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Hendeniya N, Chittick C, Hillery K, Abtahi S, Mosher C, Chang B. Revealing the Kinetic Phase Behavior of Block Copolymer Complexes Using Solvent Vapor Absorption-Desorption Isotherms. ACS APPLIED MATERIALS & INTERFACES 2024; 16:18144-18153. [PMID: 38530201 PMCID: PMC11009910 DOI: 10.1021/acsami.4c00076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/27/2024] [Accepted: 03/04/2024] [Indexed: 03/27/2024]
Abstract
Controlling the self-assembled morphologies in block copolymers heavily depends on their molecular architecture and processing conditions. Solvent vapor annealing is a versatile processive pathway to obtain highly periodic self-assemblies from high chi (χ) block copolymers (BCPs) and supramolecular BCP complexes. Despite the importance of navigating the energy landscape, controlled solvent vapor annealing (SVA) has not been investigated in BCP complexes, partly due to its intricate multicomponent nature. We introduce characteristic absorption-desorption solvent vapor isotherms as an effective way to understand swelling behavior and follow the morphological evolution of the polystyrene-block-poly(4-vinylpyridine) block copolymer complexed with pentadecylphenol (PS-b-P4VP(PDP)). Using the sorption isotherms, we identify the glass transition points, polymer-solvent interaction parameters, and bulk modulus. These parameters indicate that complexation completely screens the polymer interchain interactions. Furthermore, we established that the sorption isotherm of the homopolymer blocks serves to deconvolute the intricacy of BCP complexes. We applied our findings by developing annealing pathways for grain coarsening while preventing macroscopic film dewetting under SVA. Here, grain coarsening obeyed a power law and the growth exponent revealed a kinetic transition point for rapid self-assembly. Overall, SVA-based sorption isotherms have emerged as a critical method for understanding and developing annealing pathways for BCP complexes.
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Affiliation(s)
- Nayanathara Hendeniya
- Department
of Materials Science and Engineering, Iowa
State University, Ames, Iowa 50011, United States
| | - Caden Chittick
- Department
of Materials Science and Engineering, Iowa
State University, Ames, Iowa 50011, United States
| | - Kaitlyn Hillery
- Department
of Materials Science and Engineering, Iowa
State University, Ames, Iowa 50011, United States
| | - Shaghayegh Abtahi
- Department
of Materials Science and Engineering, Iowa
State University, Ames, Iowa 50011, United States
| | - Curtis Mosher
- Roy
J. Carver High-Resolution Microscopy Facility, Office of Biotechnology, Iowa State University, Ames, Iowa 50011, United States
| | - Boyce Chang
- Department
of Materials Science and Engineering, Iowa
State University, Ames, Iowa 50011, United States
- Micro-Electronics
Research Center, Iowa State University, Ames, Iowa 50011, United States
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2
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Rasool S, Yeop J, An NG, Kim JW, Kim JY. Role of Charge-Carrier Dynamics Toward the Fabrication of Efficient Air-Processed Organic Solar Cells. SMALL METHODS 2024; 8:e2300578. [PMID: 37649231 DOI: 10.1002/smtd.202300578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/10/2023] [Indexed: 09/01/2023]
Abstract
Over the past couple of decades, immense research has been carried out to understand the photo-physics of an organic solar cell (OSC) that is important to enhance its efficiency and stability. Since OSCs undergoes complex photophysical phenomenon, studying these factors has led to designing new materials and implementing new strategies to improve efficiency in OSCs. In this regard, the invention of the non-fullerene acceptorshas greatly revolutionized the understanding of the fundamental processes occurring in OSCs. However, such vital fundamental research from device physics perspectives is carried out on glovebox (GB) processed OSCs and there is a scarcity of research on air-processed (AP) OSCs. This review will focus on charge carrier dynamics such as exciton diffusion, exciton dissociation, charge-transfer states, significance of highest occupied molecular orbital-offsets, and hole-transfer efficiencies of GB-OSCs and compare them with the available data from the AP-OSCs. Finally, key requirements for the fabrication of efficient AP-OSCs will be presented from a charge-carrier dynamics perspective. The key aspects from the charge-carrier dynamics view to fabricate efficient OSCs either from GB or air are provided.
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Affiliation(s)
- Shafket Rasool
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
| | - Jiwoo Yeop
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
| | - Na Gyeong An
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
- Department of Chemical and Biological Engineering, Monash University, Victoria, 3800, Australia
- Commonwealth Scientific and Industrial Research Organization (CSIRO) Manufacturing, Clayton, Victoria, 3168, Australia
| | - Jae Won Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
| | - Jin Young Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
- Graduate School of Carbon Neutrality, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan, 44919, South Korea
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3
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Jung FA, Papadakis CM. Strategy to simulate and fit 2D grazing-incidence small-angle X-ray scattering patterns of nanostructured thin films. J Appl Crystallogr 2023; 56:1330-1347. [PMID: 37791363 PMCID: PMC10543672 DOI: 10.1107/s1600576723006520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 07/27/2023] [Indexed: 10/05/2023] Open
Abstract
Grazing-incidence small-angle X-ray scattering (GISAXS) is a widely used method for the characterization of the nanostructure of supported thin films and enables time-resolved in situ measurements. The 2D scattering patterns contain detailed information about the nanostructures within the film and at its surface. However, this information is distorted not only by the reflection of the X-ray beam at the substrate-film interface and its refraction at the film surface but also by scattering of the substrate, the sample holder and other types of parasitic background scattering. In this work, a new, efficient strategy to simulate and fit 2D GISAXS patterns that explicitly includes these effects is introduced and demonstrated for (i) a model case nanostructured thin film on a substrate and (ii) experimental data from a microphase-separated block copolymer thin film. To make the protocol efficient, characteristic linecuts through the 2D GISAXS patterns, where the different contributions dominate, are analysed. The contributions of the substrate and the parasitic background scattering - which ideally are measured separately - are determined first and are used in the analysis of the 2D GISAXS patterns of the nanostructured, supported film. The nanostructures at the film surface and within the film are added step by step to the real-space model of the simulation, and their structural parameters are determined by minimizing the difference between simulated and experimental scattering patterns in the selected linecuts. Although in the present work the strategy is adapted for and tested with BornAgain, it can be easily used with other types of simulation software. The strategy is also applicable to grazing-incidence small-angle neutron scattering.
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Affiliation(s)
- Florian A. Jung
- TUM School of Natural Sciences, Physics Department, Soft Matter Physics Group, Technical University of Munich, James-Franck-Straße 1, Garching 85748, Germany
| | - Christine M. Papadakis
- TUM School of Natural Sciences, Physics Department, Soft Matter Physics Group, Technical University of Munich, James-Franck-Straße 1, Garching 85748, Germany
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4
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Baumgarten N, Mumtaz M, Merino DH, Solano E, Halila S, Bernard J, Drockenmuller E, Fleury G, Borsali R. Interface Manipulations Using Cross-Linked Underlayers and Surface-Active Diblock Copolymers to Extend Morphological Diversity in High-χ Diblock Copolymer Thin Films. ACS APPLIED MATERIALS & INTERFACES 2023; 15:23736-23748. [PMID: 37134266 DOI: 10.1021/acsami.3c02247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Top and bottom interfaces of high-χ cylinder-forming polystyrene-block-maltoheptaose (PS-b-MH) diblock copolymer (BCP) thin films are manipulated using cross-linked copolymer underlayers and a fluorinated phase-preferential surface-active polymer (SAP) additive to direct the self-assembly (both morphology and orientation) of BCP microdomains into sub-10 nm patterns. A series of four photo-cross-linkable statistical copolymers with various contents of styrene, a 4-vinylbenzyl azide cross-linker, and a carbohydrate-based acrylamide are processed into 15 nm-thick cross-linked passivation layers on silicon substrates. A partially fluorinated analogue of the PS-b-MH phase-preferential SAP additive is designed to tune the surface energy of the top interface. The self-assembly of PS-b-MH thin films on top of different cross-linked underlayers and including 0-20 wt % of SAP additive is investigated by atomic force microscopy and synchrotron grazing incidence small-angle X-ray scattering analysis. The precise manipulation of the interfaces of ca. 30 nm thick PS-b-MH films not only allows the control of the in-plane/out-of-plane orientation of hexagonally packed (HEX) cylinders but also promotes epitaxial order-order transitions from HEX cylinders to either face-centered orthorhombic or body-centered cubic spheres without modifying the volume fraction of both blocks. This general approach paves the way for the controlled self-assembly of other high-χ BCP systems.
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Affiliation(s)
- Noémie Baumgarten
- Univ Lyon, Université Lyon 1, INSA de Lyon, CNRS, Ingénierie des Matériaux Polymères, UMR 5223, F-69003, Lyon, France
| | | | - Daniel Hermida Merino
- Dutch-Belgian Beamline, Netherlands Organization for Scientific Research, European Synchrotron Radiation Facility, F-38000 Grenoble, France
- Departamento de Física Aplicada, CINBIO, Universidade de Vigo, Campus Lagoas-Marcosende, E36310 Vigo, Galicia, Spain
| | - Eduardo Solano
- NCD-SWEET Beamline, ALBA Synchrotron Light Source, 08290 Cerdanyola del Vallès, Spain
| | - Sami Halila
- Univ Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - Julien Bernard
- Univ Lyon, Université Lyon 1, INSA de Lyon, CNRS, Ingénierie des Matériaux Polymères, UMR 5223, F-69003, Lyon, France
| | - Eric Drockenmuller
- Univ Lyon, Université Lyon 1, INSA de Lyon, CNRS, Ingénierie des Matériaux Polymères, UMR 5223, F-69003, Lyon, France
| | - Guillaume Fleury
- Univ. Bordeaux, CNRS, Bordeaux INP, LCPO, UMR 5629, F-33600 Pessac, France
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5
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Pula P, Leniart A, Majewski PW. Solvent-assisted self-assembly of block copolymer thin films. SOFT MATTER 2022; 18:4042-4066. [PMID: 35608282 DOI: 10.1039/d2sm00439a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Solvent-assisted block copolymer self-assembly is a compelling method for processing and advancing practical applications of these materials due to the exceptional level of the control of BCP morphology and significant acceleration of ordering kinetics. Despite substantial experimental and theoretical efforts devoted to understanding of solvent-assisted BCP film ordering, the development of a universal BCP patterning protocol remains elusive; possibly due to a multitude of factors which dictate the self-assembly scenario. The aim of this review is to aggregate both seminal reports and the latest progress in solvent-assisted directed self-assembly and to provide the reader with theoretical background, including the outline of BCP ordering thermodynamics and kinetics phenomena. We also indicate significant BCP research areas and emerging high-tech applications where solvent-assisted processing might play a dominant role.
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Affiliation(s)
- Przemyslaw Pula
- Department of Chemistry, University of Warsaw, Warsaw 02089, Poland.
| | - Arkadiusz Leniart
- Department of Chemistry, University of Warsaw, Warsaw 02089, Poland.
| | - Pawel W Majewski
- Department of Chemistry, University of Warsaw, Warsaw 02089, Poland.
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6
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Smilgies D. GISAXS
: A versatile tool to assess structure and self‐assembly kinetics in block copolymer thin films. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20210244] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Detlef‐M. Smilgies
- Center for Advanced Microelectronics Manufacturing (CAMM) Binghamton University Binghamton New York USA
- School of Pharmacy and Pharmaceutical Sciences Binghamton University Binghamton New York USA
- Materials Science and Engineering Program Binghamton University Binghamton New York USA
- R.F. Smith School of Chemical and Biomolecular Engineering Cornell University Ithaca New York USA
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7
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Alvarez-Fernandez A, Fornerod MJ, Reid B, Guldin S. Solvent Vapor Annealing for Controlled Pore Expansion of Block Copolymer-Assembled Inorganic Mesoporous Films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:3297-3304. [PMID: 35235337 PMCID: PMC9097528 DOI: 10.1021/acs.langmuir.2c00074] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/23/2022] [Indexed: 05/18/2023]
Abstract
Mesoporous inorganic thin films are promising materials architectures for a variety of high-value applications, ranging from optical coatings and purification membranes to sensing and energy storage devices. Having precise control over the structural parameters of the porous network is crucial for broadening their applicability. To this end, the use of block copolymers (BCP) as sacrificial structure-directing agents via micelle coassembly is a particularly attractive route, since the resultant pore size is directly related to scaling laws for the radius of gyration of the pore-forming macromolecule. However, tailoring the molecular weight of the BCP via bespoke synthesis is an elaborate process that requires precise control over highly sensitive reactions conditions. Alternative methods have emerged, based on supramolecular assembly or the addition of different swelling agents. Nevertheleses, to date, these present a negative impact on the structural order and pore size dispersity of the final inorganic mesoporous films. In this work, we propose a novel and effective method for control over pore size, porosity, and structural order, which relies on a synergistic combination of BCP selective swelling via solvent vapor annealing (SVA) and locking of the structure by condensation of the inorganic sol-gel precursors. The results obtained in this work for TiO2 establish SVA as a new, straightforward, simple, and powerful route for the fabrication of mesoporous thin-film materials with controllable structural characteristics.
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8
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Leniart A, Pula P, Style RW, Majewski PW. Pathway-Dependent Grain Coarsening of Block Copolymer Patterns under Controlled Solvent Evaporation. ACS Macro Lett 2022; 11:121-126. [PMID: 35574792 PMCID: PMC8772373 DOI: 10.1021/acsmacrolett.1c00677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/27/2021] [Indexed: 11/28/2022]
Abstract
Solvent evaporation annealing (SEA) is a straightforward, single-step casting and annealing method of block copolymers (BCP) processing yielding large-grained morphologies in a very short time. Here, we present a quantitative analysis of BCP grain-coarsening in thin films under controlled evaporation of the solvent. Our study is aimed at understanding time and BCP concentration influence on the rate of the lateral growth of BCP grains. By systematically investigating the coarsening kinetics at various BCP concentrations, we observed a steeply decreasing exponential dependence of the kinetics power-law time exponent on polymer concentration. We used this dependence to formulate a mathematical model of BCP ordering under nonstationary conditions and a 2D, time- and concentration-dependent coarsening rate diagram, which can be used as an aid in engineering the BCP processing pathway in SEA and also in other directed self-assembly methods that utilize BCP-solvent interactions such as solvent vapor annealing.
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Affiliation(s)
| | - Przemyslaw Pula
- Department
of Chemistry, University of Warsaw, Warsaw 02089, Poland
| | - Robert W. Style
- Department
of Materials, Soft and Living Materials, ETH Zürich, Vladimir-Prelog-Weg 10, 8093 Zürich, Switzerland
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9
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Zhao F, Xu Z, Li W. Self-Assembly of Asymmetric Diblock Copolymers under the Spherical Confinement. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c02250] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Fengmei Zhao
- State Key Laboratory of Molecular Engineering of Polymers, Key Laboratory of Computational Physical Sciences, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Zhanwen Xu
- State Key Laboratory of Molecular Engineering of Polymers, Key Laboratory of Computational Physical Sciences, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Weihua Li
- State Key Laboratory of Molecular Engineering of Polymers, Key Laboratory of Computational Physical Sciences, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
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10
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Müller M, Abetz V. Nonequilibrium Processes in Polymer Membrane Formation: Theory and Experiment. Chem Rev 2021; 121:14189-14231. [PMID: 34032399 DOI: 10.1021/acs.chemrev.1c00029] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Porous polymer and copolymer membranes are useful for ultrafiltration of functional macromolecules, colloids, and water purification. In particular, block copolymer membranes offer a bottom-up approach to form isoporous membranes. To optimize permeability, selectivity, longevity, and cost, and to rationally design fabrication processes, direct insights into the spatiotemporal structure evolution are necessary. Because of a multitude of nonequilibrium processes in polymer membrane formation, theoretical predictions via continuum models and particle simulations remain a challenge. We compiled experimental observations and theoretical approaches for homo- and block copolymer membranes prepared by nonsolvent-induced phase separation and highlight the interplay of multiple nonequilibrium processes─evaporation, solvent-nonsolvent exchange, diffusion, hydrodynamic flow, viscoelasticity, macro- and microphase separation, and dynamic arrest─that dictates the complex structure of the membrane on different scales.
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Affiliation(s)
- Marcus Müller
- Georg-August Universität, Institut für Theoretische Physik, 37073 Göttingen, Germany
| | - Volker Abetz
- Helmholtz-Zentrum Hereon, Institut für Membranforschung, 21502 Geesthacht, Germany.,Universität Hamburg, Institut für Physikalische Chemie, 20146 Hamburg, Germany
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11
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Ogawa H, Takenaka M, Miyazaki T. Molecular Weight Effect on the Transition Processes of a Symmetric PS- b-P2VP during Spin-Coating. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c01567] [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)
- Hiroki Ogawa
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
- Riken SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan
| | - Mikihito Takenaka
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
- Riken SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan
| | - Tsukasa Miyazaki
- Comprehensive Research Organization for Science and Society, Shirakata, Tokai, Ibaraki 319-1106, Japan
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12
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Leniart A, Pula P, Tsai EHR, Majewski PW. Large-Grained Cylindrical Block Copolymer Morphologies by One-Step Room-Temperature Casting. Macromolecules 2020; 53:11178-11189. [PMID: 33380751 PMCID: PMC7759006 DOI: 10.1021/acs.macromol.0c02026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 11/13/2020] [Indexed: 12/11/2022]
Abstract
We report a facile method of ordering block copolymer (BCP) morphologies in which the conventional two-step casting and annealing steps are replaced by a single-step process where microphase separation and grain coarsening are seamlessly integrated within the casting protocol. This is achieved by slowing down solvent evaporation during casting by introducing a nonvolatile solvent into the BCP casting solution that effectively prolongs the duration of the grain-growth phase. We demonstrate the utility of this solvent evaporation annealing (SEA) method by producing well-ordered large-molecular-weight BCP thin films in a total processing time shorter than 3 min without resorting to any extra laboratory equipment other than a basic casting device, i.e., spin- or blade-coater. By analyzing the morphologies of the quenched samples, we identify a relatively narrow range of polymer concentration in the wet film, just above the order-disorder concentration, to be critical for obtaining large-grained morphologies. This finding is corroborated by the analysis of the grain-growth kinetics of horizontally oriented cylindrical domains where relatively large growth exponents (1/2) are observed, indicative of a more rapid defect-annihilation mechanism in the concentrated BCP solution than in thermally annealed BCP melts. Furthermore, the analysis of temperature-resolved kinetics data allows us to calculate the Arrhenius activation energy of the grain coarsening in this one-step BCP ordering process.
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Affiliation(s)
| | - Przemyslaw Pula
- Department
of Chemistry, University of Warsaw, Warsaw 02089, Poland
| | - Esther H. R. Tsai
- Center
for Functional Nanomaterials, Brookhaven
National Laboratory, Upton, New York 11973, United States
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13
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Lee D, Lee J, Park J, Chang T. Orientation of Microphase in Polystyrene- b-polyisoprene Thin Film under Solvent Vapor Annealing. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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14
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Gu X, Li W. Impact of Thin-Film Confinement on the Packing of Low-Coordinate Spheres in Bulk. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01635] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xueying Gu
- State Key Laboratory of Molecular Engineering of Polymers, Key Laboratory of Computational Physical Sciences, Department of Macromolecular Science, Fudan University, Shanghai 2004338, China
| | - Weihua Li
- State Key Laboratory of Molecular Engineering of Polymers, Key Laboratory of Computational Physical Sciences, Department of Macromolecular Science, Fudan University, Shanghai 2004338, China
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15
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Bilchak CR, Govind S, Contreas G, Rasin B, Maguire SM, Composto RJ, Fakhraai Z. Kinetic Monitoring of Block Copolymer Self-Assembly Using In Situ Spectroscopic Ellipsometry. ACS Macro Lett 2020; 9:1095-1101. [PMID: 35653214 DOI: 10.1021/acsmacrolett.0c00444] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Understanding the kinetic pathways of self-assembly in block copolymers (BCPs) has been a long-standing challenge, mostly due to limitations of in situ monitoring techniques. Here, we demonstrate an approach that uses optical birefringence, determined by spectroscopic ellipsometry (SE), as a measure of domain formation in cylinder- and lamellae-forming BCP films. The rapid experimental acquisition time in SE (ca. 1 sec) enables monitoring of the assembly/disassembly kinetics of BCP films during solvent-vapor annealing (SVA). We demonstrate that upon SVA, BCP films form ordered domains that are stable in the swollen state, but disorder upon rapid drying. Surprisingly, the disassembly during drying strongly depends on the duration of solvent exposure in the swollen state, explaining previous observations of loss of order in SVA processes. SE thus allows for decoupling of BCP self-assembly and disordering that occurs during solvent annealing and solvent evaporation, which is difficult to probe using other, slower techniques.
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16
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Jung FA, Berezkin AV, Tejsner TB, Posselt D, Smilgies D, Papadakis CM. Solvent Vapor Annealing of a Diblock Copolymer Thin Film with a Nonselective and a Selective Solvent: Importance of Pathway for the Morphological Changes. Macromol Rapid Commun 2020; 41:e2000150. [DOI: 10.1002/marc.202000150] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/15/2020] [Indexed: 11/07/2022]
Affiliation(s)
- Florian A. Jung
- Technische Universität München Physik‐Department Physik der weichen Materie James‐Franck‐Str. 1 Garching 85748 Germany
| | - Anatoly V. Berezkin
- Technische Universität München Physik‐Department Physik der weichen Materie James‐Franck‐Str. 1 Garching 85748 Germany
| | - Tim B. Tejsner
- IMFUFA Department of Science and Environment Roskilde University P.O. Box 260 Roskilde 4000 Denmark
| | - Dorthe Posselt
- IMFUFA Department of Science and Environment Roskilde University P.O. Box 260 Roskilde 4000 Denmark
| | - Detlef‐M. Smilgies
- Cornell High Energy Synchrotron Source (CHESS) Wilson Laboratory Cornell University Ithaca NY 14853 USA
| | - Christine M. Papadakis
- Technische Universität München Physik‐Department Physik der weichen Materie James‐Franck‐Str. 1 Garching 85748 Germany
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17
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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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18
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Cao W, Xia S, Appold M, Saxena N, Bießmann L, Grott S, Li N, Gallei M, Bernstorff S, Müller-Buschbaum P. Self-Assembly in ultrahigh molecular weight sphere-forming diblock copolymer thin films under strong confinement. Sci Rep 2019; 9:18269. [PMID: 31797983 PMCID: PMC6892843 DOI: 10.1038/s41598-019-54648-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 11/12/2019] [Indexed: 11/09/2022] Open
Abstract
Ultrahigh molecular weight (UHMW) diblock copolymers (DBCs) have emerged as a promising template for fabricating large-sized nanostructures. Therefore, it is of high significance to systematically study the influence of film thickness and solvent vapor annealing (SVA) on the structure evolution of UHMW DBC thin films. In this work, spin coating of an asymmetric linear UHMW polystyrene-block-poly(methyl methacrylate) (PS-b-PMMA) DBC is used to fabricate thin films, which are spherically structured with an inter-domain distance larger than 150 nm. To enhance the polymer chain mobility and facilitate approaching equilibrium nanostructures, SVA is utilized as a post-treatment of the spin coated films. With increasing film thickness, a local hexagonal packing of PMMA half-spheres on the surface can be obtained, and the order is improved at larger thickness, as determined by grazing incidence small angle X-ray scattering (GISAXS). Additionally, the films with locally hexagonal packed half-spherical morphology show a poor order-order-poor order transition upon SVA, indicating the realization of ordered structure using suitable SVA parameters.
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Affiliation(s)
- Wei Cao
- Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Straße 1, 85748, Garching, Germany
| | - Senlin Xia
- Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Straße 1, 85748, Garching, Germany
| | - Michael Appold
- Technische Universität Darmstadt, Ernst-Berl-Institute for Technical and Macromolecular Chemistry, Alarich-Weiss-Straße 4, 64287, Darmstadt, Germany
| | - Nitin Saxena
- Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Straße 1, 85748, Garching, Germany
| | - Lorenz Bießmann
- Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Straße 1, 85748, Garching, Germany
| | - Sebastian Grott
- Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Straße 1, 85748, Garching, Germany
| | - Nian Li
- Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Straße 1, 85748, Garching, Germany
| | - Markus Gallei
- Saarland University, Chair in Polymer Chemistry, Campus C4 2, 66123, Saarbrücken, Germany
| | - Sigrid Bernstorff
- Elettra-Sincrotrone Trieste S.C.p.A., Strada Statale 14, km 163.5, in AREA Science Park, 34149, Trieste, Italy
| | - Peter Müller-Buschbaum
- Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Straße 1, 85748, Garching, Germany.
- Technische Universität München, Heinz Maier-Leibnitz Zentrum (MLZ), Lichtenbergstr. 1, 85748, Garching, Germany.
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19
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Cheng X, Böker A, Tsarkova L. Temperature-Controlled Solvent Vapor Annealing of Thin Block Copolymer Films. Polymers (Basel) 2019; 11:E1312. [PMID: 31390732 PMCID: PMC6722758 DOI: 10.3390/polym11081312] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 08/01/2019] [Accepted: 08/03/2019] [Indexed: 12/05/2022] Open
Abstract
Solvent vapor annealing is as an effective and versatile alternative to thermal annealing to equilibrate and control the assembly of polymer chains in thin films. Here, we present scientific and practical aspects of the solvent vapor annealing method, including the discussion of such factors as non-equilibrium conformational states and chain dynamics in thin films in the presence of solvent. Homopolymer and block copolymer films have been used in model studies to evaluate the robustness and the reproducibility of the solvent vapor processing, as well as to assess polymer-solvent interactions under confinement. Advantages of utilizing a well-controlled solvent vapor environment, including practically interesting regimes of weakly saturated vapor leading to poorly swollen states, are discussed. Special focus is given to dual temperature control over the set-up instrumentation and to the potential of solvo-thermal annealing. The evaluated insights into annealing dynamics derived from the studies on block copolymer films can be applied to improve the processing of thin films of crystalline and conjugated polymers as well as polymer composite in confined geometries.
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Affiliation(s)
- Xiao Cheng
- Fraunhofer Institute for Applied Polymer Research IAP, Geiselbergstr. 69, 14476 Potsdam-Golm, Germany
- Lehrstuhl für Polymermaterialien und Polymertechnologie, University of Potsdam, 14476 Potsdam-Golm, Germany
| | - Alexander Böker
- Fraunhofer Institute for Applied Polymer Research IAP, Geiselbergstr. 69, 14476 Potsdam-Golm, Germany
- Lehrstuhl für Polymermaterialien und Polymertechnologie, University of Potsdam, 14476 Potsdam-Golm, Germany
| | - Larisa Tsarkova
- Deutsches Textilforschungszentrum Nord-West (DNTW), Adlerstr. 1, 47798 Krefeld, Germany.
- Chair of Colloid Chemistry, Department of Chemistry, Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia.
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20
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Weller DW, Galuska L, Wang W, Ehlenburg D, Hong K, Gu X. Roll-to-Roll Scalable Production of Ordered Microdomains through Nonvolatile Additive Solvent Annealing of Block Copolymers. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00772] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Daniel W. Weller
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Luke Galuska
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Weiyu Wang
- Chemical Sciences Divisions and Center for Nanophase Material Sciences (CNMS), Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Dakota Ehlenburg
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
| | - Kunlun Hong
- Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Xiaodan Gu
- School of Polymer Science and Engineering, The University of Southern Mississippi, Hattiesburg, Mississippi 39406, United States
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21
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Kim YC, Shin TJ, Hur SM, Kwon SJ, Kim SY. Shear-solvo defect annihilation of diblock copolymer thin films over a large area. SCIENCE ADVANCES 2019; 5:eaaw3974. [PMID: 31214653 PMCID: PMC6570509 DOI: 10.1126/sciadv.aaw3974] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 05/03/2019] [Indexed: 05/21/2023]
Abstract
Achieving defect-free block copolymer (BCP) nanopatterns with a long-ranged orientation over a large area remains a persistent challenge, impeding the successful and widespread application of BCP self-assembly. Here, we demonstrate a new experimental strategy for defect annihilation while conserving structural order and enhancing uniformity of nanopatterns. Sequential shear alignment and solvent vapor annealing generate perfectly aligned nanopatterns with a low defect density over centimeter-scale areas, outperforming previous single or sequential combinations of annealing. The enhanced order quality and pattern uniformity were characterized in unprecedented detail via scattering analysis and incorporating new mathematical indices using elaborate image processing algorithms. In addition, using an advanced sampling method combined with a coarse-grained molecular simulation, we found that domain swelling is the driving force for enhanced defect annihilation. The superior quality of large-scale nanopatterns was further confirmed with diffraction and optical properties after metallized patterns, suggesting strong potential for application in optoelectrical devices.
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Affiliation(s)
- Ye Chan Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Tae Joo Shin
- UNIST Central Research Facilities and School of Natural Science, UNIST, Ulsan 44919, Republic of Korea
| | - Su-Mi Hur
- School of Polymer Science and Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Seok Joon Kwon
- Nanophotonics Research Center, Korea Institute of Science and Technology, Seongbuk-Gu, Seoul 02792, Republic of Korea
| | - So Youn Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
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22
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Dolan JA, Korzeb K, Dehmel R, Gödel KC, Stefik M, Wiesner U, Wilkinson TD, Baumberg JJ, Wilts BD, Steiner U, Gunkel I. Controlling Self-Assembly in Gyroid Terpolymer Films By Solvent Vapor Annealing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1802401. [PMID: 30252206 DOI: 10.1002/smll.201802401] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 07/20/2018] [Indexed: 06/08/2023]
Abstract
The efficacy with which solvent vapor annealing (SVA) can control block copolymer self-assembly has so far been demonstrated primarily for the simplest class of copolymer, the linear diblock copolymer. Adding a third distinct block-thereby creating a triblock terpolymer-not only provides convenient access to complex continuous network morphologies, particularly the gyroid phases, but also opens up a route toward the fabrication of novel nanoscale devices such as optical metamaterials. Such applications, however, require the generation of well-ordered 3D continuous networks, which in turn requires a detailed understanding of the SVA process in terpolymer network morphologies. Here, in situ grazing-incidence small-angle X-ray scattering (GISAXS) is employed to study the self-assembly of a gyroid-forming triblock terpolymer during SVA, revealing the effects of several key SVA parameters on the morphology, lateral order, and, in particular, its preservation in the dried film. The robustness of the terpolymer gyroid morphology is a key requirement for successful SVA, allowing the exploration of annealing parameters which may enable the generation of films with long-range order, e.g., for optical metamaterial applications.
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Affiliation(s)
- James A Dolan
- Department of Physics, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK
- Department of Engineering, University of Cambridge, Cambridge, CB2 1PZ, UK
- Adolphe Merkle Institute, Chemin des Verdiers, CH-1700, Fribourg, Switzerland
| | - Karolina Korzeb
- Adolphe Merkle Institute, Chemin des Verdiers, CH-1700, Fribourg, Switzerland
| | - Raphael Dehmel
- Adolphe Merkle Institute, Chemin des Verdiers, CH-1700, Fribourg, Switzerland
| | - Karl C Gödel
- Department of Physics, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK
| | - Morgan Stefik
- Department of Physics, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK
| | - Ulrich Wiesner
- Department of Chemistry and Biochemistry, University of South Carolina, 541 Main St, Horizon I BLDG, Columbia, SC, 29208, USA
| | - Timothy D Wilkinson
- Department of Materials Science and Engineering, Cornell University, 214 Bard Hall, Ithaca, NY, 14853, USA
| | - Jeremy J Baumberg
- Department of Engineering, University of Cambridge, Cambridge, CB2 1PZ, UK
| | - Bodo D Wilts
- Department of Physics, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK
| | - Ullrich Steiner
- Adolphe Merkle Institute, Chemin des Verdiers, CH-1700, Fribourg, Switzerland
| | - Ilja Gunkel
- Adolphe Merkle Institute, Chemin des Verdiers, CH-1700, Fribourg, Switzerland
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23
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Berlinghof M, Bär C, Haas D, Bertram F, Langner S, Osvet A, Chumakov A, Will J, Schindler T, Zech T, Brabec CJ, Unruh T. Flexible sample cell for real-time GISAXS, GIWAXS and XRR: design and construction. JOURNAL OF SYNCHROTRON RADIATION 2018; 25:1664-1672. [PMID: 30407176 DOI: 10.1107/s1600577518013218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 09/17/2018] [Indexed: 06/08/2023]
Abstract
Since the properties of functional materials are highly dependent on their specific structure, and since the structural changes, for example during crystallization, induced by coating and annealing processes are significant, the study of structure and its formation is of interest for fundamental and applied science. However, structure analysis is often limited to ex situ determination of final states due to the lack of specialized sample cells that enable real-time investigations. The lack of such cells is mainly due to their fairly complex design and geometrical restrictions defined by the beamline setups. To overcome this obstacle, an advanced sample cell has been designed and constructed; it combines automated doctor blading, solvent vapor annealing and sample hydration with real-time grazing-incidence wide- and small-angle scattering (GIWAXS/GISAXS) and X-ray reflectivity (XRR). The sample cell has limited spatial requirements and is therefore widely usable at beamlines and laboratory-scale instruments. The cell is fully automatized and remains portable, including the necessary electronics. In addition, the cell can be used by interested scientists in cooperation with the Institute for Crystallography and Structural Physics and is expandable with regard to optical secondary probes. Exemplary research studies are presented, in the form of coating of P3HT:PC61PM thin films, solvent vapor annealing of DRCN5T:PC71BM thin films, and hydration of supported phospholipid multilayers, to demonstrate the capabilities of the in situ cell.
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Affiliation(s)
- M Berlinghof
- Institute for Crystallography and Structural Physics (ICSP), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Staudtstraße 3, 91058 Erlangen, Germany
| | - C Bär
- Institute for Crystallography and Structural Physics (ICSP), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Staudtstraße 3, 91058 Erlangen, Germany
| | - D Haas
- DESY Photon Science, Notkestraße 85, 22607 Hamburg, Germany
| | - F Bertram
- DESY Photon Science, Notkestraße 85, 22607 Hamburg, Germany
| | - S Langner
- Institute Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Martensstraße 7, 91058 Erlangen, Germany
| | - A Osvet
- Institute Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Martensstraße 7, 91058 Erlangen, Germany
| | - A Chumakov
- The European Synchrotron Radiation Facility (ESRF), 71 Avenue des Martyrs, CS40220, 38043 Grenoble Cedex 9, France
| | - J Will
- Institute for Crystallography and Structural Physics (ICSP), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Staudtstraße 3, 91058 Erlangen, Germany
| | - T Schindler
- Institute for Crystallography and Structural Physics (ICSP), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Staudtstraße 3, 91058 Erlangen, Germany
| | - T Zech
- Institute for Crystallography and Structural Physics (ICSP), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Staudtstraße 3, 91058 Erlangen, Germany
| | - C J Brabec
- Institute Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Martensstraße 7, 91058 Erlangen, Germany
| | - T Unruh
- Institute for Crystallography and Structural Physics (ICSP), Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Staudtstraße 3, 91058 Erlangen, Germany
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24
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Hannon AF, Sunday DF, Bowen A, Khaira G, Ren J, Nealey PF, de Pablo JJ, Kline RJ. Optimizing self-consistent field theory block copolymer models with X-ray metrology. MOLECULAR SYSTEMS DESIGN & ENGINEERING 2018; 3:376-389. [PMID: 29892480 PMCID: PMC5992623 DOI: 10.1039/c7me00098g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A block copolymer self-consistent field theory (SCFT) model is used for direct analysis of experimental X-ray scattering data obtained from thin films of polystyrene-b-poly(methyl methacrylate) (PS-b-PMMA) made from directed self-assembly. In a departure from traditional approaches, which reconstruct the real space structure using simple geometric shapes, we build on recent work that has relied on physics-based models to determine shape profiles and extract thermodynamic processing information from the scattering data. More specifically, an SCFT model, coupled to a covariance matrix adaptation evolutionary strategy (CMAES), is used to find the set of simulation parameters for the model that best reproduces the scattering data. The SCFT model is detailed enough to capture the essential physics of the copolymer self-assembly, but sufficiently simple to rapidly produce structure profiles needed for interpreting the scattering data. The ability of the model to produce a matching scattering profile is assessed, and several improvements are proposed in order to more accurately recreate the experimental observations. The predicted parameters are compared to those extracted from model fits via additional experimental methods and with predicted parameters from direct particle-based simulations of the same model, which incorporate the effects of fluctuations. The Flory-Huggins interaction parameter for PS-b-PMMA is found to be in agreement with reported ranges for this material. These results serve to strengthen the case for relying on physics-based models for direct analysis of scattering and light signal based experiments.
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Affiliation(s)
- Adam F Hannon
- Materials Science and Engineering Division, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899, USA
| | - Daniel F Sunday
- Materials Science and Engineering Division, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899, USA
| | - Alec Bowen
- Institute for Molecular Engineering, University of Chicago, 5801 S Ellis Ave, Chicago, IL 60637, USA
| | - Gurdaman Khaira
- Mentor Graphics Corporation, 8005 Boeckman Rd, Wilsonville, OR 97070, USA
| | - Jiaxing Ren
- Institute for Molecular Engineering, University of Chicago, 5801 S Ellis Ave, Chicago, IL 60637, USA
| | - Paul F Nealey
- Institute for Molecular Engineering, University of Chicago, 5801 S Ellis Ave, Chicago, IL 60637, USA
- Argonne National Laboratory, 9700 Cass Ave, Lemont, IL 60439, USA
| | - Juan J de Pablo
- Institute for Molecular Engineering, University of Chicago, 5801 S Ellis Ave, Chicago, IL 60637, USA
- Argonne National Laboratory, 9700 Cass Ave, Lemont, IL 60439, USA
| | - R Joseph Kline
- Materials Science and Engineering Division, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899, USA
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25
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Abstract
Bioinspired smart asymmetric nanochannel membranes (BSANM) have been explored extensively to achieve the delicate ionic transport functions comparable to those of living organisms. The abiotic system exhibits superior stability and robustness, allowing for promising applications in many fields. In view of the abundance of research concerning BSANM in the past decade, herein, we present a systematic overview of the development of the state-of-the-art BSANM system. The discussion is focused on the construction methodologies based on raw materials with diverse dimensions (i.e. 0D, 1D, 2D, and bulk). A generic strategy for the design and construction of the BSANM system is proposed first and put into context with recent developments from homogeneous to heterogeneous nanochannel membranes. Then, the basic properties of the BSANM are introduced including selectivity, gating, and rectification, which are associated with the particular chemical and physical structures. Moreover, we summarized the practical applications of BSANM in energy conversion, biochemical sensing and other areas. In the end, some personal opinions on the future development of the BSANM are briefly illustrated. This review covers most of the related literature reported since 2010 and is intended to build up a broad and deep knowledge base that can provide a solid information source for the scientific community.
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Affiliation(s)
- Zhen Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
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26
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Fritz-Popovski G, Bodner SC, Sosada-Ludwikowska F, Maier GA, Morak R, Chitu L, Bruegemann L, Lange J, Krane HG, Paris O. A new device for high-temperature in situ GISAXS measurements. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2018; 89:035103. [PMID: 29604726 DOI: 10.1063/1.5005879] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A heating stage originally designed for diffraction experiments is implemented into a Bruker NANOSTAR instrument for in situ grazing incidence small-angle x-ray scattering experiments. A controlled atmosphere is provided by a dome separating the sample environment from the evacuated scattering instrument. This dome is double shelled in order to enable cooling water to flow through it. A mesoporous silica film templated by a self-assembled block copolymer system is investigated in situ during step-wise heating in air. The GISAXS pattern shows the structural development of the ordered lattice of parallel cylindrical pores. The deformation of the elliptical pore-cross section perpendicular to the film surface was studied with increasing temperature. Moreover, the performance of the setup was tested by controlled in situ heating of a copper surface under controlled oxygen containing atmosphere.
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Affiliation(s)
| | - Sabine C Bodner
- Materials Center Leoben Forschung GmbH, Roseggerstr. 12, 8700 Leoben, Austria
| | | | - Günther A Maier
- Materials Center Leoben Forschung GmbH, Roseggerstr. 12, 8700 Leoben, Austria
| | - Roland Morak
- Institute of Physics, Montanuniversität Leoben, Franz-Josef-Str. 18, 8700 Leoben, Austria
| | - Livia Chitu
- Bruker AXS GmbH, Östliche Rheinbrückenstraße 49, 76187 Karlsruhe, Germany
| | - Lutz Bruegemann
- Bruker AXS GmbH, Östliche Rheinbrückenstraße 49, 76187 Karlsruhe, Germany
| | - Joachim Lange
- Bruker AXS GmbH, Östliche Rheinbrückenstraße 49, 76187 Karlsruhe, Germany
| | - Hans-Georg Krane
- Bruker AXS GmbH, Östliche Rheinbrückenstraße 49, 76187 Karlsruhe, Germany
| | - Oskar Paris
- Institute of Physics, Montanuniversität Leoben, Franz-Josef-Str. 18, 8700 Leoben, Austria
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27
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Erukhimovich I, Kriksin Y, ten Brinke G. Ordering Lamellar-Forming Copolymer Thin Films in 3D Bicontinuous Morphologies via Lamellar Patterned Substrate. Macromolecules 2017. [DOI: 10.1021/acs.macromol.6b02692] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- I. Erukhimovich
- Nesmeyanov
Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia
| | - Y. Kriksin
- Keldysh
Institute of Applied Mathematics, Russian Academy of Sciences, Moscow 125047, Russia
| | - G. ten Brinke
- Department
of Polymer Chemistry and Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747
AG Groningen, The Netherlands
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28
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Posselt D, Zhang J, Smilgies DM, Berezkin AV, Potemkin II, Papadakis CM. Restructuring in block copolymer thin films: In situ GISAXS investigations during solvent vapor annealing. Prog Polym Sci 2017. [DOI: 10.1016/j.progpolymsci.2016.09.009] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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29
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Narayanan T, Wacklin H, Konovalov O, Lund R. Recent applications of synchrotron radiation and neutrons in the study of soft matter. CRYSTALLOGR REV 2017. [DOI: 10.1080/0889311x.2016.1277212] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
| | - Hanna Wacklin
- European Spallation Source ERIC, Lund, Sweden
- Physical Chemistry, Lund University, Lund, Sweden
| | | | - Reidar Lund
- Department of Chemistry, University of Oslo, Blindern, Oslo, Norway
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30
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Cetintas M, Kamperman M. Self-assembly of PS-b-PNIPAM-b-PS block copolymer thin films via selective solvent annealing. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.08.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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31
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Shelton CK, Jones RL, Dura JA, Epps TH. Tracking Solvent Distribution in Block Polymer Thin Films during Solvent Vapor Annealing with in Situ Neutron Scattering. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b02046] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Cameron K. Shelton
- Department of Chemical and Biomolecular Engineering and ‡Department of Materials Science
and Engineering, University of Delaware, Newark, Delaware 19716, United States
- Materials Science and Engineering Division and ∥NIST Center for
Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Ronald L. Jones
- Department of Chemical and Biomolecular Engineering and ‡Department of Materials Science
and Engineering, University of Delaware, Newark, Delaware 19716, United States
- Materials Science and Engineering Division and ∥NIST Center for
Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Joseph A. Dura
- Department of Chemical and Biomolecular Engineering and ‡Department of Materials Science
and Engineering, University of Delaware, Newark, Delaware 19716, United States
- Materials Science and Engineering Division and ∥NIST Center for
Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Thomas H. Epps
- Department of Chemical and Biomolecular Engineering and ‡Department of Materials Science
and Engineering, University of Delaware, Newark, Delaware 19716, United States
- Materials Science and Engineering Division and ∥NIST Center for
Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
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32
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In situ GISAXS study of a Si-containing block copolymer under solvent vapor annealing: Effects of molecular weight and solvent vapor composition. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.08.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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33
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Sakurai S. Recent developments in polymer applications of synchrotron small-angle X-ray scattering. POLYM INT 2016. [DOI: 10.1002/pi.5136] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Shinichi Sakurai
- Department of Biobased Materials Science; Kyoto Institute of Technology; Matsugasaki Sakyo-ku, Kyoto 606-8585 Japan
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34
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Gu X, Gunkel I, Hexemer A, Russell TP. Controlling Domain Spacing and Grain Size in Cylindrical Block Copolymer Thin Films by Means of Thermal and Solvent Vapor Annealing. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00429] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Xiaodan Gu
- Polymer
Science and Engineering Department, University of Massachusetts at Amherst, 120 Governors Drive, Amherst, Massachusetts 01003, United States
| | - Ilja Gunkel
- Polymer
Science and Engineering Department, University of Massachusetts at Amherst, 120 Governors Drive, Amherst, Massachusetts 01003, United States
| | | | - Thomas P. Russell
- Polymer
Science and Engineering Department, University of Massachusetts at Amherst, 120 Governors Drive, Amherst, Massachusetts 01003, United States
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