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Hedrich C, James NT, Maragno LG, de Lima V, González SYG, Blick RH, Zierold R, Furlan KP. Enhanced Photocatalytic Properties and Photoinduced Crystallization of TiO 2-Fe 2O 3 Inverse Opals Fabricated by Atomic Layer Deposition. ACS APPLIED MATERIALS & INTERFACES 2024; 16:46964-46974. [PMID: 39225124 DOI: 10.1021/acsami.4c10831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
The use of solar energy for photocatalysis holds great potential for sustainable pollution reduction. Titanium dioxide (TiO2) is a benchmark material, effective under ultraviolet light but limited in visible light utilization, restricting its application in solar-driven photocatalysis. Previous studies have shown that semiconductor heterojunctions and nanostructuring can broaden the TiO2's photocatalytic spectral range. Semiconductor heterojunctions are interfaces formed between two different semiconductor materials that can be engineered. Especially, type II heterojunctions facilitate charge separation, and they can be obtained by combining TiO2 with, for example, iron(III) oxide (Fe2O3). Nanostructuring in the form of 3D inverse opals (IOs) demonstrated increased TiO2 light absorption efficiency of the material, by tailoring light-matter interactions through their photonic crystal structure and specifically their photonic stopband, which can give rise to a slow photon effect. Such effect is hypothesized to enhance the generation of free charges. This work focuses on the above-described effects simultaneously, through the synthesis of TiO2-Fe2O3 IOs via multilayer atomic layer deposition (ALD) and the characterization of their photocatalytic activities. Our results reveal that the complete functionalization of TiO2 IOs with Fe2O3 increases the photocatalytic activity through the slow photon effect and semiconductor heterojunction formation. We systematically explore the influence of Fe2O3 thickness on photocatalytic performance, and a maximum photocatalytic rate constant of 1.38 ± 0.09 h-1 is observed for a 252 nm template TiO2-Fe2O3 bilayer IO consisting of 16 nm TiO2 and 2 nm Fe2O3. Further tailoring the performance by overcoating with additional TiO2 layers enhances photoinduced crystallization and tunes photocatalytic properties. These findings highlight the potential of TiO2-Fe2O3 IOs for efficient water pollutant removal and the importance of precise nanostructuring and heterojunction engineering in advancing photocatalytic technologies.
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Affiliation(s)
- Carina Hedrich
- Center for Hybrid Nanostructures, Universität Hamburg, 22761 Hamburg, Germany
| | - Nithin T James
- Hamburg University of Technology (TUHH), Institute of Advanced Ceramics, Integrated Materials Systems Group, Denickestraße 15, 21073 Hamburg, Germany
| | - Laura G Maragno
- Hamburg University of Technology (TUHH), Institute of Advanced Ceramics, Integrated Materials Systems Group, Denickestraße 15, 21073 Hamburg, Germany
| | - Valéria de Lima
- Federal University of Santa Catarina (UFSC), Department of Chemical and Food Engineering (EQA), 88040-970 Florianópolis, SC, Brazil
| | - Sergio Yesid Gómez González
- Federal University of Santa Catarina (UFSC), Department of Chemical and Food Engineering (EQA), 88040-970 Florianópolis, SC, Brazil
| | - Robert H Blick
- Center for Hybrid Nanostructures, Universität Hamburg, 22761 Hamburg, Germany
| | - Robert Zierold
- Center for Hybrid Nanostructures, Universität Hamburg, 22761 Hamburg, Germany
| | - Kaline P Furlan
- Hamburg University of Technology (TUHH), Institute of Advanced Ceramics, Integrated Materials Systems Group, Denickestraße 15, 21073 Hamburg, Germany
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2
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Lotito V, Zambelli T. Heat: A powerful tool for colloidal particle shaping. Adv Colloid Interface Sci 2024; 331:103240. [PMID: 39024831 DOI: 10.1016/j.cis.2024.103240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 06/10/2024] [Accepted: 06/16/2024] [Indexed: 07/20/2024]
Abstract
Colloidal particles of spherical shape are important building blocks for nanotechnological applications. Materials with tailored physical properties can be directly synthesized from self-assembled particles, as is the case for colloidal photonic crystals. In addition, colloidal monolayers and multilayers can be exploited as a mask for the fabrication of complex nanostructures via a colloidal lithography process for applications ranging from optoelectronics to sensing. Several techniques have been adopted to modify the shape of both individual colloidal particles and colloidal masks. Thermal treatment of colloidal particles is an effective route to introduce colloidal particle deformation or to manipulate colloidal masks (i.e. to tune the size of the interstices between colloidal particles) by heating them at elevated temperatures above a certain critical temperature for the particle material. In particular, this type of morphological manipulation based on thermal treatments has been extensively applied to polymer particles. Nonetheless, interesting shaping effects have been observed also in inorganic materials, in particular silica particles. Due to their much less complex implementation and distinctive shaping effects in comparison to dry etching or high energy ion beam irradiation, thermal treatments turn out to be a powerful and competitive tool to induce colloidal particle deformation. In this review, we examine the physicochemical principles and mechanisms of heat-induced shaping as well as its experimental implementation. We also explore its applications, going from tailored masks for colloidal lithography to the fabrication of colloidal assemblies directly useful for their intrinsic optical, thermal and mechanical properties (e.g. thermal switches) and even to the synthesis of supraparticles and anisotropic particles, such as doublets.
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Affiliation(s)
- Valeria Lotito
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zurich, Gloriastrasse 35, 8092 Zurich, Switzerland.
| | - Tomaso Zambelli
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zurich, Gloriastrasse 35, 8092 Zurich, Switzerland.
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3
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Vasileiadis T, Schöttle M, Theis M, Retsch M, Fytas G, Graczykowski B. Elasticity Mapping of Colloidal Glasses Reveals the Interplay between Mesoscopic Order and Granular Mechanics. SMALL METHODS 2024:e2400855. [PMID: 39139008 DOI: 10.1002/smtd.202400855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Indexed: 08/15/2024]
Abstract
Colloidal glasses (CGs) made of polymer (polymethylmethacrylate) nanoparticles are promising metamaterials for light and sound manipulation, but fabrication imperfections and fragility can limit their functionality and applications. Here, the vibrational mechanical modes of nanoparticles are probed to evaluate the nanomechanical and morphological properties of various CGs architectures. Utilizing the scanning micro-Brillouin light scattering (µ-BLS), the effective elastic constants and nanoparticles' sizes is determined as a function of position in a remote and non-destructive manner. This method is applied to CG mesostructures with different spatial distributions of their particle size and degree of order. These include CGs with single-sized systems, binary mixtures, bilayer structures, continuous gradient structures, and gradient mixtures. The microenvironments govern the local mechanical properties and highlight how the granular mesostructure can be used to develop durable functional polymer colloids. A size effect is revealed on the effective elastic constant, with the smallest particles and ordered assemblies forming robust structures, and classify the various types of mesoscale order in terms of their mechanical stiffness. The work establishes scanning µ-BLS as a tool for mapping elasticity, particle size, and local structure in complex nanostructures.
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Affiliation(s)
- Thomas Vasileiadis
- Faculty of Physics, Adam Mickiewicz University, Uniwersytetu Poznanskiego 2, Poznan, 61-614, Poland
| | - Marius Schöttle
- Department of Chemistry, Physical Chemistry I, University of Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany
| | - Maximilian Theis
- Department of Chemistry, Physical Chemistry I, University of Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany
| | - Markus Retsch
- Department of Chemistry, Physical Chemistry I, University of Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany
- Bavarian Center for Battery Technology (BayBatt), Weiherstraße 26, 95448, Bayreuth, Germany
- Bavarian Polymer Institute (BPI), Bayreuth Center for Colloids and Interfaces (BZKG), Universitätsstraße 30, 95447, Bayreuth, Germany
| | - George Fytas
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Institute of Electronic Structure and Laser, FORTH, N. Plastira 100, Heraklion, 70013, Greece
| | - Bartlomiej Graczykowski
- Faculty of Physics, Adam Mickiewicz University, Uniwersytetu Poznanskiego 2, Poznan, 61-614, Poland
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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4
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Ta VD, Nguyen TV, Doan TA, Duong DC, Caixeiro S, Saxena D, Sapienza R. Random lasing in micron-sized individual supraparticles. OPTICS LETTERS 2024; 49:3886-3889. [PMID: 39008733 DOI: 10.1364/ol.524897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/06/2024] [Indexed: 07/17/2024]
Abstract
Self-assembled fluorescent particles have shown promise as a potential structure for random lasers. However, obtaining micron-sized random lasers made with fluorescent particles remains a challenge. Theoretically, achieving micron-sized random lasers could be possible by assembling supraparticles composed of colloidal particles. Despite extensive research on supraparticles, the generation of random lasers from this structure is rarely reported. In this study, we introduce a rapid and efficient method for producing supraparticles from fluorescent particles. The resulting supraparticles exhibit diameters ranging from 50 to 150 µm with particles well-connected and uniformly distributed throughout their structure. Under optical excitation, supraparticles with a diameter larger than 80 µm demonstrate lasing emission with a threshold of approximately 77 μJ·mm-2. Larger supraparticles exhibit a distinct redshift in lasing wavelength compared to the smaller ones. Specifically, the central peak lasing wavelength shows a shift of about 7.5 nm as the supraparticle diameter increases from 80 to 150 μm.
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Ni Y, Jiang D, An X, Wang W, Xu F, Liu HW, Chen Z. Low-triggering-potential electrochemiluminescence based on mental-organic frameworks encapsulation of ruthenium for synthetic cathinone detection by coupling photonic crystal light-scattering signal amplification of covalent-organic frameworks. Anal Chim Acta 2024; 1312:342763. [PMID: 38834278 DOI: 10.1016/j.aca.2024.342763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/07/2024] [Accepted: 05/20/2024] [Indexed: 06/06/2024]
Abstract
Developing effective electrochemiluminescence (ECL) platforms is always an essential concern in highly sensitive bioanalysis. In this work, a low-triggering-potential ECL sensor was designed for detecting synthetic cathinone 3,4-methylenedioxypyrovalerone (MDPV) based on a dual-signal amplification strategy. Initially, a probe was created by integrating Ruthenium into the hollow porphyrin-based MOF (PCN-222) structure to decrease the excitation potential and enhance ECL performance without external co-reaction accelerators. Additionally, for the first time, photonic crystals (PCs) assembled from covalent organic frameworks (COFs) were employed to amplify the ECL signal, thereby increasing the photon flux and the loading capacity of the ECL emitter to enhance sensitivity of the sensor. In the presence of the target MDPV, the aptamer labeled with Ferrocene (Fc) experienced conformational changes, causing Fc to approach the luminophore and resulting in ECL quenching. This effect was attributed to aptamer's conformational changes induced by the target, directly correlating with the target concentration. The constructed sensor showed good linearity with the target MDPV concentration, covering a dynamic range from 1.0 × 10-14 to 1.0 × 10-6 g/L and achieved an ultra-low detection limit of 4.79 × 10-15 g/L. This work employed dual amplification strategies to enhance ECL signals effectively, providing a novel method for developing highly responsive and bioactive sensors.
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Affiliation(s)
- Yuan Ni
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China
| | - Ding Jiang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China
| | - Xiaomei An
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China
| | - Wenchang Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China; Analysis and Testing Center, NERC Biomass of Changzhou University, Jiangsu, 213032, China
| | - Fangmin Xu
- Institute of Forensic Science, Public Security Bureau of Jiangyin, Wuxi, 214431, China
| | - Hong Wei Liu
- Jiangsu Key Laboratory of Materials Surface Science and Technology, Changzhou University, Changzhou, Jiangsu, 213164, China; Department of Orthopedics, The Affiliated Changzhou Second People's Hospital of Nanjing Medical University, Changzhou, 213164, Jiangsu Province, China
| | - Zhidong Chen
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China; Jiangsu Key Laboratory of Materials Surface Science and Technology, Changzhou University, Changzhou, Jiangsu, 213164, China.
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6
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Li X, Yin Z, She Z, Wang Y, Khabibulla P, Kayumov J, Liu G, Zhou L, Zhu G. Structural Colored Fabric Based on Monodisperse Cu 2O Microspheres. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3238. [PMID: 38998321 PMCID: PMC11243497 DOI: 10.3390/ma17133238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/24/2024] [Accepted: 06/27/2024] [Indexed: 07/14/2024]
Abstract
Structural-colored fabrics have been attracting much attention due to their eco-friendliness, dyelessness, and anti-fading properties. Monodisperse microspheres of metal, metal oxide, and semiconductors are promising materials for creating photonic crystals and structural colors owing to their high refractive indices. Herein, Cu2O microspheres were prepared by a two-step reduction method at room temperature; the size of Cu2O microspheres was controlled by changing the molar ratio of citrate to Cu2+; and the size of Cu2O microspheres was tuned from 275 nm to 190 nm. The Cu2O microsphere dispersions were prepared with the monodispersity of Cu2O microspheres. Furthermore, the effect of the concentration of Cu2O microsphere and poly(butyl acrylate) on the structural color was also evaluated. Finally, the stability of the structural color against friction and bending was also tested. The results demonstrated that the different structural colors of fabrics were achieved by adjusting the size of the Cu2O microsphere, and the color fastness of the structural color was improved by using poly(butyl acrylate) as the adhesive.
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Affiliation(s)
- Xiaowen Li
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China; (X.L.); (Z.S.); (G.L.); (L.Z.)
| | - Zhen Yin
- College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China; (Z.Y.); (Y.W.)
| | - Zhanghan She
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China; (X.L.); (Z.S.); (G.L.); (L.Z.)
| | - Yan Wang
- College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China; (Z.Y.); (Y.W.)
- Zhejiang-Czech Joint Laboratory of Advanced Fiber Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Parpiev Khabibulla
- Department of Technology of Textile Industry Products, Namangan Institute of Engineering and Technology, 7, Kasansay Street, Namangan 160115, Uzbekistan;
| | - Juramirza Kayumov
- Department of Civil Engineering, Samarkand State Architecture and Construction University, Samarkand 140143, Uzbekistan;
| | - Guojin Liu
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China; (X.L.); (Z.S.); (G.L.); (L.Z.)
| | - Lan Zhou
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China; (X.L.); (Z.S.); (G.L.); (L.Z.)
| | - Guocheng Zhu
- College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China; (Z.Y.); (Y.W.)
- Zhejiang-Czech Joint Laboratory of Advanced Fiber Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
- Zhejiang Provincial Innovation Center of Advanced Textile Technology, Shaoxing 312000, China
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7
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Shi G, Si L, Cai J, Jiang H, Liu Y, Luo W, Ma H, Guan J. Photonic Nanochains for Continuous Glucose Monitoring in Physiological Environment. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:964. [PMID: 38869588 PMCID: PMC11174108 DOI: 10.3390/nano14110964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/22/2024] [Accepted: 05/28/2024] [Indexed: 06/14/2024]
Abstract
Diabetes is a common disease that seriously endangers human health. Continuous glucose monitoring (CGM) is important for the prevention and treatment of diabetes. Glucose-sensing photonic nanochains (PNCs) have the advantages of naked-eye colorimetric readouts, short response time and noninvasive detection of diabetes, showing immense potential in CGM systems. However, the developed PNCs cannot disperse in physiological environment at the pH of 7.4 because of their poor hydrophilicity. In this study, we report a new kind of PNCs that can continuously and reversibly detect the concentration of glucose (Cg) in physiological environment at the pH of 7.4. Polyacrylic acid (PAA) added to the preparation of PNCs forms hydrogen bonds with polyvinylpyrrolidone (PVP) in Fe3O4@PVP colloidal nanoparticles and the hydrophilic monomer N-2-hydroxyethyl acrylamide (HEAAm), which increases the content of PHEAAm in the polymer shell of prepared PNCs. Moreover, 4-(2-acrylamidoethylcarbamoyl)-3-fluorophenylboronic acid (AFPBA), with a relatively low pKa value, is used as the glucose-sensing monomer to further improve the hydrophilicity and glucose-sensing performances of PNCs. The obtained Fe3O4@(PVP-PAA)@poly(AFPBA-co-HEAAm) PNCs disperse in artificial serum and change color from yellow-green to red when Cg increases from 3.9 mM to 11.4 mM, showing application potential for straightforward CGM.
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Affiliation(s)
- Gongpu Shi
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China; (G.S.); (L.S.); (H.J.); (Y.L.); (J.G.)
| | - Luying Si
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China; (G.S.); (L.S.); (H.J.); (Y.L.); (J.G.)
| | - Jinyang Cai
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China;
| | - Hao Jiang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China; (G.S.); (L.S.); (H.J.); (Y.L.); (J.G.)
| | - Yun Liu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China; (G.S.); (L.S.); (H.J.); (Y.L.); (J.G.)
| | - Wei Luo
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China;
| | - Huiru Ma
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Jianguo Guan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China; (G.S.); (L.S.); (H.J.); (Y.L.); (J.G.)
- Wuhan Institute of Photochemistry and Technology, 7 North Bingang Road, Wuhan 430083, China
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Zhou S, Zhang C, Fu Z, Zhu Q, Zhou Z, Gong J, Zhu N, Wang X, Wei X, Xia L, Xu W. Color construction of multi-colored carbon fibers using glucose. Nat Commun 2024; 15:1979. [PMID: 38438379 PMCID: PMC10912437 DOI: 10.1038/s41467-024-46395-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 02/23/2024] [Indexed: 03/06/2024] Open
Abstract
Carbon fibers (CFs) have attracted attention in the automotive, aviation, and aerospace industries. However, the coloration of CFs is challenging due to their brittleness, inertness, complexity, and time/energy-intensive processes. Herein, inspired by the naturally grown protrusive nanostructures on the green central surface of peacock back feathers, we report an in-situ self-growing strategy for developing carbon spheres (CSs) on the CFs surface to achieve color tuning. This is achieved via the dynamic growth of CSs using glucose as the feeding material. Combined with the coloration process, the interaction between CSs and CFs promotes stable interfacial forces in integrated molding. This strategy allows the coloring system to continuously vary its color in a designated manner, thereby, endowing it with satisfactory mechanical robustness, acid durability, and light fastness. We anticipate this developed approach can be potentially competitive in the color construction of CFs with multi-colors due to its low-cost manufacturing.
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Affiliation(s)
- Sijie Zhou
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
- College of Textiles, Donghua University, Shanghai, 201620, China
| | - Chunhua Zhang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Zhuan Fu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
- College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Qimeng Zhu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Zhaozixuan Zhou
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Junyao Gong
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Na Zhu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Xiaofeng Wang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Xinjie Wei
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China
| | - Liangjun Xia
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China.
| | - Weilin Xu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, China.
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Pham QN, Barako MT, Won Y. Grain Crystallinity, Anisotropy, and Boundaries Govern Microscale Hydrodynamic Transport in Semicrystalline Porous Media. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:39-51. [PMID: 38047529 DOI: 10.1021/acs.langmuir.3c01276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Polycrystallinity is often an unintended consequence of real manufacturing processes used to produce designer porous media with deterministic and periodic architectures. Porous media are widely employed as high-surface conduits for fluid transport; unfortunately, even small concentrations of defects in the long-range order become the dominant impediment to hydrodynamic transport. In this study, we isolate the effects of these defects using a microfluidic analogy to energy transport in atomic polycrystals by directly tracking capillary transport through polycrystalline inverse opals. We reveal─using high-fidelity florescent microscopy─the boundary-limited nature of flow motions, along with nonlinear impedance elements introduced by the presence of "grain boundaries" that are separating the well-ordered "crystalline grains". Coupled crystallinity, anisotropy, and linear defect density contribute to direction-dominated flow characteristics in a discretized manner rather than traditional diffusive-like flow patterns. Separating individual crystal grains' transport properties from polycrystals along with new probabilistic data sets enables demonstrating statistical predictive models. These results provide fundamental insight into transport phenomena in (poly)crystalline porous media beyond the deterministic properties of an idealized unit cell and bridge the gap between engineering models and the ubiquitous imperfections found in manufactured porous materials.
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Affiliation(s)
- Quang N Pham
- Materials and Manufacturing Technology, University of California, Irvine, Irvine, California 92697, United States
| | - Michael T Barako
- NG Next Basic Research Laboratory, Northrop Grumman Corporation, Redondo Beach, California 90278, United States
| | - Yoonjin Won
- Materials and Manufacturing Technology, University of California, Irvine, Irvine, California 92697, United States
- Mechanical and Aerospace Engineering, University of California, Irvine, California 92697, United States
- Materials Science and Engineering, University of California, Irvine 92697, United States
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10
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Nam SK, Amstad E, Kim SH. Hydrogel-Encased Photonic Microspheres with Enhanced Color Saturation and High Suspension Stability. ACS APPLIED MATERIALS & INTERFACES 2023; 15:58761-58769. [PMID: 38084724 DOI: 10.1021/acsami.3c14364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Regular arrays of colloidal particles can produce striking structural colors without the need for any chemical pigments. Regular arrays of colloidal particles can be processed into microparticles via emulsion templates for use as structural colorants. Photonic microparticles, however, suffer from intense incoherent scattering and lack of suspension stability. We propose a microfluidic technique to generate hydrogel-shelled photonic microspheres that display enhanced color saturation and suspension stability. We created these microspheres using oil-in-water-in-oil (O/W/O) double-emulsion droplets with well-defined dimensions with a capillary microfluidic device. The inner oil droplet contains silica particles in a photocurable monomer, while the middle water droplet carries the hydrogel precursor. Within the inner oil droplet, silica particles arrange into crystalline arrays due to solvation-layer-induced interparticle repulsion. UV irradiation solidifies the inner photonic core and the outer hydrogel shell. The hydrogel shell reduces white scattering and enhances the suspension stability in water. Notably, the hydrogel precursor in the water droplet aids in maintaining the solvation layer, resulting in enhanced crystallinity and richer colors compared with microspheres from O/W single-emulsion droplets. These hydrogel-encased photonic microspheres show promise as structural colorants in water-based inks and polymer composites.
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Affiliation(s)
- Seong Kyeong Nam
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Esther Amstad
- Institute of Materials, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Shin-Hyun Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
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11
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Li Q, Chen Z, Zhang Y, Ding S, Ding H, Wang L, Xie Z, Fu Y, Wei M, Liu S, Chen J, Wang X, Gu Z. Imaging cellular forces with photonic crystals. Nat Commun 2023; 14:7369. [PMID: 37963911 PMCID: PMC10646022 DOI: 10.1038/s41467-023-43090-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 10/31/2023] [Indexed: 11/16/2023] Open
Abstract
Current techniques for visualizing and quantifying cellular forces have limitations in live cell imaging, throughput, and multi-scale analysis, which impede progress in cell force research and its practical applications. We developed a photonic crystal cellular force microscopy (PCCFM) to image vertical cell forces over a wide field of view (1.3 mm ⨯ 1.0 mm, a 10 ⨯ objective image) at high speed (about 20 frames per second) without references. The photonic crystal hydrogel substrate (PCS) converts micro-nano deformations into perceivable color changes, enabling in situ visualization and quantification of tiny vertical cell forces with high throughput. It enabled long-term, cross-scale monitoring from subcellular focal adhesions to tissue-level cell sheets and aggregates.
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Affiliation(s)
- Qiwei Li
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Zaozao Chen
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
- Institute of Biomaterials and Medical Devices, Southeast University, 215163, Suzhou, Jiangsu, China
| | - Ying Zhang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Shuang Ding
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Haibo Ding
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Luping Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
- Faculty of Sports Science, Ningbo University, 315211, Ningbo, China
| | - Zhuoying Xie
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Yifu Fu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Mengxiao Wei
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Shengnan Liu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Jialun Chen
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Xuan Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China
| | - Zhongze Gu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, 210096, Nanjing, Jiangsu, China.
- Institute of Biomaterials and Medical Devices, Southeast University, 215163, Suzhou, Jiangsu, China.
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12
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Zhang X, Dai X, Gao L, Xu D, Wan H, Wang Y, Yan LT. The entropy-controlled strategy in self-assembling systems. Chem Soc Rev 2023; 52:6806-6837. [PMID: 37743794 DOI: 10.1039/d3cs00347g] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Self-assembly of various building blocks has been considered as a powerful approach to generate novel materials with tailorable structures and optimal properties. Understanding physicochemical interactions and mechanisms related to structural formation and transitions is of essential importance for this approach. Although it is well-known that diverse forces and energies can significantly contribute to the structures and properties of self-assembling systems, the potential entropic contribution remains less well understood. The past few years have witnessed rapid progress in addressing the entropic effects on the structures, responses, and functions in the self-assembling systems, and many breakthroughs have been achieved. This review provides a framework regarding the entropy-controlled strategy of self-assembly, through which the structures and properties can be tailored by effectively tuning the entropic contribution and its interplay with the enthalpic counterpart. First, we focus on the fundamentals of entropy in thermodynamics and the entropy types that can be explored for self-assembly. Second, we discuss the rules of entropy in regulating the structural organization in self-assembly and delineate the entropic force and superentropic effect. Third, we introduce the basic principles, significance and approaches of the entropy-controlled strategy in self-assembly. Finally, we present the applications where this strategy has been employed in fields like colloids, macromolecular systems and nonequilibrium assembly. This review concludes with a discussion on future directions and future research opportunities for developing and applying the entropy-controlled strategy in complex self-assembling systems.
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Affiliation(s)
- Xuanyu Zhang
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Xiaobin Dai
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Lijuan Gao
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Duo Xu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Haixiao Wan
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Yuming Wang
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Li-Tang Yan
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
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13
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Weidinger B, Yang G, von Coelln N, Nirschl H, Wacker I, Tegeder P, Schröder RR, Blasco E. 3D Printing Hierarchically Nano-Ordered Structures. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302756. [PMID: 37532671 PMCID: PMC10558687 DOI: 10.1002/advs.202302756] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/27/2023] [Indexed: 08/04/2023]
Abstract
Natural materials are composed of a limited number of molecular building blocks and their exceptional properties are governed by their hierarchical structure. However, this level of precision is unattainable with current state-of-the-art materials for 3D printing. Herein, new self-assembled printable materials based on block copolymers (BCPs) enabling precise control of the nanostructure in 3D are presented. In particular, well-defined BCPs consisting of poly(styrene) (PS) and a polymethacrylate-based copolymer decorated with printable units are selected as suitable self-assembled materials and synthesized using controlled radical polymerization. The synthesized library of BCPs are utilized as printable formulations for the fabrication of complex 3D microstructures using two-photon laser printing. By fine-tuning the BCP composition and solvent in the formulations, the fabrication of precise 3D nano-ordered structures is demonstrated for the first time. A key point of this work is the achievement of controlled nano-order within the entire 3D structures. Thus, imaging of the cross-sections of the 3D printed samples is performed, enabling the visualization also from the inside. The presented versatile approach is expected to create new avenues for the precise design of functional polymer materials suitable for high-resolution 3D printing exhibiting tailor-made nanostructures.
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Affiliation(s)
- Britta Weidinger
- Insitute for Molecular Systems Engineering and Advanced MaterialsUniversität HeidelbergIm Neuenheimer Feld 22569120HeidelbergGermany
- Institute of Organic ChemistryUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Guohui Yang
- Institute of Mechanical Process Engineering and Mechanics, Karlsruhe Institute of Technology (KIT)76131KarlsruheGermany
| | - Nadine von Coelln
- Physikalisch‐Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 25369120HeidelbergGermany
| | - Hermann Nirschl
- Institute of Mechanical Process Engineering and Mechanics, Karlsruhe Institute of Technology (KIT)76131KarlsruheGermany
| | - Irene Wacker
- BioQuantUniversität HeidelbergIm Neuenheimer Feld 26769120HeidelbergGermany
| | - Petra Tegeder
- Physikalisch‐Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 25369120HeidelbergGermany
| | - Rasmus R. Schröder
- BioQuantUniversität HeidelbergIm Neuenheimer Feld 26769120HeidelbergGermany
| | - Eva Blasco
- Insitute for Molecular Systems Engineering and Advanced MaterialsUniversität HeidelbergIm Neuenheimer Feld 22569120HeidelbergGermany
- Institute of Organic ChemistryUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
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14
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Pariente JA, Bayat F, Blanco A, García-Martín A, Pecharromán C, Marqués MI, López C. Fano-Like Resonance from Disorder Correlation in Vacancy-Doped Photonic Crystals. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302355. [PMID: 37282744 DOI: 10.1002/smll.202302355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/12/2023] [Indexed: 06/08/2023]
Abstract
By preparing colloidal crystals with random missing scatterers, crystals are created where disorder is embodied as vacancies in an otherwise perfect lattice. In this special system, there is a critical defect concentration where light propagation undergoes a transition from an all but perfect reflector (for the spectral range defined by the Bragg condition), to a metamaterial exhibiting an enhanced transmission phenomenon. It is shown that this behavior can be phenomenologically described in terms of Fano-like resonances. The results show that the Fano's parameter q experiences a sign change signaling the transition from a perfect crystal exhibiting a reflectance Bragg peak, through a state where background scattering is maximum and Bragg reflectance reaches a minimum to a point where the system reenters a low scattering state recovering ordinary Bragg diffraction. A simple dipolar model considering the correlation between scatterers and vacancies is proposed and the reported evolution of the Fano-like scattering is explained in terms of the emerging covariance between the optical paths and polarizabilities and the effect of field enhancement in photonic crystal (PhC) defects.
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Affiliation(s)
- Jose Angel Pariente
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Calle Sor Juana Inés de la Cruz 3, Madrid, E-28049, Spain
| | - Farzaneh Bayat
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Calle Sor Juana Inés de la Cruz 3, Madrid, E-28049, Spain
- Department of Physics, Azarbaijan Shahid Madani University (ASMU), Tabriz, 53751-71379, Iran
| | - Alvaro Blanco
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Calle Sor Juana Inés de la Cruz 3, Madrid, E-28049, Spain
| | - Antonio García-Martín
- Instituto de Micro y Nanotecnología (IMN-CNM), Consejo Superior de Investigaciones Científicas (CSIC), Isaac Newton 8 (PTM), Tres Cantos, Madrid, E-28760, Spain
| | - Carlos Pecharromán
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Calle Sor Juana Inés de la Cruz 3, Madrid, E-28049, Spain
| | - Manuel I Marqués
- Departamento de Física de Materiales & Condensed Matter Physics Center (IFIMAC) & Nicolás Cabrera Institute, Universidad Autónoma de Madrid (UAM), Av. F. Tomás y Valiente, Madrid, 28049, Spain
| | - Cefe López
- Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC), Calle Sor Juana Inés de la Cruz 3, Madrid, E-28049, Spain
- Donostia International Physics Center, P° Manuel Lardizábal 4, San Sebastián, Guipuzcoa, 20018, Spain
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15
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Fonseca J, Meng L, Moronta P, Imaz I, López C, Maspoch D. Assembly of Covalent Organic Frameworks into Colloidal Photonic Crystals. J Am Chem Soc 2023; 145:20163-20168. [PMID: 37672353 PMCID: PMC10515629 DOI: 10.1021/jacs.3c06265] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Indexed: 09/08/2023]
Abstract
Self-assembly of colloidal particles into ordered superstructures is an important strategy to discover new materials, such as catalysts, plasmonic sensing materials, storage systems, and photonic crystals (PhCs). Here we show that porous covalent organic frameworks (COFs) can be used as colloidal building particles to fabricate porous PhCs with an underlying face-centered cubic (fcc) arrangement. We demonstrate that the Bragg reflection of these can be tuned by controlling the size of the COF particles and that species can be adsorbed within the pores of the COF particles, which in turn alters the Bragg reflection. Given the vast number of existing COFs, with their rich properties and broad modularity, we expect that our discovery will enable the development of colloidal PhCs with unprecedented functionality.
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Affiliation(s)
- Javier Fonseca
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Departament
de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Lingxin Meng
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Departament
de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Pedro Moronta
- Instituto
de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones
Científicas (CSIC), Calle Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
| | - Inhar Imaz
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Departament
de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Cefe López
- Instituto
de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones
Científicas (CSIC), Calle Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
| | - Daniel Maspoch
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Departament
de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- ICREA, Pg. Lluís
Companys 23, 08010 Barcelona, Spain
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16
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Dwyer T, Moore TC, Anderson JA, Glotzer SC. Tunable assembly of host-guest colloidal crystals. SOFT MATTER 2023; 19:7011-7019. [PMID: 37671647 DOI: 10.1039/d3sm00891f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Entropy compartmentalization provides new self-assembly routes to colloidal host-guest (HG) structures. Leveraging host particle shape to drive the assembly of HG structures has only recently been proposed and demonstrated. However, the extent to which the guest particles can dictate the structure of the porous network of host particles has not been explored. In this work, by modifying only the guest shape, we show athermal, binary mixtures of star-shaped host particles and convex polygon-shaped guest particles assemble as many as five distinct crystal structures, including rotator and discrete rotator guest crystals, two homoporous host crystals, and one heteroporous host crystal. Edge-to-edge alignment of neighboring stars results in the formation of three distinct pore motifs, whose preferential formation is controlled by the size and shape of the guest particles. Finally, we confirm, via free volume calculations, that assembly is driven by entropy compartmentalization, where the hosts and guests contribute differently to the free energy of the system; free volume calculations also explain differences in assembly based on guest shape. These results provide guest design rules for assembling colloidal HG structures, especially on surfaces and interfaces.
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Affiliation(s)
- Tobias Dwyer
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA.
| | - Timothy C Moore
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA.
| | | | - Sharon C Glotzer
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA.
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI, USA
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17
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Heo J, Lee J, Shim W, Kim H, Fujii S, Lim J, Kappl M, Butt HJ, Wooh S. Evaporation-driven Supraparticle Synthesis by Self-Lubricating Colloidal Dispersion Microdrops. ACS APPLIED MATERIALS & INTERFACES 2023; 15:38986-38995. [PMID: 37530444 DOI: 10.1021/acsami.3c07719] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
The surface-templated evaporation-driven (S-TED) method that uses liquid-repellent surfaces has attracted considerable attention for its use in fabricating supraparticles of defined shape, size, and porosity. However, challenges in achieving mass production have impeded the widespread adoption of the S-TED method. To overcome this limit, we introduce an evaporation-driven "multiple supraparticle" synthesis by drying arrays of self-lubricating colloidal dispersion microdrops. To facilitate this synthetic method, a hydrophilic micropattern is prepared on a hydrophobic substrate as a template. During the removal of the substrate out of a dispersion, liquid drops are trapped and generate a microdrop array. To produce supraparticles, the contact lines of the trapped drops must be able to recede freely during evaporation. However, hydrophilic micropatterns induce strong contact line pinning for microdrops that hinders supraparticle formation. Herein, we solve this contradiction by employing an Ouzo-like colloidal dispersion, where we can control the wettability of the drop trapping domain. The self-lubrication effect provided by the Ouzo-like solution enables smooth movement of the drops' contact lines during evaporation, thereby resulting in the successful fabrication of supraparticle arrays even within the trapping domain. This strategy offers a promising and scalable approach for large-scale evaporation-driven supraparticle synthesis with a potential for extension to various primary colloidal particles, further broadening its applicability.
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Affiliation(s)
- Jeongbin Heo
- School of Chemical Engineering and Materials Science, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Jaeseung Lee
- School of Chemical Engineering and Materials Science, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Wonmi Shim
- School of Chemical Engineering and Materials Science, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Hyeonjin Kim
- School of Chemical Engineering and Materials Science, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Syuji Fujii
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Omiya, Asahi-ku, Osaka 535-8585, Japan
| | - Jaehoon Lim
- SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Michael Kappl
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz D-55128, Germany
| | - Hans-Jürgen Butt
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz D-55128, Germany
| | - Sanghyuk Wooh
- School of Chemical Engineering and Materials Science, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
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18
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Zhang Z, Vogelbacher F, Song Y, Tian Y, Li M. Bio-inspired optical structures for enhancing luminescence. EXPLORATION (BEIJING, CHINA) 2023; 3:20220052. [PMID: 37933238 PMCID: PMC10624395 DOI: 10.1002/exp.20220052] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 12/06/2022] [Indexed: 11/08/2023]
Abstract
Luminescence is an essential signal for many plants, insects, and marine organisms to attract the opposite sex, avoid predators, and so on. Most luminescent living organisms have ingenious optical structures which can help them get high luminescent performances. These remarkable and efficient structures have been formed by natural selection from long-time evolution. Researchers keenly observed the enhanced luminescence phenomena and studied how these phenomena happen in order to learn the characteristics of bio-photonics. In this review, we summarize the optical structures for enhancing luminescence and their applications. The structures are classified according to their different functions. We focus on how researchers use these biological inspirations to enhance different luminescence processes, such as chemiluminescence (CL), photoluminescence (PL), and electroluminescence (EL). It lays a foundation for further research on the applications of luminescence enhancement. Furthermore, we give examples of luminescence enhancement by bio-inspired structures in information encryption, biochemical detection, and light sources. These examples show that it is possible to use bio-inspired optical structures to solve complex problems in optical applications. Our work will provide guidance for research on biomimetic optics, micro- and nano-optical structures, and enhanced luminescence.
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Affiliation(s)
- Zemin Zhang
- Key Laboratory of Green Printing, Institute of ChemistryChinese Academy of SciencesBeijingP. R. China
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Beijing Advanced Innovation Center for Imaging TechnologyCapital Normal UniversityBeijingP. R. China
| | - Florian Vogelbacher
- Key Laboratory of Green Printing, Institute of ChemistryChinese Academy of SciencesBeijingP. R. China
| | - Yanlin Song
- Key Laboratory of Green Printing, Institute of ChemistryChinese Academy of SciencesBeijingP. R. China
| | - Yang Tian
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Beijing Advanced Innovation Center for Imaging TechnologyCapital Normal UniversityBeijingP. R. China
| | - Mingzhu Li
- Key Laboratory of Green Printing, Institute of ChemistryChinese Academy of SciencesBeijingP. R. China
- Key Laboratory of Materials Processing and Mold of Ministry of EducationZhengzhou UniversityZhengzhouP. R. China
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19
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Wan YZ, Qian W. From Self-Assembly of Colloidal Crystals toward Ordered Porous Layer Interferometry. BIOSENSORS 2023; 13:730. [PMID: 37504128 PMCID: PMC10377590 DOI: 10.3390/bios13070730] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/11/2023] [Accepted: 07/12/2023] [Indexed: 07/29/2023]
Abstract
Interferometry-based, reflectometric, label-free biosensors have made significant progress in the analysis of molecular interactions after years of development. The design of interference substrates is a key research topic for these biosensors, and many studies have focused on porous films prepared by top-down methods such as porous silicon and anodic aluminum oxide. Lately, more research has been conducted on ordered porous layer interferometry (OPLI), which uses ordered porous colloidal crystal films as interference substrates. These films are made using self-assembly techniques, which is the bottom-up approach. They also offer several advantages for biosensing applications, such as budget cost, adjustable porosity, and high structural consistency. This review will briefly explain the fundamental components of self-assembled materials and thoroughly discuss various self-assembly techniques in depth. We will also summarize the latest studies that used the OPLI technique for label-free biosensing applications and divide them into several aspects for further discussion. Then, we will comprehensively evaluate the strengths and weaknesses of self-assembly techniques and discuss possible future research directions. Finally, we will outlook the upcoming challenges and opportunities for label-free biosensing using the OPLI technique.
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Affiliation(s)
- Yi-Zhen Wan
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Weiping Qian
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
- OPLI (Suzhou) Biotechnology Co., Ltd., New District, Suzhou 215163, China
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20
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Roemling LJ, Bleyer G, Goerlitzer ESA, Onishchukov G, Vogel N. Quantitative Optical and Structural Comparison of 3D and (2+1)D Colloidal Photonic Crystals. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:5211-5221. [PMID: 36989210 DOI: 10.1021/acs.langmuir.3c00293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Colloidal crystals are excellent model systems to study self-assembly and structural coloration because their periodicities coincide with the wavelength range of visible light. Different assembly methods inherently introduce characteristic defects and irregularities, even with nearly monodisperse colloidal particles. Here, we investigate how these imperfections influence the structural coloration by comparing two techniques to obtain colloidal crystals. 3D colloidal crystals produced by convective assembly are well-ordered and periodically arranged but show microscopic cracks. (2+1)D colloidal crystals fabricated by stacking individual monolayers show a decreased hexagonal order and limited crystal registration between single monolayers in the z-direction. We investigate the optical properties of both systems by comparing identical numbers of layers using correlative microspectroscopy. These measurements show that the less ordered (2+1)D colloidal crystals exhibit higher reflected light intensities. Macroscopic reflection integrating all angles shows that the reflected light intensity levels out with an increasing number of layers, whereas incoherent scattering increases. Although both types of colloidal crystal show similar angle-dependent color shifts in specular reflection, the less-ordered structure of the (2+1)D colloidal crystal scatters light within a larger angular range under diffusive illumination. Our results suggest that structural coloration is surprisingly robust toward local defects and irregularities.
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Affiliation(s)
- Lukas J Roemling
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Gudrun Bleyer
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Eric S A Goerlitzer
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Georgy Onishchukov
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Nicolas Vogel
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
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21
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Cerra S, Carlini L, Salamone TA, Hajareh Haghighi F, Mercurio M, Pennacchi B, Sappino C, Battocchio C, Nottola S, Matassa R, Fratoddi I. Noble Metal Nanoparticles Networks Stabilized by Rod‐Like Organometallic Bifunctional Thiols. ChemistrySelect 2023. [DOI: 10.1002/slct.202300874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Affiliation(s)
- Sara Cerra
- Department of Chemistry Sapienza University of Rome P.le Aldo Moro 5 00185 Rome Italy
| | - Laura Carlini
- Department of Sciences Roma Tre University Via della Vasca Navale 79 00146 Rome Italy
| | - Tommaso A. Salamone
- Department of Chemistry Sapienza University of Rome P.le Aldo Moro 5 00185 Rome Italy
| | | | - Martina Mercurio
- Department of Chemistry Sapienza University of Rome P.le Aldo Moro 5 00185 Rome Italy
| | - Beatrice Pennacchi
- Department of Chemistry Sapienza University of Rome P.le Aldo Moro 5 00185 Rome Italy
| | - Carla Sappino
- Department of Chemistry Sapienza University of Rome P.le Aldo Moro 5 00185 Rome Italy
| | - Chiara Battocchio
- Department of Sciences Roma Tre University Via della Vasca Navale 79 00146 Rome Italy
| | - Stefania Nottola
- Department of Anatomical Histological Forensic and Orthopaedic Sciences Section of Human Anatomy Sapienza University of Rome Via A. Borelli 50 00161 Rome Italy
| | - Roberto Matassa
- Department of Anatomical Histological Forensic and Orthopaedic Sciences Section of Human Anatomy Sapienza University of Rome Via A. Borelli 50 00161 Rome Italy
| | - Ilaria Fratoddi
- Department of Chemistry Sapienza University of Rome P.le Aldo Moro 5 00185 Rome Italy
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22
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Lochab V, Ewim ED, Prakash S. Continuous flow microfluidics for colloidal particle assembly on porous substrates. SOFT MATTER 2023; 19:2564-2569. [PMID: 36942885 DOI: 10.1039/d2sm01414a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Self-assembly of colloidal particles for 'bottom-up' fabrication of various patterns and structures is critical for a range of applications including, but not limited to, energy generation and storage, nanomaterial structures, biomimetics, and biosensing. Multiple self-assembly techniques, such as substrate templating-via topological or chemical patterning-and solvent evaporation were discussed in our previous papers and have been developed for the deposition of patterned self-assembled structures, such as bands of colloidal particles, on various substrates. While the templating techniques are limited in applications due to the requirements for pattern-specific prior substrate engineering to fabricate the desired structure, solvent evaporation requires longer assembly times and precise control over environmental conditions. In this paper, a template-free, continuous flow process, which is facilitated by continuous solvent drainage through porous substrates, is demonstrated for the self-assembly of colloidal particles into high-aspect ratio (>103, length to width) structures, such as linear arrays or grid structures. Colloidal particles were assembled both on polymeric and metallic porous membranes, with rapid assembly times.
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Affiliation(s)
- Varun Lochab
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, 43210, OH, USA.
| | - E Daniel Ewim
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, 43210, OH, USA.
| | - Shaurya Prakash
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, 43210, OH, USA.
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23
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Quinn D, Cichos F. Thermofluidic assembly of colloidal crystals. FRONTIERS IN NANOTECHNOLOGY 2023. [DOI: 10.3389/fnano.2023.1135408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023] Open
Abstract
Colloidal crystals are interesting as functional structures due to their emergent photonic properties like photonic stop bands and bandgaps that can be used to redirect light. They are commonly formed by a drying process that is assisted by capillary forces at the drying fronts. In this manuscript, we demonstrate the optically induced dynamic thermofluidic assembly of 2D and 3D colloidal crystals. We quantify in experiment and simulation the structure formation and identify thermo-osmosis and temperature induced depletion interactions as the key contributors to the colloidal crystal formation. The non-equilibrium nature of the assembly of colloidal crystals and its dynamic control by laser-induced local heating promise new possibilities for a versatile formation of photonic structures inaccessible by equilibrium processes.
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24
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Schöttle M, Lauster T, Roemling LJ, Vogel N, Retsch M. A Continuous Gradient Colloidal Glass. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2208745. [PMID: 36366915 DOI: 10.1002/adma.202208745] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Colloidal crystals and glasses manipulate light propagation depending on their chemical composition, particle morphology, and mesoscopic structure. This light-matter interaction has been intensely investigated, but a knowledge gap remains for mesostructures comprising a continuous property gradient of the constituting particles. Here, a general synthetic approach to bottom-up fabrication of continuous size gradient colloidal ensembles is introduced. First, the technique synthesizes a dispersion with a specifically designed gradual particle size distribution. Second, self-assembly of this dispersion yields a photonic colloidal glass with a continuous size gradient from top to bottom. Local and bulk characterization methods are used to highlight the significant potential of this mesostructure, resulting in vivid structural colors along, and in superior light scattering across the gradient. The process describes a general pathway to mesoscopic gradients. It can expectedly be transferred to a variety of other particle-based systems where continuous gradients will provide novel physical insights and functionalities.
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Affiliation(s)
- Marius Schöttle
- Department of Chemistry, University of Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany
| | - Tobias Lauster
- Department of Chemistry, University of Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany
| | - Lukas J Roemling
- Insitute of Particle Technology, Friedrich-Alexander University Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Nicolas Vogel
- Insitute of Particle Technology, Friedrich-Alexander University Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Markus Retsch
- Department of Chemistry, University of Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany
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25
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Li M, Lyu Q, Peng B, Chen X, Zhang L, Zhu J. Bioinspired Colloidal Photonic Composites: Fabrications and Emerging Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2110488. [PMID: 35263465 DOI: 10.1002/adma.202110488] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/05/2022] [Indexed: 06/14/2023]
Abstract
Organisms in nature have evolved unique structural colors and stimuli-responsive functions for camouflage, warning, and communication over millions of years, which are essential to their survival in harsh conditions. Inspired by these characteristics, colloidal photonic composites (CPCs) composed of colloidal photonic crystals embedded in the polymeric matrix are artificially prepared and show great promise in applications. This review focuses on the summary of building blocks, i.e., colloidal particles and polymeric matrices, and constructive strategies from the perspective of designing CPCs with robust performance and specific functionality. Furthermore, their state-of-the-art applications are also discussed, including colorful coatings, anti-counterfeiting, and regulation of photoluminescence, especially in the field of visualized sensing. Finally, current challenges and potential for future developments in this field are discussed. The purpose of this review is not only to clarify the design principle for artificial CPCs but also to serve as a roadmap for the exploration of next-generation photonic materials.
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Affiliation(s)
- Miaomiao Li
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Quanqian Lyu
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Bolun Peng
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Xiaodong Chen
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Lianbin Zhang
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Jintao Zhu
- State Key Laboratory of Materials Processing and Die and Mould Technology and Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
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26
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Sahin MA, Werner H, Udani S, Di Carlo D, Destgeer G. Flow lithography for structured microparticles: fundamentals, methods and applications. LAB ON A CHIP 2022; 22:4007-4042. [PMID: 35920614 DOI: 10.1039/d2lc00421f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Structured microparticles, with unique shapes, customizable sizes, multiple materials, and spatially-defined chemistries, are leading the way for emerging 'lab on a particle' technologies. These microparticles with engineered designs find applications in multiplexed diagnostics, drug delivery, single-cell secretion assays, single-molecule detection assays, high throughput cytometry, micro-robotics, self-assembly, and tissue engineering. In this article we review state-of-the-art particle manufacturing technologies based on flow-assisted photolithography performed inside microfluidic channels. Important physicochemical concepts are discussed to provide a basis for understanding the fabrication technologies. These photolithography technologies are compared based on the structural as well as compositional complexity of the fabricated particles. Particles are categorized, from 1D to 3D particles, based on the number of dimensions that can be independently controlled during the fabrication process. After discussing the advantages of the individual techniques, important applications of the fabricated particles are reviewed. Lastly, a future perspective is provided with potential directions to improve the throughput of particle fabrication, realize new particle shapes, measure particles in an automated manner, and adopt the 'lab on a particle' technologies to other areas of research.
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Affiliation(s)
- Mehmet Akif Sahin
- Control and Manipulation of Microscale Living Objects, Central Institute for Translational Cancer Research (TranslaTUM), Department of Electrical and Computer Engineering, Technical University of Munich, Einsteinstraße 25, Munich 81675, Germany.
| | - Helen Werner
- Control and Manipulation of Microscale Living Objects, Central Institute for Translational Cancer Research (TranslaTUM), Department of Electrical and Computer Engineering, Technical University of Munich, Einsteinstraße 25, Munich 81675, Germany.
| | - Shreya Udani
- Department of Bioengineering, University of California, Los Angeles, California 90095, USA.
| | - Dino Di Carlo
- Department of Bioengineering, University of California, Los Angeles, California 90095, USA.
- Department of Mechanical and Aerospace Engineering, California NanoSystems Institute and Jonsson Comprehensive Cancer Center, University of California, Los Angeles, California 90095, USA
| | - Ghulam Destgeer
- Control and Manipulation of Microscale Living Objects, Central Institute for Translational Cancer Research (TranslaTUM), Department of Electrical and Computer Engineering, Technical University of Munich, Einsteinstraße 25, Munich 81675, Germany.
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27
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Li X, Wang Z, Hong C, Feng F, Yu K, Liu H. Geometry-Modulated Self-Assembly Structures of Covalent Polyoxometalate–Polymer Hybrid in Bulk and Thin-Film States. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiangqian Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, Donghua University, Shanghai 201620, China
| | - Ze Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, Donghua University, Shanghai 201620, China
| | - Chengyang Hong
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, Donghua University, Shanghai 201620, China
| | - Fengfeng Feng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, Donghua University, Shanghai 201620, China
| | - Kun Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, Donghua University, Shanghai 201620, China
| | - Hao Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, Donghua University, Shanghai 201620, China
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28
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Welling TAJ, Grau-Carbonell A, Watanabe K, Nagao D, de Graaf J, van Huis MA, van Blaaderen A. Frequency-controlled electrophoretic mobility of a particle within a porous, hollow shell. J Colloid Interface Sci 2022; 627:761-773. [PMID: 35878466 DOI: 10.1016/j.jcis.2022.07.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 07/07/2022] [Accepted: 07/15/2022] [Indexed: 10/17/2022]
Abstract
The unique properties of yolk-shell or rattle-type particles make them promising candidates for applications ranging from switchable photonic crystals, to catalysts, to sensors. To realize many of these applications it is important to gain control over the dynamics of the core particle independently of the shell. HYPOTHESIS The core particle may be manipulated by an AC electric field with rich frequency-dependent behavior. EXPERIMENTS Here, we explore the frequency-dependent dynamic electrophoretic mobility of a charged core particle within a charged, porous shell in AC electric fields both experimentally using liquid-phase electron microscopy and numerically via the finite-element method. These calculations solve the Poisson-Nernst-Planck-Stokes equations, where the core particle moves according to the hydrodynamic and electric forces acting on it. FINDINGS In experiments the core exhibited three frequency-dependent regimes of field-driven motion: (i) parallel to the field, (ii) diffusive in a plane orthogonal to the field, and (iii) unbiased random motion. The transitions between the three observed regimes can be explained by the level of matching between the time required to establish ionic gradients in the shell and the period of the AC field. We further investigated the effect of shell porosity, ionic strength, and inner-shell radius. The former strongly impacted the core's behavior by attenuating the field inside the shell. Our results provide physical understanding on how the behavior of yolk-shell particles may be tuned, thereby enhancing their potential for use as building blocks for switchable photonic crystals.
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Affiliation(s)
- Tom A J Welling
- Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, the Netherlands.
| | - Albert Grau-Carbonell
- Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, the Netherlands
| | - Kanako Watanabe
- Department of Chemical Engineering, Tohoku University, 6-6-07 Aoba, Aramaki-aza, Aoba-ku, Sendai 980-8579, Japan
| | - Daisuke Nagao
- Department of Chemical Engineering, Tohoku University, 6-6-07 Aoba, Aramaki-aza, Aoba-ku, Sendai 980-8579, Japan
| | - Joost de Graaf
- Institute for Theoretical Physics, Center for Extreme Matter and Emergent Phenomena, Utrecht University, Princetonplein 5, 3584 CC Utrecht, the Netherlands
| | - Marijn A van Huis
- Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, the Netherlands
| | - Alfons van Blaaderen
- Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, the Netherlands.
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29
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Marcelo G, Salardón N, Pecharromán C, Mendicuti F, Trabado I, Batanero B. Tuneable fluorescence and structural colour in PNIPAM microgel assemblies. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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30
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Introduction of a planar defect into colloidal photonic-crystal films and their optical properties. ADV POWDER TECHNOL 2022. [DOI: 10.1016/j.apt.2022.103594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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31
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Ryu BK, Fenton SM, Nguyen TTD, Helgeson M, Zia RN. Modeling colloidal interactions that predict equilibrium and non-equilibrium states. J Chem Phys 2022; 156:224101. [DOI: 10.1063/5.0086650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Modulating the interaction potential between colloids suspended in a fluid can trigger equilibrium phase transitions as well as formation of non-equilibrium 'arrested states' such as gels and glasses. Faithful representation of such interactions are essential for using simulation to interrogate the microscopic details of non-equilibrium behavior, and for extrapolating observations to new regions of phase space that are difficult to explore in experiment. Although the extended law of corresponding states predicts equilibrium phases for systems with short-ranged interactions, it proves inadequate for equilibrium predictions of systems with longer-ranged interactions, and for predicting non-equilibrium phenomena in systems with either short-ranged or long-ranged interactions. These shortcomings highlight the need for new approaches to represent and disambiguate interaction potentials that replicate both equilibrium and non-equilibrium phase behavior. In this work, we use experiments and simulations to study a system with long-ranged thermoresponsive colloidal interactions and explore whether a resolution to this challenge can be found in regions of the phase diagram where temporal effects influence material state. We demonstrate that the conditions for non-equilibrium arrest by colloidal gelation are sensitive to both the shape of the interaction potential and the thermal quench rate. We exploit this sensitivity to propose a kinetics-based algorithm to extract distinct arrest conditions for candidate potentials that accurately selects between potentials that differ in shape but share the same predicted equilibrium structure. The method reveals that each potential has a quantitatively distinct arrest line, providing insight into how the shape of longer-ranged potentials influences the conditions for colloidal gelation.
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Affiliation(s)
- Brian K Ryu
- Stanford University, United States of America
| | - Scott M Fenton
- University of California Santa Barbara, United States of America
| | | | - Matthew Helgeson
- University of California Santa Barbara, United States of America
| | - Roseanna N. Zia
- Chemical Engineering, Stanford University, United States of America
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32
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Liu CH, Wei MX, Hsu CH, Lin HP, Wu YC. Iridescent Colloidal Crystals Composed of SiO 2 Porous Hollow Sphere for SERS Application. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:6217-6223. [PMID: 35512026 DOI: 10.1021/acs.langmuir.2c00892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In recent years, the application of low-refractive-index materials in the optical field has attracted considerable attention due to it high transmittance and high optical sensitivity. In this study, we synthesized SiO2 porous hollow spheres (SPHS) with an ultralow refractive index (n = 1.05) by using a templating method. Their refractive indices could be easily controlled from 1.05 to 1.08 by tuning the thickness of shell. In addition, a droplet coatings method is proposed for SPHS colloidal crystal (CC) by controlling the temperature and humidity. The SPHS CCs displayed distinct structural colors when the incident angle was adjusted and demonstrated high angular resolution. Moreover, the iridescent color changes could be observed with the naked eye. For surface-enhanced Raman scattering application, more analyte could be absorbed by the porous shells, and metal nanoparticles were coated on the SPHSs surface to increase the hot spot density for improving the SERS intensity.
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Affiliation(s)
- Chao-Hui Liu
- Department of Chemistry, National Cheng Kung University, Tainan City 701, Taiwan
| | - Ming-Xue Wei
- Department of Resource Engineering, National Cheng Kung University, Tainan City 701, Taiwan
| | - Chun-Han Hsu
- General Education Center, National Tainan Junior College of Nursing, Tainan City 700, Taiwan
| | - Hong-Ping Lin
- Department of Chemistry, National Cheng Kung University, Tainan City 701, Taiwan
| | - Yu-Chun Wu
- Department of Resource Engineering, National Cheng Kung University, Tainan City 701, Taiwan
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33
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Yu T, Wang B, Yu L. Dual‐mode color‐changing
pH
sensor based on fluorescent
MOF
embedded photonic crystal hydrogel. J CHIN CHEM SOC-TAIP 2022. [DOI: 10.1002/jccs.202200064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tong Yu
- Department of Chemistry, School of Science Tianjin University Tianjin China
| | - Bin Wang
- Tianjin Engineering Technology Center of Chemical Wastewater Source Reduction and Recycling, School of Science Tianjin Chengjian University Tianjin China
| | - Li‐Ping Yu
- Department of Chemistry, School of Science Tianjin University Tianjin China
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34
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Kim JB, Kim JW, Kim M, Kim SH. Dual-Colored Janus Microspheres with Photonic and Plasmonic Faces. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201437. [PMID: 35491521 DOI: 10.1002/smll.202201437] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/04/2022] [Indexed: 06/14/2023]
Abstract
Photonic and plasmonic colors, stemming from nanostructures of dielectric materials and metals, are promising for pigment-free coloration. In particular, nanostructures with structural colors have been employed in stimuli-responsive Janus microparticles to provide active color pixels. Here, the authors report a simple strategy to produce electro-responsive Janus microspheres composed of photonic and plasmonic faces for active color change. The photonic microspheres are first prepared by self-assembly of silica particles in emulsion droplets of photocurable resin. The silica particles form 3D crystalline arrays in the interior and 2D hexagonal arrays on the interface. The emulsion droplets are photocured and the silica particles are selectively removed to make porous photonic microspheres with hexagonal arrays of dimples on the surface. Directional deposition of gold or aluminum on the photonic microsphere develops plasmonic color on the top hemisphere while maintaining photonic color on the bottom hemisphere. Moreover, the metal deposited on one side renders the Janus microspheres electro-responsive. Therefore, the photonic and plasmonic colors are switchable by the orientation control of the Janus microspheres with an external electric field. The photonic and plasmonic colors are independently adjustable by employing two different sizes of silica particles in core-shell emulsion drops.
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Affiliation(s)
- Jong Bin Kim
- Department of Chemical and Biomolecular Engineering and KAIST Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea
| | - Ji-Won Kim
- Department of Chemical and Biomolecular Engineering and KAIST Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea
| | - Minjung Kim
- Department of Chemical and Biomolecular Engineering and KAIST Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea
| | - Shin-Hyun Kim
- Department of Chemical and Biomolecular Engineering and KAIST Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea
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35
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Wang J, Liu Y, Bleyer G, Goerlitzer ESA, Englisch S, Przybilla T, Mbah CF, Engel M, Spiecker E, Imaz I, Maspoch D, Vogel N. Coloration in Supraparticles Assembled from Polyhedral Metal-Organic Framework Particles. Angew Chem Int Ed Engl 2022; 61:e202117455. [PMID: 35129874 PMCID: PMC9307011 DOI: 10.1002/anie.202117455] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Indexed: 11/15/2022]
Abstract
Supraparticles are spherical colloidal crystals prepared by confined self‐assembly processes. A particularly appealing property of these microscale structures is the structural color arising from interference of light with their building blocks. Here, we assemble supraparticles with high structural order that exhibit coloration from uniform, polyhedral metal–organic framework (MOF) particles. We analyse the structural coloration as a function of the size of these anisotropic building blocks and their internal structure. We attribute the angle‐dependent coloration of the MOF supraparticles to the presence of ordered, onion‐like layers at the outermost regions. Surprisingly, even though different shapes of the MOF particles have different propensities to form these onion layers, all supraparticle dispersions show well‐visible macroscopic coloration, indicating that local ordering is sufficient to generate interference effects.
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Affiliation(s)
- Junwei Wang
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Yang Liu
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC & The Barcelona Institute of Science and Technology, Bellaterra, 08193, Barcelona, Spain
| | - Gudrun Bleyer
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Eric S A Goerlitzer
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Silvan Englisch
- Institute of Micro- and Nanostructure Research (IMN), Center for Nanoanalysis and Electron Microscopy (CENEM), IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Thomas Przybilla
- Institute of Micro- and Nanostructure Research (IMN), Center for Nanoanalysis and Electron Microscopy (CENEM), IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Chrameh Fru Mbah
- Institute for Multiscale Simulation, IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Michael Engel
- Institute for Multiscale Simulation, IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Erdmann Spiecker
- Institute of Micro- and Nanostructure Research (IMN), Center for Nanoanalysis and Electron Microscopy (CENEM), IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
| | - Inhar Imaz
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC & The Barcelona Institute of Science and Technology, Bellaterra, 08193, Barcelona, Spain
| | - Daniel Maspoch
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC & The Barcelona Institute of Science and Technology, Bellaterra, 08193, Barcelona, Spain.,ICREA, Pg. Lluis Companys 23, 08010, Barcelona, Spain
| | - Nicolas Vogel
- Institute of Particle Technology, Friedrich-Alexander Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
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36
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Isozaki Y, Higashiharaguchi S, Kaenko N, Yamazaki S, Taniguchi T, Takashi K, Ueda Y, Motokawa R. Polymer Photonic Crystals Prepared by Triblock Copolymerization-Induced in situ Microphase Separation. CHEM LETT 2022. [DOI: 10.1246/cl.220089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yuka Isozaki
- Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Seiya Higashiharaguchi
- Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Naoya Kaenko
- Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Shun Yamazaki
- Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Tatsuo Taniguchi
- Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Karatsu Takashi
- Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Yuki Ueda
- Materials Sciences Research Center, Japan Atomic Energy Agency, 2-4 Shirakata, Tokai-mura, Ibaraki 319-1195, Japan
| | - Ryuhei Motokawa
- Materials Sciences Research Center, Japan Atomic Energy Agency, 2-4 Shirakata, Tokai-mura, Ibaraki 319-1195, Japan
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37
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Ashaju A, Wood JA, Lammertink RGH. Electrocatalytic Reaction Induced Colloidal Accumulation: The Role of Dielectrophoresis. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:3040-3050. [PMID: 35230108 PMCID: PMC8928468 DOI: 10.1021/acs.langmuir.1c01938] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 02/15/2022] [Indexed: 06/14/2023]
Abstract
A surface-driven flow is generated during the electrocatalytic reaction of a platinum-gold bielectrode within hydrogen peroxide. This flow can be experimentally visualized and quantified using micrometer-sized particles that are transported by a flow field. Tracer particles, which possess an inherent surface charge, also interact with the induced electric field and exhibit a collective behavior at the surface of the electrodes where they accumulate. The underlying mechanism for the accumulation dynamics demonstrated by these catalytic pump systems has so far been lacking. In this work, the accumulation dynamics and kinetics were experimentally investigated. With use of numerical simulations, we demonstrate that the self-driven particle accumulation is controlled by a positive dielectrophoretic force, mediated by the reaction-induced electric and flow field. These results contribute to the fundamental knowledge on immobilized bimetallic systems.
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38
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Wang J, Liu Y, Bleyer G, Goerlitzer ESA, Englisch S, Przybilla T, Mbah CF, Engel M, Spiecker E, Imaz I, Maspoch D, Vogel N. Coloration in Supraparticles Assembled from Polyhedral Metal‐Organic Framework Particles. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Junwei Wang
- Institute of Particle Technology Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
| | - Yang Liu
- Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC & The Barcelona Institute of Science and Technology Bellaterra 08193 Barcelona Spain
| | - Gudrun Bleyer
- Institute of Particle Technology Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
| | - Eric S. A. Goerlitzer
- Institute of Particle Technology Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
| | - Silvan Englisch
- Institute of Micro- and Nanostructure Research (IMN) Center for Nanoanalysis and Electron Microscopy (CENEM) IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
| | - Thomas Przybilla
- Institute of Micro- and Nanostructure Research (IMN) Center for Nanoanalysis and Electron Microscopy (CENEM) IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
| | - Chrameh Fru Mbah
- Institute for Multiscale Simulation IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
| | - Michael Engel
- Institute for Multiscale Simulation IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
| | - Erdmann Spiecker
- Institute of Micro- and Nanostructure Research (IMN) Center for Nanoanalysis and Electron Microscopy (CENEM) IZNF, Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
| | - Inhar Imaz
- Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC & The Barcelona Institute of Science and Technology Bellaterra 08193 Barcelona Spain
| | - Daniel Maspoch
- Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC & The Barcelona Institute of Science and Technology Bellaterra 08193 Barcelona Spain
- ICREA Pg. Lluis Companys 23 08010 Barcelona Spain
| | - Nicolas Vogel
- Institute of Particle Technology Friedrich-Alexander Universität Erlangen-Nürnberg 91058 Erlangen Germany
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39
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Szukalski A, Krawczyk P, Sahraoui B, Jędrzejewska B. Multifunctional Oxazolone Derivative as an Optical Amplifier, Generator, and Modulator. J Phys Chem B 2022; 126:1742-1757. [PMID: 35179389 PMCID: PMC8900139 DOI: 10.1021/acs.jpcb.1c08056] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
![]()
An optical control
of many working optoelectronic systems (real-time
sensors, optical modulators, light amplifiers, or phase retarders)
giving efficient optical gain or remote signal modulation is currently
included as scientifically and industrially interesting. In here,
an oxazolone derivative as the multifunctional organic system is given
in this contribution. The molecule possesses a stilbene group and
an oxazolone heteroatomic ring, which implies effective refractive
index manipulation and multimode lasing action, respectively. The
light modulation is repeatable and stable, also in the hundreds of
Hz regime. On the other hand, the amplified optical signal can be
easily generated by an external optical pumping source. Thus, signal
control is fully available, as is read-in and read-out of the information
in real time. Furthermore, this third-order, nonlinear, optical phenomenon
using a third harmonic generation technique was also observed. We
discovered that only by changing the energy and time regime of the
supplied optical signal is the optical or nonlinear optical response
observed. Two heteroenergetic molecular states (trans (E) and cis (Z)) can efficiently operate in modern multifunctional optoelectronic
systems, which can provide and generate an optical signal. Such functionalities
are commonly used in all-optical photonic switchers and logic gates
and can be utilized in optical-core networks and computers.
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Affiliation(s)
- Adam Szukalski
- Wroclaw University of Science and Technology, Faculty of Chemistry, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
| | - Przemysław Krawczyk
- Nicolaus Copernicus University, Collegium Medicum, Faculty of Pharmacy, Kurpińskiego 5, 85-950 Bydgoszcz, Poland
| | - Bouchta Sahraoui
- Laboratoire MOLTECH-Anjou, Université d'Angers, UFR Sciences, UMR 6200, CNRS, 2 Bd. Lavoisier, 49045, Angers Cedex, France
| | - Beata Jędrzejewska
- Bydgoszcz University of Science and Technology, Faculty of Chemical Technology and Engineering, Seminaryjna 3, 85-326 Bydgoszcz, Poland
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40
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Priya, Saini SK, Nair RV. Polymer-based self-assembled photonic crystals to tune light transport and emission. Chem Commun (Camb) 2022; 58:1481-1494. [PMID: 35018400 DOI: 10.1039/d1cc05787a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The advent of photonic crystals has made possible the idea of controlling flows of light, which has revolutionized photonics-based technology. Photonic crystals are constructed based on periodic refractive index variations in one-, two-, or three-spatial dimensions on the optical-wavelength scale. Photonic crystals show inherent photonic stop gaps or band gaps depending upon the crystal symmetry and refractive index contrast. Showing ease of fabrication, polymer-based self-assembled photonic crystals with stop gaps have been widely explored. We discuss angle- and polarization-dependent stop gap creation and splitting at higher angles of incidence. The observed stop gaps in self-assembled photonic crystals often deviate from theoretical predictions due to experimental constraints, such as finite size and fabrication disorders associated with samples. We perform micro-reflectivity experiments on a single domain, showing minimal disorder, with nearly 100% reflectivity, which is in agreement with theory. We obtain more than 75% emission intensity suppression and a 30% increase in the emission lifetime at the stop gap using micro-emission experiments in a single domain. This enables us to study the role of finite-size effects in photonic crystals in modifying the emission properties. We observe the linear scaling of the emission intensity suppression and the emission rate with the finite size of the crystal. Our single-domain experimental studies reveal that the use of low index-contrast self-assembled photonic crystals is a potential platform for strategically modifying light transport and emission properties.
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Affiliation(s)
- Priya
- Laboratory for Nano-Scale Optics and Meta-Materials (LaNOM), Department of Physics, Indian Institute of Technology Ropar, Punjab 140001, India.
| | - Sudhir Kumar Saini
- Laboratory for Nano-Scale Optics and Meta-Materials (LaNOM), Department of Physics, Indian Institute of Technology Ropar, Punjab 140001, India.
| | - Rajesh V Nair
- Laboratory for Nano-Scale Optics and Meta-Materials (LaNOM), Department of Physics, Indian Institute of Technology Ropar, Punjab 140001, India.
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41
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Kim KH, Nam J, Choi J, Seo M, Bang J. From macromonomers to bottlebrush copolymers with sequence control: synthesis, properties, and applications. Polym Chem 2022. [DOI: 10.1039/d2py00126h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bottlebrush polymers (BBPs) are a type of comb-like macromolecules with densely grafted polymeric sidechains attached to the polymer backbones, and many intriguing properties and applications have been demonstrated due to...
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42
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Zhong K, Yu W, de Coene Y, Yamada A, Krylychkina O, Jooken S, Deschaume O, Bartic C, Clays K. Dual photonic bandgap hollow sphere colloidal photonic crystals for real-time fluorescence enhancement in living cells. Biosens Bioelectron 2021; 194:113577. [PMID: 34481238 DOI: 10.1016/j.bios.2021.113577] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/30/2021] [Accepted: 08/19/2021] [Indexed: 10/20/2022]
Abstract
To overcome the problems of refractive index matching and increased disorder when working with traditional heterostructure colloidal photonic crystals (CPCs) with dual or multiple photonic bandgaps (PBGs) for fluorescence enhancement in water, we propose the use of a chemical heterostructure in hollow sphere CPCs (HSCPCs). A partial chemical modification of the HSCPC creates a large contrast in wettability to induce the heterostructure, while the hollow spheres increase the refractive index difference when used in aqueous environment. With the platform, fluorescence enhancement reaches around 160 times in solution, and 72 times (signal-to-background ratio ~7 times) in cells during proof-of-concept live cardiomyocyte contractility experiments. Such photonic platform can be further exploited for chemical sensing, bioassays, and environmental monitoring. Moreover, the introduction of chemical heterostructures provides new design principles for functionalized photonic devices.
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Affiliation(s)
- Kuo Zhong
- Laboratory for Molecular Electronics and Photonics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium.
| | - Wei Yu
- Laboratory of Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - Yovan de Coene
- Laboratory for Molecular Electronics and Photonics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - Atsushi Yamada
- Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | | | - Stijn Jooken
- Laboratory of Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - Olivier Deschaume
- Laboratory of Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - Carmen Bartic
- Laboratory of Soft Matter and Biophysics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - Koen Clays
- Laboratory for Molecular Electronics and Photonics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium.
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43
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Iwata N, Koike T, Tokuhiro K, Sato R, Furumi S. Colloidal Photonic Crystals of Reusable Hydrogel Microparticles for Sensor and Laser Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:57893-57907. [PMID: 34821501 PMCID: PMC8662631 DOI: 10.1021/acsami.1c16500] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 11/12/2021] [Indexed: 06/13/2023]
Abstract
Although a wide variety of techniques have been developed to date for the fabrication of high-quality colloidal photonic crystals (CPCs) using monodisperse silica and polystyrene microparticles, poly(N-isopropylacrylamide) (PNIPA) hydrogel microparticles have rarely been utilized for the preparation of active CPCs despite the intriguing feature of temperature-responsive volume changes. This report describes the promising potential abilities of PNIPA hydrogel microparticles for sensor and laser applications. Monodisperse PNIPA hydrogel microparticles were synthesized by emulsion polymerization, and the microparticle diameter was finely controlled by adjusting the surfactant concentration. Such hydrogel microparticles spontaneously formed uniform CPCs with visible Bragg reflection even in fluid suspensions. The addition of small amounts of ionic substances into the centrifuged and deionized CPC suspensions enabled the on-demand color switching between Bragg reflection and white turbidity with temperature, leading to temperature- and ion-sensing applications. Moreover, our expanding experiments successfully demonstrated the optically excited laser action with a single and narrow peak from CPC suspensions with light-emitting dyes by the photonic band gap effect. After the light-emitting dyes were simply removed from the CPC suspensions by centrifugation, the purified PNIPA hydrogel microparticles were permanently reusable as the CPC laser microcavities to generate the laser action at other wavelengths using different dyes. This study contributes the circular economy concept using reusable hydrogel microparticles for the realization of a sustainable society.
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Affiliation(s)
- Naoto Iwata
- Department of Applied Chemistry, Faculty
of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Takeru Koike
- Department of Applied Chemistry, Faculty
of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Kaya Tokuhiro
- Department of Applied Chemistry, Faculty
of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Ryu Sato
- Department of Applied Chemistry, Faculty
of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Seiichi Furumi
- Department of Applied Chemistry, Faculty
of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
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44
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Zhang TD, Deng X, Wang MY, Chen LL, Wang XT, Li CY, Shi WP, Lin WJ, Li Q, Pan W, Ni X, Pan T, Yin DC. Formation of β-Lactoglobulin Self-Assemblies via Liquid-Liquid Phase Separation for Applications beyond the Biological Functions. ACS APPLIED MATERIALS & INTERFACES 2021; 13:46391-46405. [PMID: 34570465 DOI: 10.1021/acsami.1c14634] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Proteins are like miracle machines, playing important roles in living organisms. They perform vital biofunctions by further combining together and/or with other biomacromolecules to form assemblies or condensates such as membraneless organelles. Therefore, studying the self-assembly of biomacromolecules is of fundamental importance. In addition to their biological activities, protein assemblies also exhibit extra properties that enable them to achieve applications beyond their original functions. Herein, this study showed that in the presence of monosaccharides, ethylene glycols, and amino acids, β-lactoglobulin (β-LG) can form assemblies with specific structures, which were highly reproducible. The mechanism of the assembly process was studied through multi-scale observations and theoretical analysis, and it was found that the assembling all started from the formation of solute-rich liquid droplets via liquid-liquid phase separation (LLPS). These droplets then combined together to form condensates with elaborate structures, and the condensates finally evolved to form assemblies with various morphologies. Such a mechanism of the assembly is valuable for studying the assembly processes that frequently occur in living organisms. Detailed studies concerning the properties and applications of the obtained β-LG assemblies showed that the assemblies exhibited significantly better performances than the protein itself in terms of autofluorescence, antioxidant activity, and metal ion absorption, which indicates broad applications of these assemblies in bioimaging, biodetection, biodiagnosis, health maintenance, and pollution treatment. This study revealed that biomacromolecules, especially proteins, can be assembled via LLPS, and some unexpected application potentials could be found beyond their original biological functions.
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Affiliation(s)
- Tuo-Di Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Xudong Deng
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Meng-Ying Wang
- Laboratory for Structural Biology of Infection and Inflammation, Institute of Biochemistry and Molecular Biology, c/o DESY, Building 22a, Notkestr. 85, Hamburg 22607, Germany
| | - Liang-Liang Chen
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Xue-Ting Wang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Chen-Yuan Li
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Wen-Pu Shi
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Wen-Juan Lin
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Qiang Li
- School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Weichun Pan
- Food Safety Key Lab of Zhejiang Province, The School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, People's Republic of China
| | - Xiaodan Ni
- Laboratory of Membrane Proteins and Structural Biology, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Tiezheng Pan
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
| | - Da-Chuan Yin
- School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, People's Republic of China
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45
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Ashurov M, Abdusatorov B, Baranchikov A, Klimonsky S. Surface-enhanced Raman scattering in ETPTA inverse photonic crystals with gold nanoparticles. Phys Chem Chem Phys 2021; 23:20275-20281. [PMID: 34486005 DOI: 10.1039/d1cp02958d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We present a substrate design for surface-enhanced Raman scattering by decorating three-dimensional inverse photonic crystals with a small amount of Au nanoparticles. Photonic crystals with different positions of the photonic stop band were fabricated by inverting opal-type templates using photopolymerization of a trimethylolpropane ethoxylate triacrylate (ETPTA) photocurable resin. Then Au nanoparticles were embedded into inverse ETPTA films by multiple infiltration. Using the methylene blue dye as a test compound, we found that the enhancement factor of the Raman signal is strongly dependent on the spectral position of the photonic stop band, reaching a value of about 1-2 × 105 when it coincides with the laser wavelength. The detection limit for methylene blue in solution is of the order of 10-7 M.
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Affiliation(s)
- Matin Ashurov
- Faculty of Materials Science, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Bakhodur Abdusatorov
- HSM Laboratory, Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Moscow, 121205, Russia
| | - Alexander Baranchikov
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Moscow, 119991, Russia
| | - Sergey Klimonsky
- Faculty of Materials Science, Lomonosov Moscow State University, Moscow, 119991, Russia.,Department of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia.
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46
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Moriceau G, Kilchoer C, Djeghdi K, Weder C, Steiner U, Wilts BD, Gunkel I. Photonic Particles Made by the Confined Self-Assembly of a Supramolecular Comb-Like Block Copolymer. Macromol Rapid Commun 2021; 42:e2100522. [PMID: 34523759 DOI: 10.1002/marc.202100522] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 09/10/2021] [Indexed: 12/25/2022]
Abstract
Approaches that enable the preparation of robust polymeric photonic particles are of interest for the development of nonfading and highly reflective pigments for applications such as paints and display technologies. Here, the preparation of photonic particles that display structural color in both, aqueous suspension and the dry solid state is reported. This is achieved by exploiting the confined self-assembly of a supramolecular comb-like block copolymer (BCP) that microphase separates into a well-ordered lamellar morphology with dimensions that promote a photonic bandgap in the visible range. The comb-like BCP is formed by robust ionic interactions between poly(styrene-b-4-vinyl-pyridine) (PS-b-P4VP) BCP and dodecylbenzene sulfonic acid (DBSA), which selectively interacts with P4VP blocks. The components are combined in chloroform, and an aqueous emulsion is prepared. Evaporation of the organic solvent leads to the formation of solid microparticles with an onion-like 3D morphology. These photonic pigments display brilliant colors with reflectance spectra featuring pronounced optical bandgaps across the entire visible wavelength range with a peak reflectivity of 80-90%.
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Affiliation(s)
- Guillaume Moriceau
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
| | - Cédric Kilchoer
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
| | - Kenza Djeghdi
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
| | - Christoph Weder
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
| | - Ullrich Steiner
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
| | - Bodo D Wilts
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
| | - Ilja Gunkel
- Adolphe Merkle Institute, University of Fribourg, Fribourg, 1700, Switzerland
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47
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Berneman N, Jimidar I, Van Geite W, Gardeniers H, Desmet G. Rapid vacuum-driven monolayer assembly of microparticles on the surface of perforated microfluidic devices. POWDER TECHNOL 2021. [DOI: 10.1016/j.powtec.2021.05.079] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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48
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Surface modification, adsorption behavior, and optical properties of α-Fe2O3@SiO2/Au core-shell ellipsoids. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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49
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Areias LRP, Mariz I, Maçôas E, Farinha JPS. Reflectance Confocal Microscopy: A Powerful Tool for Large Scale Characterization of Ordered/Disordered Morphology in Colloidal Photonic Structures. ACS NANO 2021; 15:11779-11788. [PMID: 34240840 DOI: 10.1021/acsnano.1c02813] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The development of appropriate methods to correlate the structure and optical properties of colloidal photonic structures is still a challenge. Structural information is mostly obtained by electron, X-ray, or optical microscopy methods and X-ray diffraction, while bulk spectroscopic methods and low resolution bright-field microscopy are used for optical characterization. Here, we describe the use of reflectance confocal microscopy as a simple and intuitive technique to provide a direct correlation between the ordered/disordered structural morphology of colloidal crystals and glasses, and their corresponding optical properties.
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Affiliation(s)
- Laurinda R P Areias
- Centro de Química Estrutural and Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal
| | - Inês Mariz
- Centro de Química Estrutural and Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal
| | - Ermelinda Maçôas
- Centro de Química Estrutural and Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal
| | - José Paulo S Farinha
- Centro de Química Estrutural and Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisboa, Portugal
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50
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Fabrication of solid and hollow colloidosomes through self-assembly of micronsized polymer particles and their controlled transition. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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