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Angelopoulou PP, Moutsios I, Manesi GM, Ivanov DA, Sakellariou G, Avgeropoulos A. Designing high χ copolymer materials for nanotechnology applications: A systematic bulk vs. thin films approach. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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2
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Kulkarni AA, Doerk GS. Thin film block copolymer self-assembly for nanophotonics. NANOTECHNOLOGY 2022; 33:292001. [PMID: 35358955 DOI: 10.1088/1361-6528/ac6315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 03/31/2022] [Indexed: 06/14/2023]
Abstract
The nanophotonic engineering of light-matter interactions has profoundly changed research behind the design and fabrication of optical materials and devices. Metasurfaces-arrays of subwavelength nanostructures that interact resonantly with electromagnetic radiation-have emerged as an integral nanophotonic platform for a new generation of ultrathin lenses, displays, polarizers and other devices. Their success hinges on advances in lithography and nanofabrication in recent decades. While existing nanolithography techniques are suitable for basic research and prototyping, issues of cost, throughput, scalability, and substrate compatibility may preclude their use for many metasurface applications. Patterning via spontaneous self-assembly of block copolymer thin films offers an enticing alternative for nanophotonic manufacturing that is rapid, inexpensive, and applicable to large areas and diverse substrates. This review discusses the advantages and disadvantages of block copolymer-based nanopatterning and highlights recent progress in their use for broadband antireflection, surface enhanced Raman spectroscopy, and other nanophotonic applications. Recent advances in diversification of self-assembled block copolymer nanopatterns and improved processes for enhanced scalability of self-assembled nanopatterning using block copolymers are also discussed, with a spotlight on directions for future research that would enable a wider array of nanophotonic applications.
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Affiliation(s)
- Ashish A Kulkarni
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, United States of America
| | - Gregory S Doerk
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, United States of America
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3
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Robertson M, Zhou Q, Ye C, Qiang Z. Developing Anisotropy in Self-Assembled Block Copolymers: Methods, Properties, and Applications. Macromol Rapid Commun 2021; 42:e2100300. [PMID: 34272778 DOI: 10.1002/marc.202100300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/23/2021] [Indexed: 01/03/2023]
Abstract
Block copolymers (BCPs) self-assembly has continually attracted interest as a means to provide bottom-up control over nanostructures. While various methods have been demonstrated for efficiently ordering BCP nanodomains, most of them do not generically afford control of nanostructural orientation. For many applications of BCPs, such as energy storage, microelectronics, and separation membranes, alignment of nanodomains is a key requirement for enabling their practical use or enhancing materials performance. This review focuses on summarizing research progress on the development of anisotropy in BCP systems, covering a variety of topics from established aligning techniques, resultant material properties, and the associated applications. Specifically, the significance of aligning nanostructures and the anisotropic properties of BCPs is discussed and highlighted by demonstrating a few promising applications. Finally, the challenges and outlook are presented to further implement aligned BCPs into practical nanotechnological applications, where exciting opportunities exist.
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Affiliation(s)
- Mark Robertson
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS, 39406, USA
| | - Qingya Zhou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Changhuai Ye
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Zhe Qiang
- School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS, 39406, USA
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4
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Bucher T, Clodt JI, Abetz C, Bajer B, Filiz V. Spraying of Ultrathin Isoporous Block Copolymer Membranes-A Story about Challenges and Limitations. MEMBRANES 2020; 10:E404. [PMID: 33297532 PMCID: PMC7762335 DOI: 10.3390/membranes10120404] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 12/03/2020] [Indexed: 12/11/2022]
Abstract
Isoporous membranes can be prepared by a combination of self-assembly of amphiphilic block copolymers and the non-solvent induced phase separation process. As the general doctor-blade technique suffers from high consumption of expensive block copolymer, other methods to reduce its concentration in the casting solution are sought after. Decreasing the block copolymer concentration during membrane casting and applying the block copolymer solution on a support membrane to obtain ultrathin isoporous membrane layers with e.g., spraying techniques, can be an answer. In this work we focused on the question if upscaling of thin block copolymer membranes produced by spraying techniques is feasible. To upscale the spray coating process, three different approaches were pursued, namely air-brush, 1-fluid nozzles and 2-fluid nozzles as generally used in the coating industry. The different spraying systems were implemented successfully in a membrane casting machine. Thinking about future development of isoporous block copolymer membranes in application it was significant that a continuous preparation process can be realised combining spraying of thin layers and immersion of the thin block copolymer layers in water to ensure phase-separation. The system was tested using a solution of polystyrene-block-poly(4-vinylpyridine) diblock copolymer. A detailed examination of the spray pattern and its homogeneity was carried out. The limitations of this method are discussed.
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Affiliation(s)
| | - Juliana Isabel Clodt
- Helmholtz-Zentrum Geesthacht, Institute of Polymer Research, Max-Planck-Str. 1, 21502 Geesthacht, Germany; (T.B.); (C.A.); (B.B.); (V.F.)
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5
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Kovacevich DA, Lei L, Han D, Kuznetsova C, Kooi SE, Lee H, Singer JP. Self-Limiting Electrospray Deposition for the Surface Modification of Additively Manufactured Parts. ACS APPLIED MATERIALS & INTERFACES 2020; 12:20901-20911. [PMID: 32293169 DOI: 10.1021/acsami.9b23544] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Electrospray deposition (ESD) is a spray coating process that utilizes a high voltage to atomize a flowing solution into charged microdroplets. These self-repulsive droplets evaporate as they travel to a target substrate, depositing the solution solids. Our previous research investigated the conditions necessary to minimize charge dissipation and deposit a thickness-limited film that grows in area over time through self-limiting electrospray deposition. Such sprays possess the ability to conformally coat complex three-dimensional (3D) objects without changing the location of the spray needle or orientation of the object. This makes them ideally suited for the postprocessing of materials fabricated through additive manufacturing (AM), opening a paradigm of independent bulk and surface functionality. Having demonstrated 3D coating with film thickness in the range of 1-50 μm on a variety of conductive objects, in this study, we employed model substrates to quantitatively study the technique's limits with regard to geometry and scale. Specifically, we examined the effectiveness of thickness-limited ESD for coating recessed features with gaps ranging from 50 μm to 1 cm, as well as the ability to coat surfaces hidden from the line-of-sight of the spray needle. This was then extended to the coating of hydrogel structures printed by AM, demonstrating that coating could be conducted even into the body of the structures as a means to create hydrophobic surfaces without affecting the absorption-driven humidity response. Further, these coatings were robust enough to create superhydrophobicity in the entire structure, causing it to resist immersion in water.
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Affiliation(s)
- Dylan A Kovacevich
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey 08854, United States
| | - Lin Lei
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey 08854, United States
| | - Daehoon Han
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey 08854, United States
| | - Christianna Kuznetsova
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey 08854, United States
| | - Steven E Kooi
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Howon Lee
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey 08854, United States
| | - Jonathan P Singer
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey 08854, United States
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6
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Müller M. Process-directed self-assembly of copolymers: Results of and challenges for simulation studies. Prog Polym Sci 2020. [DOI: 10.1016/j.progpolymsci.2019.101198] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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7
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Toth K, Osuji CO, Yager KG, Doerk GS. Electrospray deposition tool: Creating compositionally gradient libraries of nanomaterials. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2020; 91:013701. [PMID: 32012628 DOI: 10.1063/1.5129625] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 12/08/2019] [Indexed: 06/10/2023]
Abstract
Electrospray deposition (ESD) enables the growth of solution deposited thin films in a precise and continuous manner by the delivery of submicron droplets of dilute solutions to a heated substrate. By combining ESD with programmable motor control and gradient solution pumping in a first-of-its-kind user tool at the Center for Functional Nanomaterials at Brookhaven National Laboratory, we show the ability to create one or two dimensional compositional gradient nanoscale films via ESD. These capabilities make it possible to construct thin film multicomponent "libraries" on a single substrate to rapidly and systematically characterize composition-dependent properties in a variety of material systems such as thin films involving homopolymer and block copolymer blends. We report the design, construction, and validation of a gradient ESD tool that allows users to carefully control the jet stability, flow composition, spray position, and substrate temperature. Calibrated thin films range in thickness from tens to hundreds of nanometers. We demonstrate gradient thin films using a ternary dye triangle as well as a gradual blending of polystyrene homopolymer with poly(styrene-block-methyl methacrylate) on a single substrate. Paired with the rapid measurement capabilities of synchrotron small angle X-ray scattering, this tool forms an integral part of a new platform for high-throughput, autonomous characterization and design of nanomaterial thin films and soft materials more generally.
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Affiliation(s)
- Kristof Toth
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, USA
| | - Chinedum O Osuji
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Kevin G Yager
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Gregory S Doerk
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, USA
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Basutkar MN, Majewski PW, Doerk GS, Toth K, Osuji CO, Karim A, Yager KG. Aligned Morphologies in Near-Edge Regions of Block Copolymer Thin Films. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01703] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Monali N. Basutkar
- Department of Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
| | | | - Gregory S. Doerk
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Kristof Toth
- Department of Chemical Engineering, Yale University, New Haven, Connecticut 06511, United States
| | - Chinedum O. Osuji
- Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Alamgir Karim
- Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
| | - Kevin G. Yager
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
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9
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“Living” electrospray – A controllable polydopamine nano-coating strategy with zero liquid discharge for separation. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.05.071] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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10
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Wiegart L, Doerk GS, Fukuto M, Lee S, Li R, Marom G, Noack MM, Osuji CO, Rafailovich MH, Sethian JA, Shmueli Y, Torres Arango M, Toth K, Yager KG, Pindak R. Instrumentation for In situ/Operando X-ray Scattering Studies of Polymer Additive Manufacturing Processes. ACTA ACUST UNITED AC 2019. [DOI: 10.1080/08940886.2019.1582285] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- L. Wiegart
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York, USA
| | - G. S. Doerk
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York, USA
| | - M. Fukuto
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York, USA
| | - S. Lee
- X-ray Science Division, Argonne National Laboratory, Argonne, Illinois, USA
| | - R. Li
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York, USA
| | - G. Marom
- Casali Institute of Applied Chemistry, The Institute of Chemistry and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - M. M. Noack
- The Center for Advanced Mathematics for Energy Research Applications (CAMERA), Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - C. O. Osuji
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - M. H. Rafailovich
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, USA
| | - J. A. Sethian
- The Center for Advanced Mathematics for Energy Research Applications (CAMERA), Lawrence Berkeley National Laboratory, Berkeley, California, USA
- Department of Mathematics, University of California, Berkeley, California, USA
| | - Y. Shmueli
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, USA
| | - M. Torres Arango
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York, USA
| | - K. Toth
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut, USA
| | - K. G. Yager
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York, USA
| | - R. Pindak
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York, USA
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11
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Cutinho J, Chang BS, Oyola-Reynoso S, Chen J, Akhter SS, Tevis ID, Bello NJ, Martin A, Foster MC, Thuo MM. Autonomous Thermal-Oxidative Composition Inversion and Texture Tuning of Liquid Metal Surfaces. ACS NANO 2018; 12:4744-4753. [PMID: 29648786 DOI: 10.1021/acsnano.8b01438] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Droplets capture an environment-dictated equilibrium state of a liquid material. Equilibrium, however, often necessitates nanoscale interface organization, especially with formation of a passivating layer. Herein, we demonstrate that this kinetics-driven organization may predispose a material to autonomous thermal-oxidative composition inversion (TOCI) and texture reconfiguration under felicitous choice of trigger. We exploit inherent structural complexity, differential reactivity, and metastability of the ultrathin (∼0.7-3 nm) passivating oxide layer on eutectic gallium-indium (EGaIn, 75.5% Ga, 24.5% In w/w) core-shell particles to illustrate this approach to surface engineering. Two tiers of texture can be produced after ca. 15 min of heating, with the first evolution showing crumpling, while the second is a particulate growth above the first uniform texture. The formation of tier 1 texture occurs primarily because of diffusion-driven oxide buildup, which, as expected, increases stiffness of the oxide layer. The surface of this tier is rich in Ga, akin to the ambient formed passivating oxide. Tier 2 occurs at higher temperature because of thermally triggered fracture of the now thick and stiff oxide shell. This process leads to inversion in composition of the surface oxide due to higher In content on the tier 2 features. At higher temperatures (≥800 °C), significant changes in composition lead to solidification of the remaining material. Volume change upon oxidation and solidification leads to a hollow structure with a textured surface and faceted core. Controlled thermal treatment of liquid EGaIn therefore leads to tunable surface roughness, composition inversion, increased stiffness in the oxide shell, or a porous solid structure. We infer that this tunability is due to the structure of the passivating oxide layer that is driven by differences in reactivity of Ga and In and requisite enrichment of the less reactive component at the metal-oxide interface.
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Affiliation(s)
- Joel Cutinho
- Department of Materials Science and Engineering , Iowa State University , 2220 Hoover Hall , Ames , Iowa 50011 , United States
| | - Boyce S Chang
- Department of Materials Science and Engineering , Iowa State University , 2220 Hoover Hall , Ames , Iowa 50011 , United States
| | - Stephanie Oyola-Reynoso
- Department of Materials Science and Engineering , Iowa State University , 2220 Hoover Hall , Ames , Iowa 50011 , United States
| | - Jiahao Chen
- Department of Materials Science and Engineering , Iowa State University , 2220 Hoover Hall , Ames , Iowa 50011 , United States
- Microelectronics Research Center , Iowa State University , 133 Applied Sciences Complex I, 1925 Scholl Road , Ames , Iowa 50011 , United States
| | - S Sabrina Akhter
- Department of Chemistry , University of Massachusetts Boston , 100 Morrissey Blvd. , Boston , Massachusetts 02169 , United States
| | - Ian D Tevis
- Department of Materials Science and Engineering , Iowa State University , 2220 Hoover Hall , Ames , Iowa 50011 , United States
| | - Nelson J Bello
- Department of Chemistry , University of Massachusetts Boston , 100 Morrissey Blvd. , Boston , Massachusetts 02169 , United States
| | - Andrew Martin
- Department of Materials Science and Engineering , Iowa State University , 2220 Hoover Hall , Ames , Iowa 50011 , United States
| | - Michelle C Foster
- Department of Chemistry , University of Massachusetts Boston , 100 Morrissey Blvd. , Boston , Massachusetts 02169 , United States
| | - Martin M Thuo
- Department of Materials Science and Engineering , Iowa State University , 2220 Hoover Hall , Ames , Iowa 50011 , United States
- Microelectronics Research Center , Iowa State University , 133 Applied Sciences Complex I, 1925 Scholl Road , Ames , Iowa 50011 , United States
- Biopolymer and Bio-composites Research Team, Center for Bioplastics and Bio-composites , Iowa State University , 1041 Food Sciences Building , Ames , Iowa 50011 , United States
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12
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Abate AA, Vu GT, Pezzutti AD, García NA, Davis RL, Schmid F, Register RA, Vega DA. Shear-Aligned Block Copolymer Monolayers as Seeds To Control the Orientational Order in Cylinder-Forming Block Copolymer Thin Films. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00816] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Anabella A. Abate
- Instituto
de Física del Sur (IFISUR), Consejo Nacional de Investigaciones
Científicas y Técnicas (CONICET), Universidad Nacional del Sur, 8000 Bahía Blanca, Argentina
| | - Giang Thi Vu
- Institut
für Physik, Johannes Gutenberg Universität Mainz, Staudinger Weg
7, D-55099 Mainz, Germany
| | - Aldo D. Pezzutti
- Instituto
de Física del Sur (IFISUR), Consejo Nacional de Investigaciones
Científicas y Técnicas (CONICET), Universidad Nacional del Sur, 8000 Bahía Blanca, Argentina
| | - Nicolás A. García
- Instituto
de Física del Sur (IFISUR), Consejo Nacional de Investigaciones
Científicas y Técnicas (CONICET), Universidad Nacional del Sur, 8000 Bahía Blanca, Argentina
| | - Raleigh L. Davis
- Department
of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Friederike Schmid
- Institut
für Physik, Johannes Gutenberg Universität Mainz, Staudinger Weg
7, D-55099 Mainz, Germany
| | - Richard A. Register
- Department
of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Daniel A. Vega
- Instituto
de Física del Sur (IFISUR), Consejo Nacional de Investigaciones
Científicas y Técnicas (CONICET), Universidad Nacional del Sur, 8000 Bahía Blanca, Argentina
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13
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Hahn J, Clodt JI, Abetz C, Filiz V, Abetz V. Thin Isoporous Block Copolymer Membranes: It Is All about the Process. ACS APPLIED MATERIALS & INTERFACES 2015; 7:21130-21137. [PMID: 26349610 DOI: 10.1021/acsami.5b04658] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The combination of the self-assembly of amphiphilic block copolymers and the nonsolvent induced phase inversion process offers an efficient way to isoporous integral-asymmetric membranes. In this context we report fast, easily upscalable and material reducing ways to thin self-assembled membranes. Therefore, we succeeded to implement a spray or dip coating step into the membrane formation process of different diblock copolymers like polystyrene-block-poly(4-vinylpyridine), poly(α-methylstyrene)-bock-poly(4-vinylpyridine), and polystyrene-block-poly(iso-propylglycidyl methacrylate). The formation of hexagonal pore structures was possible using a highly diluted one solvent system allowing the reduction of diblock copolymer consumption and therefore the production costs are minimized compared to conventional blade casting approaches. The broad applicability of the process was proven by using different flat and hollow fiber support materials. Furthermore, the membranes made by this new method showed a more than 6-fold increase in water flux compared to conventional polystyrene-block-poly(4-vinylpyridine) membranes with similar pore sizes prepared by blade casting. The membranes could be proven to be stable at transmembrane pressures of 2 bar and showed a pH responsive flux behavior over several cycles.
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Affiliation(s)
- Janina Hahn
- Helmholtz-Zentrum Geesthacht, Institute of Polymer Research , Max-Planck-Strasse 1, 21502 Geesthacht, Germany
| | - Juliana I Clodt
- Helmholtz-Zentrum Geesthacht, Institute of Polymer Research , Max-Planck-Strasse 1, 21502 Geesthacht, Germany
| | - Clarissa Abetz
- Helmholtz-Zentrum Geesthacht, Institute of Polymer Research , Max-Planck-Strasse 1, 21502 Geesthacht, Germany
| | - Volkan Filiz
- Helmholtz-Zentrum Geesthacht, Institute of Polymer Research , Max-Planck-Strasse 1, 21502 Geesthacht, Germany
| | - Volker Abetz
- Helmholtz-Zentrum Geesthacht, Institute of Polymer Research , Max-Planck-Strasse 1, 21502 Geesthacht, Germany
- University of Hamburg, Institute of Physical Chemistry , Grindelallee 117, 20146 Hamburg, Germany
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14
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Choo Y, Hu H, Toth K, Osuji CO. Sequential deposition of block copolymer thin films and formation of lamellar heterolattices by electrospray deposition. ACTA ACUST UNITED AC 2015. [DOI: 10.1002/polb.23913] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Youngwoo Choo
- Department of Chemical and Environmental Engineering; Yale University; Connecticut 06511 New Haven
| | - Hanqiong Hu
- Department of Chemical and Environmental Engineering; Yale University; Connecticut 06511 New Haven
| | - Kristof Toth
- Department of Chemical and Environmental Engineering; Yale University; Connecticut 06511 New Haven
| | - Chinedum O. Osuji
- Department of Chemical and Environmental Engineering; Yale University; Connecticut 06511 New Haven
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15
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Hu H, Choo Y, Feng X, Osuji CO. Physical Continuity and Vertical Alignment of Block Copolymer Domains by Kinetically Controlled Electrospray Deposition. Macromol Rapid Commun 2015; 36:1290-6. [DOI: 10.1002/marc.201500099] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 03/26/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Hanqiong Hu
- Department of Chemical Engineering; Yale University; New Haven CT 06511 USA
| | - Youngwoo Choo
- Department of Chemical Engineering; Yale University; New Haven CT 06511 USA
| | - Xunda Feng
- Department of Chemical Engineering; Yale University; New Haven CT 06511 USA
| | - Chinedum O. Osuji
- Department of Chemical Engineering; Yale University; New Haven CT 06511 USA
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16
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Abetz V. Isoporous block copolymer membranes. Macromol Rapid Commun 2014; 36:10-22. [PMID: 25451792 DOI: 10.1002/marc.201400556] [Citation(s) in RCA: 147] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 11/06/2014] [Indexed: 11/06/2022]
Abstract
The developments in membranes based on tailored block copolymers are reported with an emphasis on isoporous membranes. These membranes can be prepared in different geometries, namely flat sheets and hollow fibers. They display narrow pore size distributions due to their formation by self-assembly. The preparation of these membranes and possibilities to further functionalize such membranes will be discussed. Different ways to control the pore size will be addressed, and the potential of block copolymer blends to fabricate membranes with tailored pore sizes will be shown.
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Affiliation(s)
- Volker Abetz
- Institute of Physical Chemistry, University of Hamburg, Grindelallee 117, 20146 Hamburg, Germany Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502, Geesthacht, Germany
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