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Lee Y, Jo MG, Kim J, Kim JH, Kim JJ, Char K, Yoon H. Versatile Mesoporous Microblocks Prepared by Pattern-Induced Cracking of Colloidal Films. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2300952. [PMID: 37140378 DOI: 10.1002/adma.202300952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/18/2023] [Indexed: 05/05/2023]
Abstract
Mesoporous microparticles have the potential to be used in various fields, such as energy generation, sensing, and the environmental field. Recently, the process of making homogeneous microparticles in an economical and environmentally friendly way has gained much attention. Herein, rectangular mesoporous microblocks of various designs are produced by manipulating the fragmentation of colloidal films consisting of micropyramids while controlling the notch angles of pyramidal edges. During calcination of the colloidal films, cracks are generated in the valleys of micropyramids acting as notches, and the angle of notches can be controlled by the prepattern underneath the micropyramids. By changing the location of notches with sharp angles, the shape of microblocks can be controlled with excellent uniformity. After detaching the microblocks from substrates, mesoporous microparticles of various sizes with multiple functions are easily produced. This study demonstrates anti-counterfeiting functions by encoding the rotation angles of rectangular microblocks of various sizes. In addition, the mesoporous microparticles can be utilized for separating desired chemicals mixed with chemicals of different charges. The method of fabricating size-tunable functionalized mesoporous microblocks can be a platform technology to prepare special films and catalysts and for environmental applications.
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Affiliation(s)
- Yunchan Lee
- Institute of Energy and Environment System, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
- The National Creative Research Initiative Center for Intelligent Hybrids, The World Class University Program for Chemical Convergence for Energy and Environment, School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Min-Gi Jo
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
| | - Jaekyoung Kim
- Department of Energy and Chemical Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
| | - Ji Hoon Kim
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jae Jung Kim
- Department of Chemical Engineering, Hongik University, Seoul, 04066, Republic of Korea
| | - Kookheon Char
- The National Creative Research Initiative Center for Intelligent Hybrids, The World Class University Program for Chemical Convergence for Energy and Environment, School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hyunsik Yoon
- Institute of Energy and Environment System, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
- Department of Energy and Chemical Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
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Lee Y, Kim J, Lee S, Wooh S, Yoon H, Char K. Cracking of Colloidal Films to Generate Rectangular Fragments. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:4935-4941. [PMID: 35404063 DOI: 10.1021/acs.langmuir.2c00328] [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
Cracks are common in nature. Cracking is known as an irreversible and uncontrollable process. To control the cracking patterns, many researchers have proposed methods to prepare notches for stress localization on films. In this work, we investigate a method of controlling cracks by making microscale pyramid patterns that have notches between the pyramids. After preparing pyramid patterns consisting of colloidal particles with organic residue, we annealed them to induce volume shrinkage and cracking between the pyramids. We studied the effect of film thickness on cracking and the generation of rectangular fragments consisting of multiple pyramids. The area of rectangular fragments was in good agreement with the results of scaling analysis. The concept of controlling cracks by imprinting notches on a film and the relationship with the film thickness can guide the study of cracking phenomena.
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Affiliation(s)
- Yunchan Lee
- The National Creative Research Initiative Center for Intelligent Hybrids, The World Class University Program for Chemical Convergence for Energy and Environment, School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaekyoung Kim
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Soojin Lee
- The National Creative Research Initiative Center for Intelligent Hybrids, The World Class University Program for Chemical Convergence for Energy and Environment, School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Sanghyuk Wooh
- School of Chemical Engineering & Materials Science, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Hyunsik Yoon
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Kookheon Char
- The National Creative Research Initiative Center for Intelligent Hybrids, The World Class University Program for Chemical Convergence for Energy and Environment, School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
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Yamamura M. Adsorption‐mediated nonlinearity of critical cracking thickness in drying nanoparticle–polymer suspensions. AIChE J 2021. [DOI: 10.1002/aic.17229] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Masato Yamamura
- Department of Applied Chemistry Kyushu Institute of Technology Kitakyushu Japan
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Wang Y, Wei C, Cong H, Yang Q, Wu Y, Su B, Zhao Y, Wang J, Jiang L. Hybrid Top-Down/Bottom-Up Strategy Using Superwettability for the Fabrication of Patterned Colloidal Assembly. ACS APPLIED MATERIALS & INTERFACES 2016; 8:4985-4993. [PMID: 26824430 DOI: 10.1021/acsami.5b11945] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Superwettability of substrates has had a profound influence on the production of novel and advanced colloidal assemblies in recent decades owing to its effect on the spreading area, evaporation rate, and the resultant assembly structure. In this paper, we investigated in detail the influence of the superwettability of a transfer/template substrate on the colloidal assembly from a hybrid top-down/bottom-up strategy. By taking advantage of a superhydrophilic flat transfer substrate and a superhydrophobic groove-structured silicon template, the patterned colloidal microsphere assembly was formed including linear and mesh-, cyclic-, and multistopband assembly arrays of microspheres, and the optic-waveguide of a circular colloidal structure was demonstrated. We believed this liquid top-down/bottom-up strategy would open an efficient avenue for assembling/integrating microspheres building blocks into device applications in a low-cost manner.
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Affiliation(s)
- Yuezhong Wang
- Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, Qingdao University , Qingdao 266071, China
- The Laboratory of Bio-Inspired Smart Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Science , Beijing 100190, China
| | - Cong Wei
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Photochemistry, Key Laboratory of Organic Solids, Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Hailin Cong
- Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, Qingdao University , Qingdao 266071, China
| | - Qiang Yang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Photochemistry, Key Laboratory of Organic Solids, Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Yuchen Wu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Photochemistry, Key Laboratory of Organic Solids, Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Bin Su
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Photochemistry, Key Laboratory of Organic Solids, Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Yongsheng Zhao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Photochemistry, Key Laboratory of Organic Solids, Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, China
| | - Jingxia Wang
- The Laboratory of Bio-Inspired Smart Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Science , Beijing 100190, China
| | - Lei Jiang
- The Laboratory of Bio-Inspired Smart Interface Sciences, Technical Institute of Physics and Chemistry, Chinese Academy of Science , Beijing 100190, China
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Sabouri H, Huang Y, Ohno K, Perrier S. Silica core-polystyrene shell nanoparticle synthesis and assembly in three dimensions. NANOSCALE 2015; 7:19036-19046. [PMID: 26514087 DOI: 10.1039/c5nr06400g] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Monodisperse silica nanoparticles (SiNPs) grafted with well-defined and highly dense polystyrene brushes are used as building blocks for the formation of three-dimensional (3D) colloidal crystals. By adjusting the refractive indices and the density of the hybrid particles with those of mixed solvents, iridescent microcrystals were formed throughout the entire suspension which were characterised by confocal laser microscopy. These core-shell hybrid particles are not charged and the driving force of the crystallization relies on repulsive forces between the polymer brushes with high grafting density. The interparticle distance is correlated to Bragg's Law and can be controlled by manipulating the grafting density and the length of the polymer brushes. Finally, the uniformity of these unique core-shell particles was exploited to generate 3D assemblies by a rapid and simple process based on centrifugation.
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Affiliation(s)
- Hadi Sabouri
- Key Centre for Polymers & Colloids, School of Chemistry, The University of Sydney, NSW, Australia
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Vogel N, Retsch M, Fustin CA, del Campo A, Jonas U. Advances in Colloidal Assembly: The Design of Structure and Hierarchy in Two and Three Dimensions. Chem Rev 2015; 115:6265-311. [DOI: 10.1021/cr400081d] [Citation(s) in RCA: 531] [Impact Index Per Article: 59.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Nicolas Vogel
- Institute
of Particle Technology, Friedrich-Alexander-University Erlangen-Nuremberg, Cauerstrasse
4, 91058 Erlangen, Germany
- Cluster
of Excellence - Engineering of Advanced Materials, University of Erlangen-Nuremberg, 91054 Erlangen, Germany
| | - Markus Retsch
- Physical
Chemistry 1 - Polymer Systems, University of Bayreuth, Universitätsstraße
30, 95447 Bayreuth, Germany
| | - Charles-André Fustin
- Institute
of Condensed Matter and Nanosciences (IMCN), Bio- and Soft Matter
Division (BSMA), Université catholique de Louvain, Place Louis
Pasteur 1, B-1348 Louvain-la-Neuve, Belgium
| | - Aranzazu del Campo
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Ulrich Jonas
- Macromolecular
Chemistry, Cμ - The Research Center for Micro- and Nanochemistry
and Engineering, University of Siegen, Adolf-Reichwein-Strasse 2, 57076 Siegen, Germany
- Bio-Organic Materials Chemistry Laboratory (BOMCLab), Institute of Electronic Structure & Laser (IESL), Foundation for Research and Technology - Hellas (FORTH), Nikolaou Plastira 100, Vassilika Vouton, P.O. Box 1527, 71110 Heraklion, Crete, Greece
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Sabouri H, Ohno K, Perrier S. Well-defined colloidal crystal films from the 2D self-assembly of core–shell semi-soft nanoparticles. Polym Chem 2015. [DOI: 10.1039/c5py00912j] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Silica core–polymer shell particles are obtained from surface mediated RAFT polymerisation and assembled into ordered 2D colloidal crystals.
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Affiliation(s)
- Hadi Sabouri
- Key Centre for Polymers & Colloids
- School of Chemistry
- The University of Sydney
- Australia
| | - Kohji Ohno
- Institute for Chemical Research
- Kyoto University
- Kyoto 611-0011
- Japan
| | - Sébastien Perrier
- Department of Chemistry
- The University of Warwick
- Coventry
- UK
- Faculty of Pharmacy and Pharmaceutical Sciences
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Qian C, Sun W, Wang L, Chen C, Liao K, Wang W, Jia J, Hatton BD, Casillas G, Kurylowicz M, Yip CM, Mastronardi ML, Ozin GA. Non-wettable, Oxidation-Stable, Brightly Luminescent, Perfluorodecyl-Capped Silicon Nanocrystal Film. J Am Chem Soc 2014; 136:15849-52. [DOI: 10.1021/ja5081037] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Chenxi Qian
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Wei Sun
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Liwei Wang
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
- Tianjin
Key Lab of Metal and Molecule-based Material Chemistry, Department
of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Changlong Chen
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
- School
of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong 250022, P. R. China
| | - Kristine Liao
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Wendong Wang
- Wyss
Institute for Biologically Inspired Engineering, and School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Jia Jia
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
- Department of Materials Science & Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada
| | - Benjamin D. Hatton
- Department of Materials Science & Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada
| | - Gilberto Casillas
- Electron
Microscopy Centre, University of Wollongong, New South Wales 2500, Australia
| | - Marty Kurylowicz
- Department
of Biochemistry, and Terrence
Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Christopher M. Yip
- Department
of Biochemistry, and Terrence
Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | | | - Geoffrey A. Ozin
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
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9
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Cong H, Yu B, Tang J, Li Z, Liu X. Current status and future developments in preparation and application of colloidal crystals. Chem Soc Rev 2013; 42:7774-800. [DOI: 10.1039/c3cs60078e] [Citation(s) in RCA: 157] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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10
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Sun C, Yao Y, Gu Z. Fabrication of elastic colloidal crystal films from pure soft spheres. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.03.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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