1
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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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Feng H, Dolejsi M, Zhu N, Yim S, Loo W, Ma P, Zhou C, Craig GSW, Chen W, Wan L, Ruiz R, de Pablo JJ, Rowan SJ, Nealey PF. Optimized design of block copolymers with covarying properties for nanolithography. NATURE MATERIALS 2022; 21:1426-1433. [PMID: 36357686 DOI: 10.1038/s41563-022-01392-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
The ability to impart multiple covarying properties into a single material represents a grand challenge in manufacturing. In the design of block copolymers (BCPs) for directed self-assembly and nanolithography, materials often balance orthogonal properties to meet constraints related to processing, structure and defectivity. Although iterative synthesis strategies deliver BCPs with attractive properties, identifying materials with all the required attributes has been difficult. Here we report a high-throughput synthesis and characterization platform for the discovery and optimization of BCPs with A-block-(B-random-C) architectures for lithographic patterning in semiconductor manufacturing. Starting from a parent BCP and using thiol-epoxy 'click' chemistry, we synthesize a library of BCPs that cover a large and complex parameter space. This allows us to readily identify feature-size-dependent BCP chemistries for 8-20-nm-pitch patterns. These blocks have similar surface energies for directed self-assembly, and control over the segregation strength to optimize the structure (favoured at higher segregation strengths) and defectivity (favoured at lower segregation strengths).
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Affiliation(s)
- Hongbo Feng
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Moshe Dolejsi
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Ning Zhu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, China
| | - Soonmin Yim
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Whitney Loo
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Peiyuan Ma
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Chun Zhou
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Gordon S W Craig
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Wen Chen
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Lei Wan
- Western Digital Corporation, San Jose, CA, USA
| | - Ricardo Ruiz
- The Molecular Foundry, Lawrence Berkeley National Lab, Berkeley, CA, USA
| | - Juan J de Pablo
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Stuart J Rowan
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA.
- Department of Chemistry, University of Chicago, Chicago, IL, USA.
| | - Paul F Nealey
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA.
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3
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Lai H, Zhang X, Huang G, Liu Y, Li W, Ji S. Directed self-assembly of poly(styrene-b-vinyl acetate) block copolymers on chemical patterns for sub-10 nm nanopatterning via thermal annealing. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125277] [Citation(s) in RCA: 1] [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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4
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Optimizing Chain Topology of Bottle Brush Copolymer for Promoting the Disorder-to-Order Transition. Int J Mol Sci 2022; 23:ijms23105374. [PMID: 35628178 PMCID: PMC9141188 DOI: 10.3390/ijms23105374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/09/2022] [Accepted: 05/09/2022] [Indexed: 01/27/2023] Open
Abstract
The order-disorder transitions (ODT) of core-shell bottle brush copolymer and its structural isomers were investigated by dissipative particle dynamics simulations and theoretically by random phase approximation. Introducing a chain topology parameter λ which parametrizes linking points between M diblock chains each with N monomers, the degree of incompatibility at ODT ((χN)ODT; χ being the Flory-Huggins interaction parameter between constituent monomers) was predicted as a function of chain topology parameter (λ) and the number of linked diblock chains per bottle brush copolymer (M). It was found that there exists an optimal chain topology about λ at which (χN)ODT gets a minimum while the domain spacing remains nearly unchanged. The prediction provides a theoretical guideline for designing an optimal copolymer architecture capable of forming sub-10 nm periodic structures even with non-high χ components.
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5
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Tian T, Wei D, Ge L, Wang Z, Chen C, Guo R. Hierarchical self-assemblies of carnosine asymmetrically functioned perylene diimide with high optoelectronic response. J Colloid Interface Sci 2021; 601:746-757. [PMID: 34098449 DOI: 10.1016/j.jcis.2021.05.168] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 01/29/2023]
Abstract
HYPOTHESIS Taking advantage of photoinduced electron transfer, one dimensional organic nanomaterials with tunable donor-acceptor (D-A) interface provide a promising avenue to get high optoelectric properties. However, strong charge transfer interaction between D and A segments impedes the formation of long-range ordered structure, which limits the charge transport through efficient π electronic delocalization. Incorporation of chiral peptide offering various hydrogen bonding (H-bonding) along with asymmetric molecular structure enables substantially controllable D-A interface and tunable organization of the π-conjugates. EXPERIMENTS A new amphiphilic perylene diimide (CUPDI) with PDI as an acceptor is designed and synthesized. A polar chiral dipeptide composed of β-alanine and l-histidine with the imidazole ring as the donor i.e., l-carnosine, is incorporated at one of imides. Transition of various supramolecular assemblies of CUPDI is realized by changing CUPDI concentration and solvents. The photoelectronic properties of the assemblies are investigated as well as their association with the microstructure of the nanomaterials. FINDINGS Delicately tuned hydrogen bonds between the peptides and π-π interaction between PDI cores in different solvents enable the formation of assemblies with multifarious microstructures such as small spherical aggregates, nanowires with uniform diameter, nanobelts, and irregular aggregates. The maximum amount of photocurrent enhancement is up to 1.08 µA observed for the nanobelt, four times higher than that of irregular aggregates. However, the nanowires show the best performance of 7.1-fold in response to ammonia. Thus, the photoelectric performances are strongly dependent on the the molecular arrangement within the nanomaterials.
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Affiliation(s)
- Tian Tian
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Duo Wei
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, China; Testing Center, Yangzhou University, Yangzhou 225009, China.
| | - Lingling Ge
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, China
| | - Zhifeng Wang
- Testing Center, Yangzhou University, Yangzhou 225009, China
| | - Chong Chen
- Testing Center, Yangzhou University, Yangzhou 225009, China
| | - Rong Guo
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, China.
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6
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Altay E, Jang YJ, Kua XQ, Hillmyer MA. Synthesis, Microstructure, and Properties of High-Molar-Mass Polyglycolide Copolymers with Isolated Methyl Defects. Biomacromolecules 2021; 22:2532-2543. [PMID: 33970613 DOI: 10.1021/acs.biomac.1c00269] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An efficient, fast, and reliable method for the synthesis of high-molar-mass polyglycolide (PGA) in bulk using bismuth (III) subsalicylate through ring-opening transesterification polymerization is described. The difference between the crystallization (Tc ≈ 180 °C)/degradation (Td ≈ 245 °C) temperatures and the melting temperature (Tm ≈ 222 °C) significantly affects the ability to melt-process PGA homopolymer. To expand these windows, the effect of copolymer microstructure differences through incorporation of methyl groups in pairs using lactide or isolated using methyl glycolide (≤10% methyl) as comonomers on the thermal, mechanical, and barrier properties were studied. Structures of copolymers were characterized by nuclear magnetic resonance (1H and 13C NMR) spectroscopies. Films of copolymers were obtained, and the microstructural and physical properties were analyzed. PGA homopolymers exhibited an approximately 30 °C difference between Tm and Tc, which increased to 68 °C by incorporating up to 10% methyl groups in the chain while maintaining overall thermal stability. Oxygen and water vapor permeation values of solvent-cast nonoriented films of PGA homopolymers were found to be 4.6 cc·mil·m-2·d-1·atm-1 and 2.6 g·mil·m-2·d-1·atm-1, respectively. Different methyl distributions in the copolymer sequence, provided through either lactide or methyl glycolide, affected the resulting gas barrier properties. At 10% methyl insertion, using lactide as a comonomer significantly increased both O2 (32 cc·mil·m-2·d-1·atm-1) and water vapor (12 g·mil·m-2·d-1·atm-1) permeation. However, when methyl glycolide was utilized for methyl insertion at 10% Me content, excellent barrier properties for both O2 (2.9 cc·mil·m-2·d-1·atm-1) and water vapor (1.0 g·mil·m-2·d-1·atm-1) were achieved.
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Affiliation(s)
- Esra Altay
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
| | - Yoon-Jung Jang
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
| | - Xiang Qi Kua
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
| | - Marc A Hillmyer
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
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7
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Lu Y, Swisher JH, Meyer TY, Coates GW. Chirality-Directed Regioselectivity: An Approach for the Synthesis of Alternating Poly(Lactic-co-Glycolic Acid). J Am Chem Soc 2021; 143:4119-4124. [DOI: 10.1021/jacs.1c00248] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yiye Lu
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Jordan H. Swisher
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260-8929, United States
| | - Tara Y. Meyer
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260-8929, United States
| | - Geoffrey W. Coates
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
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8
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Uchida K, Mita K, Yamamoto S, Tanaka K. Local Orientation of Polystyrene at the Interface with Poly(methyl methacrylate) in Block Copolymer. ACS Macro Lett 2020; 9:1576-1581. [PMID: 35617059 DOI: 10.1021/acsmacrolett.0c00638] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The local conformation of polystyrene (PS) at the phase-separated lamellar interface with poly(methyl methacrylate) (PMMA) in their diblock copolymer (BCP) was examined by sum-frequency generation spectroscopy in conjunction with a full-atomistic molecular dynamics simulation. While PS phenyl groups of BCP were oriented in the interfacial region, they were random in the bulk. Such an interfacial orientation of phenyl groups was not clear for the corresponding blend of PS and PMMA. The PS backbone of BCP was in-plane oriented and folded near to the chemical junction point located in the interfacial region and the orientation became random at several nanometers distant. No evidence for the chain folding at the interface was found for the blend system.
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Affiliation(s)
- Kiminori Uchida
- Mitsui Chemicals Inc., Chiba 299-0265, Japan
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
| | - Kazuki Mita
- Mitsui Chemicals Inc., Chiba 299-0265, Japan
| | - Satoru Yamamoto
- Center for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Keiji Tanaka
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
- Center for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka 819-0395, Japan
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Fukuoka 819-0395, Japan
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9
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Matsunaga K, Kukai W, Ishizaki M, Kurihara M, Yamamoto S, Mitsuishi M, Yabu H, Nagano S, Matsui J. Formation of Perpendicularly Aligned Sub-10 nm Nanocylinders in Poly( N-dodecylacrylamide- b-ethylene glycol) Block Copolymer Films by Hierarchical Phase Separation. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00838] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
| | | | | | | | | | | | | | - Shusaku Nagano
- Nagoya University Venture Business Laboratory, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
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Qu T, Guan S, Zheng X, Chen A. Perpendicularly aligned nanodomains on versatile substrates via rapid thermal annealing assisted by liquid crystalline ordering in block copolymer films. NANOSCALE ADVANCES 2020; 2:1523-1530. [PMID: 36132323 PMCID: PMC9418532 DOI: 10.1039/d0na00057d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 03/03/2020] [Indexed: 06/15/2023]
Abstract
The highly ordered perpendicularly aligned cylindrical and lamellar microdomains within block copolymer (BCP) films have important applications in diverse fields. However, the fast normal orientation of self-assembled nanostructures on arbitrary substrates without tedious pre- and postprocessing has been a challenging issue in manufacturing miniaturized devices. Here, we outline the potential for extending the hierarchical self-assembly within azobenzene-containing PS-b-PMA(Az) films to inherently assist in the formation of normally aligned domains using a rapid thermal annealing process (140 °C for 5 min). Liquid crystalline (LC) mesogens in PS-b-PMA(Az) films self-assemble to form a parallelly aligned sematic phase after thermal annealing, as confirmed by grazing-incidence small-angle X-ray scattering (GISAXS), wide-angle X-ray diffraction (WAXD) and ultraviolet-visible (UV-vis) spectra. This sub-phase contributes to broadening of the PS-cylinder-phase window (0.083 ≤ f PS < 0.49) and ∼12 nm PS cylinder structures. Perpendicular cylinders or lamellae are observed on various substrates, such as silicon wafers, flexible polyethylene terephthalate (PET) sheets and conductive aluminum foils. Additionally, the good reactive ion etching (RIE) rate difference between the two blocks makes these BCPs more attractive for advancing the field of BCP lithographic applications for fabricating flexible microelectronic devices.
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Affiliation(s)
- Ting Qu
- School of Materials Science and Engineering, Beihang University Beijing 100191 P. R. China
| | - Song Guan
- School of Materials Science and Engineering, Beihang University Beijing 100191 P. R. China
| | - Xiaoxiong Zheng
- School of Materials Science and Engineering, Beihang University Beijing 100191 P. R. China
| | - Aihua Chen
- School of Materials Science and Engineering, Beihang University Beijing 100191 P. R. China
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11
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Cao H, Li X, Liu Y, Deng H. Synthesis of Liquid Crystalline Block Copolymers Self-assembled into Sub-5 nm Microdomains. J PHOTOPOLYM SCI TEC 2019. [DOI: 10.2494/photopolymer.32.413] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hui Cao
- Department of Macromolecular Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University
| | - Xuemiao Li
- Department of Macromolecular Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University
| | - Yuyun Liu
- Department of Macromolecular Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University
| | - Hai Deng
- Department of Macromolecular Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University
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12
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Wang C, Li X, Deng H. Synthesis of a Fluoromethacrylate Hydroxystyrene Block Copolymer Capable of Rapidly Forming Sub-5 nm Domains at Low Temperatures. ACS Macro Lett 2019; 8:368-373. [PMID: 35651139 DOI: 10.1021/acsmacrolett.9b00178] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of poly(pentadecafluorooctyl methacrylate)-block-polyhydroxystyrene (PPDFMA-b-PHS) block copolymers (BCPs) were synthesized via reversible addition-fragmentation chain-transfer polymerization and subsequent deprotection. Because of the high incompatibility between hydroxyl groups and fluoro groups, the interaction parameter (χ) of these BCPs, determined by temperature-resolved small-angle X-ray scattering (SAXS), was extremely high. The χ value of PPDFMA-b-PHS was 0.48 at 150 °C, 16× larger than the χ of polystyrene-block-poly(methyl methacrylate). The microphase behavior of PPDFMA-b-PHS with various volume fractions of PHS block was determined by SAXS, yielding ordered lamellar morphologies with different sizes of domain spacing (d), and further confirmed by transmission electron microscopy. The minimum d obtained was 9.8 nm annealed at a mild temperature for a short time (80 °C for 1 min) by SAXS analysis, indicating the width of each lamellar domains was <5 nm.
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Affiliation(s)
- Chenxu Wang
- Department of Macromolecular Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Xuemiao Li
- Department of Macromolecular Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Hai Deng
- Department of Macromolecular Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
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13
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Pang Y, Jin X, Huang G, Wan L, Ji S. Directed Self-Assembly of Styrene-Methyl Acrylate Block Copolymers with Sub-7 nm Features via Thermal Annealing. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00174] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Yuanyuan Pang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
| | - Xiaosa Jin
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
| | - Guangcheng Huang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
| | - Lei Wan
- HGST, A Western Digital Company, San Jose Research Center, 5601 Great Oaks Parkway, San Jose, California 95119, United States
| | - Shengxiang Ji
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
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14
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Ge H, Zhang F, Huang H, He T. Interplay between Stereocomplexation and Microphase Separation in PS-b-PLLA-b-PDLA Triblock Copolymers. Macromolecules 2019. [DOI: 10.1021/acs.macromol.8b02627] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Huan Ge
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
- University
of
Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Fajun Zhang
- Institut für Angewandte Physik, Universität Tübingen, Auf der Morgenstelle 10, 72076 Tübingen, Germany
| | - Haiying Huang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
- University
of
Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Tianbai He
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
- University
of
Chinese Academy of Sciences, Beijing 100049, P. R. China
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15
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Kim KH, Park J, Choe Y, Huh J, Bang J. The effect of chain architecture on the phase behavior of A4B4 miktoarm block copolymers. Polym Chem 2019. [DOI: 10.1039/c9py00162j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Well-defined miktoarm (polystyrene)4-(polylactic acid)4 ((PS)4-(PLA)4) block copolymers were synthesized and their phase behaviors were compared with linear PS-b-PLA block copolymers, in which the miktoarm architecture enhanced the phase segregation.
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Affiliation(s)
- Ki Hyun Kim
- Department of Chemical and Biological Engineering
- Korea University
- Seoul
- Republic of Korea
| | - Jihoon Park
- Department of Chemical and Biological Engineering
- Korea University
- Seoul
- Republic of Korea
| | - Youngson Choe
- Department of Chemical Engineering
- Pusan National University
- Pusan 46241
- Republic of Korea
| | - June Huh
- Department of Chemical and Biological Engineering
- Korea University
- Seoul
- Republic of Korea
| | - Joona Bang
- Department of Chemical and Biological Engineering
- Korea University
- Seoul
- Republic of Korea
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16
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Wang HS, Kim KH, Bang J. Thermal Approaches to Perpendicular Block Copolymer Microdomains in Thin Films: A Review and Appraisal. Macromol Rapid Commun 2018; 40:e1800728. [PMID: 30500096 DOI: 10.1002/marc.201800728] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 11/17/2018] [Indexed: 01/20/2023]
Abstract
Block copolymer thin films are highly versatile and accessible materials capable of producing nanofeatures in the size regime of a few to hundreds of nanometers by a simple spin-coating-and-anneal process. Unfortunately, this simple protocol usually leads to parallel microdomains, which limits the applicability of such nanofeatures. A great deal of effort has been put into achieving perpendicular microdomains, but those that incorporate thermal annealing are arguably the most practical and reproducible in the lab and industry. This review discusses the recent ongoing efforts on various thermal approaches to achieving perpendicular microdomains in order to provide the readers with a toolbox to work with.
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Affiliation(s)
- Hyun Suk Wang
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Ki Hyun Kim
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Joona Bang
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
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17
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Kayser F, Fleury G, Thongkham S, Navarro C, Martin-Vaca B, Bourissou D. Microphase Separation of Polybutyrolactone-Based Block Copolymers with Sub-20 nm Domains. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00739] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Franck Kayser
- Université de Toulouse,
UPS, 118 route de Narbonne, F-31062 Toulouse, France
- UMR5069, CNRS, LHFA, F-31062 Toulouse, France
| | - Guillaume Fleury
- Laboratoire de Chimie des Polymères Organiques (LCPO), CNRS UMR 5629, IPB-ENSCBP, Université de Bordeaux, 16 Avenue Pey-Berland, Cedex F-33607 Pessac, France
| | - Somprasong Thongkham
- Université de Toulouse,
UPS, 118 route de Narbonne, F-31062 Toulouse, France
- UMR5069, CNRS, LHFA, F-31062 Toulouse, France
| | - Christophe Navarro
- ARKEMA, Groupement de Recherches
de Lacq, RN 117, BP 34, Cedex F-64170 Lacq, France
| | - Blanca Martin-Vaca
- Université de Toulouse,
UPS, 118 route de Narbonne, F-31062 Toulouse, France
- UMR5069, CNRS, LHFA, F-31062 Toulouse, France
| | - Didier Bourissou
- Université de Toulouse,
UPS, 118 route de Narbonne, F-31062 Toulouse, France
- UMR5069, CNRS, LHFA, F-31062 Toulouse, France
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