regulacio MD, Han MY. Self-assembly of colloidal one-dimensional nanocrystals. Chem Soc Rev 2014; 43:2301-23. [DOI: 10.1039/c3cs60397k] [Citation(s) in RCA: 163] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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