1
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Mattsson I, Majoinen J, Lahtinen M, Sandberg T, Fogde A, Saloranta-Simell T, Rojas OJ, Ikkala O, Leino R. Stereochemistry-dependent thermotropic liquid crystalline phases of monosaccharide-based amphiphiles. SOFT MATTER 2023; 19:8360-8377. [PMID: 37873653 PMCID: PMC10630951 DOI: 10.1039/d3sm00939d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/15/2023] [Indexed: 10/25/2023]
Abstract
Conformational rigidity controls the bulk self-assembly and liquid crystallinity from amphiphilic block molecules to copolymers. The effects of block stereochemistry on the self-assembly have, however, been less explored. Here, we have investigated amphiphilic block molecules involving eight open-chain monosaccharide-based polyol units possessing different stereochemistries, derived from D-glucose, D-galactose, L-arabinose, D-mannose and L-rhamnose (allylated monosaccharides t-Glc*, e-Glc*, t-Gal*, e-Gal*, t-Ara*, e-Ara*, t-Man*, and t-Rha*), end-functionalized with repulsive tetradecyl alkyl chain blocks to form well-defined amphiphiles with block molecule structures. All compounds studied showed low temperature crystalline phases due to polyol crystallization, and smectic (lamellar) and isotropic phases upon heating in bulk. Hexagonal cylindrical phase was additionally observed for the composition involving t-Man*. Cubic phases were observed for e-Glc*, e-Gal*, e-Ara*, and t-Rha* derived compounds. Therein, the rich array of WAXS-reflections suggested that the crystalline polyol domains are not ultra-confined in spheres as in classic cubic phases but instead show network-like phase continuity, which is rare in bulk liquid crystals. Importantly, the transition temperatures of the self-assemblies were observed to depend strongly on the polyol stereochemistry. The findings underpin that the stereochemistry in carbohydrate-based assemblies involves complexity, which is an important parameter to be considered in material design when developing self-assemblies for different functions.
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Affiliation(s)
- Ida Mattsson
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500, Finland.
| | - Johanna Majoinen
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
- VTT Technical Research Centre of Finland Ltd, FI-02150, Finland.
| | - Manu Lahtinen
- Department of Chemistry, University of Jyväskylä, FI-40014, Finland
| | - Thomas Sandberg
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500, Finland.
| | - Anna Fogde
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500, Finland.
| | - Tiina Saloranta-Simell
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500, Finland.
| | - Orlando J Rojas
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-00076 Aalto, Finland
- Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Chemistry and Department of Wood Science, University of British Columbia, 2360 East Mall, Vancouver, BC V6T 1Z4, Canada
| | - Olli Ikkala
- Department of Applied Physics, Aalto University, Espoo FI-00076, Finland
| | - Reko Leino
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500, Finland.
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2
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Chen K, Chen CY, Chen HL, Komaki R, Kawakami N, Isono T, Satoh T, Hung DY, Liu YL. Self-Assembly Behavior of Sugar-Based Block Copolymers in the Complex Phase Window Modulated by Molecular Architecture and Configuration. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Kai Chen
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chun-Yu Chen
- Experimental Facility Division, National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
| | - Hsin-Lung Chen
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Ryoya Komaki
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Nao Kawakami
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Takuya Isono
- Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Toshifumi Satoh
- Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Du-Yuan Hung
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Ying-Ling Liu
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
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3
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Mishra AK, Lee J, Kang S, Kim E, Choi C, Kim JK. Gallol-Based Block Copolymer with a High Flory–Huggins Interaction Parameter for Next-Generation Lithography. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Avnish Kumar Mishra
- National Creative Research Initiative Center for Hybrid Nano Materials By High-level Architectural Design of Block Copolymer, Department of Chemical Engineering, Pohang University of Science and Technology, Pohang37673, Republic of Korea
| | - Jaeyong Lee
- National Creative Research Initiative Center for Hybrid Nano Materials By High-level Architectural Design of Block Copolymer, Department of Chemical Engineering, Pohang University of Science and Technology, Pohang37673, Republic of Korea
| | - Sukwon Kang
- National Creative Research Initiative Center for Hybrid Nano Materials By High-level Architectural Design of Block Copolymer, Department of Chemical Engineering, Pohang University of Science and Technology, Pohang37673, Republic of Korea
| | - Eunseol Kim
- National Creative Research Initiative Center for Hybrid Nano Materials By High-level Architectural Design of Block Copolymer, Department of Chemical Engineering, Pohang University of Science and Technology, Pohang37673, Republic of Korea
| | - Chungryong Choi
- National Creative Research Initiative Center for Hybrid Nano Materials By High-level Architectural Design of Block Copolymer, Department of Chemical Engineering, Pohang University of Science and Technology, Pohang37673, Republic of Korea
| | - Jin Kon Kim
- National Creative Research Initiative Center for Hybrid Nano Materials By High-level Architectural Design of Block Copolymer, Department of Chemical Engineering, Pohang University of Science and Technology, Pohang37673, Republic of Korea
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4
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Sub-10 nm Thin Film Feature Sizes of Chemically Tailored Poly(styrene-block-methyl methacrylate) with Randomly Distributed Fluorine Units. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2853-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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5
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Handrea-Dragan IM, Botiz I, Tatar AS, Boca S. Patterning at the micro/nano-scale: Polymeric scaffolds for medical diagnostic and cell-surface interaction applications. Colloids Surf B Biointerfaces 2022; 218:112730. [DOI: 10.1016/j.colsurfb.2022.112730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 07/15/2022] [Accepted: 07/25/2022] [Indexed: 11/27/2022]
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6
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Shen Z, Luo K, Park SJ, Li D, Mahanthappa MK, Bates FS, Dorfman KD, Lodge TP, Siepmann JI. Stabilizing a Double Gyroid Network Phase with 2 nm Feature Size by Blending of Lamellar and Cylindrical Forming Block Oligomers. JACS AU 2022; 2:1405-1416. [PMID: 35783180 PMCID: PMC9241014 DOI: 10.1021/jacsau.2c00101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/20/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Molecular dynamics simulations are used to study binary blends of an AB-type diblock and an AB2-type miktoarm triblock amphiphiles (also known as high-χ block oligomers) consisting of sugar-based (A) and hydrocarbon (B) blocks. In their pure form, the AB diblock and AB2 triblock amphiphiles self-assemble into ordered lamellar (LAM) and cylindrical (CYL) structures, respectively. At intermediate compositions, however, the AB2-rich blend (0.2 ≤ x AB ≤ 0.4) forms a double gyroid (DG) network, whereas perforated lamellae (PL) are observed in the AB-rich blend (0.5 ≤ x AB ≤ 0.8). All of the ordered mesophases present domain pitches under 3 nm, with 1 nm feature sizes for the polar domains. Structural analyses reveal that the nonuniform interfacial curvatures of DG and PL structures are supported by local composition variations of the LAM- and CYL-forming amphiphiles. Self-consistent mean field theory calculations for blends of related AB and AB2 block polymers also show the DG network at intermediate compositions, when A is the minority block, but PL is not stable. This work provides molecular-level insights into how blending of shape-filling molecular architectures enables network phase formation with extremely small feature sizes over a wide composition range.
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Affiliation(s)
- Zhengyuan Shen
- Department
of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
- Chemical
Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Ke Luo
- Chemical
Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
- Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - So Jung Park
- Department
of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
| | - Daoyuan Li
- Department
of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
- Chemical
Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Mahesh K. Mahanthappa
- Department
of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
| | - Frank S. Bates
- Department
of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
| | - Kevin D. Dorfman
- Department
of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
| | - Timothy P. Lodge
- Department
of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
- Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - J. Ilja Siepmann
- Department
of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
- Chemical
Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
- Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
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7
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Shen Z, Sun Y, Lodge TP, Siepmann JI. Development of a PointNet for Detecting Morphologies of Self-Assembled Block Oligomers in Atomistic Simulations. J Phys Chem B 2021; 125:5275-5284. [PMID: 33989001 DOI: 10.1021/acs.jpcb.1c02389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Molecular simulations with atomistic or coarse-grained force fields are a powerful approach for understanding and predicting the self-assembly phase behavior of complex molecules. Amphiphiles, block oligomers, and block polymers can form mesophases with different ordered morphologies describing the spatial distribution of the blocks, but entirely amorphous nature for local packing and chain conformation. Screening block oligomer chemistry and architecture through molecular simulations to find promising candidates for functional materials is aided by effective and straightforward morphology identification techniques. Capturing 3-dimensional periodic structures, such as ordered network morphologies, is hampered by the requirement that the number of molecules in the simulated system and the shape of the periodic simulation box need to be commensurate with those of the resulting network phase. Common strategies for structure identification include structure factors and order parameters, but these fail to identify imperfect structures in simulations with incorrect system sizes. Building upon pioneering work by DeFever et al. [Chem. Sci. 2019, 10, 7503-7515] who implemented a PointNet (i.e., a neural network designed for computer vision applications using point clouds) to detect local structure in simulations of single-bead particles and water molecules, we present a PointNet for detection of nonlocal ordered morphologies of complex block oligomers. Our PointNet was trained using atomic coordinates from molecular dynamics simulation trajectories and synthetic point clouds for ordered network morphologies that were absent from previous simulations. In contrast to prior work on simple molecules, we observe that large point clouds with 1000 or more points are needed for the more complex block oligomers. The trained PointNet model achieves an accuracy as high as 0.99 for globally ordered morphologies formed by linear diblock, linear triblock, and 3-arm and 4-arm star-block oligomers, and it also allows for the discovery of emerging ordered patterns from nonequilibrium systems.
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Affiliation(s)
- Zhengyuan Shen
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States.,Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States.,Chemical Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Yangzesheng Sun
- Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States.,Chemical Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
| | - Timothy P Lodge
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
| | - J Ilja Siepmann
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States.,Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States.,Chemical Theory Center, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455-0431, United States
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8
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Nowak SR, Lachmayr KK, Yager KG, Sita LR. Stable Thermotropic 3D and 2D Double Gyroid Nanostructures with Sub‐2‐nm Feature Size from Scalable Sugar–Polyolefin Conjugates. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016384] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Samantha R. Nowak
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA
| | - Kätchen K. Lachmayr
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA
| | - Kevin G. Yager
- Center for Functional Nanomaterials Brookhaven National Laboratory Upton NY 11973 USA
| | - Lawrence R. Sita
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA
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9
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Nowak SR, Lachmayr KK, Yager KG, Sita LR. Stable Thermotropic 3D and 2D Double Gyroid Nanostructures with Sub‐2‐nm Feature Size from Scalable Sugar–Polyolefin Conjugates. Angew Chem Int Ed Engl 2021; 60:8710-8716. [DOI: 10.1002/anie.202016384] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Indexed: 01/15/2023]
Affiliation(s)
- Samantha R. Nowak
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA
| | - Kätchen K. Lachmayr
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA
| | - Kevin G. Yager
- Center for Functional Nanomaterials Brookhaven National Laboratory Upton NY 11973 USA
| | - Lawrence R. Sita
- Department of Chemistry and Biochemistry University of Maryland College Park MD 20742 USA
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10
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Handrea-Dragan M, Botiz I. Multifunctional Structured Platforms: From Patterning of Polymer-Based Films to Their Subsequent Filling with Various Nanomaterials. Polymers (Basel) 2021; 13:445. [PMID: 33573248 PMCID: PMC7866561 DOI: 10.3390/polym13030445] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 12/20/2022] Open
Abstract
There is an astonishing number of optoelectronic, photonic, biological, sensing, or storage media devices, just to name a few, that rely on a variety of extraordinary periodic surface relief miniaturized patterns fabricated on polymer-covered rigid or flexible substrates. Even more extraordinary is that these surface relief patterns can be further filled, in a more or less ordered fashion, with various functional nanomaterials and thus can lead to the realization of more complex structured architectures. These architectures can serve as multifunctional platforms for the design and the development of a multitude of novel, better performing nanotechnological applications. In this work, we aim to provide an extensive overview on how multifunctional structured platforms can be fabricated by outlining not only the main polymer patterning methodologies but also by emphasizing various deposition methods that can guide different structures of functional nanomaterials into periodic surface relief patterns. Our aim is to provide the readers with a toolbox of the most suitable patterning and deposition methodologies that could be easily identified and further combined when the fabrication of novel structured platforms exhibiting interesting properties is targeted.
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Affiliation(s)
- Madalina Handrea-Dragan
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Str. 400271 Cluj-Napoca, Romania;
- Faculty of Physics, Babes-Bolyai University, 1 M. Kogalniceanu Str. 400084 Cluj-Napoca, Romania
| | - Ioan Botiz
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Str. 400271 Cluj-Napoca, Romania;
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11
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Hampu N, Werber JR, Chan WY, Feinberg EC, Hillmyer MA. Next-Generation Ultrafiltration Membranes Enabled by Block Polymers. ACS NANO 2020; 14:16446-16471. [PMID: 33315381 DOI: 10.1021/acsnano.0c07883] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Reliable and equitable access to safe drinking water is a major and growing challenge worldwide. Membrane separations represent one of the most promising strategies for the energy-efficient purification of potential water sources. In particular, porous membranes are used for the ultrafiltration (UF) of water to remove contaminants with nanometric sizes. However, despite exhibiting excellent water permeability and solution processability, existing UF membranes contain a broad distribution of pore sizes that limit their size selectivity. To maximize the potential utility of UF membranes and allow for precise separations, improvements in the size selectivity of these systems must be achieved. Block polymers represent a potentially transformative solution, as these materials self-assemble into well-defined domains of uniform size. Several different strategies have been reported for integrating block polymers into UF membranes, and each strategy has its own set of materials and processing considerations to ensure that uniform and continuous pores are generated. This Review aims to summarize and critically analyze the chemistries, processing techniques, and properties required for the most common methods for producing porous membranes from block polymers, with a particular focus on the fundamental mechanisms underlying block polymer self-assembly and pore formation. Critical structure-property-performance metrics will be analyzed for block polymer UF membranes to understand how these membranes compare to commercial UF membranes and to identify key research areas for continued improvements. This Review is intended to inform readers of the capabilities and current challenges of block polymer UF membranes, while stimulating critical thought on strategies to advance these technologies.
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Affiliation(s)
- Nicholas Hampu
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jay R Werber
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Wui Yarn Chan
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Elizabeth C Feinberg
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Marc A Hillmyer
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
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12
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Rapid access to discrete and monodisperse block co-oligomers from sugar and terpenoid toward ultrasmall periodic nanostructures. Commun Chem 2020; 3:135. [PMID: 36703322 PMCID: PMC9814839 DOI: 10.1038/s42004-020-00385-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 09/14/2020] [Indexed: 01/29/2023] Open
Abstract
Discrete block co-oligomers (BCOs) are gaining considerable attention due to their potential to form highly ordered ultrasmall nanostructures suitable for lithographic templates. However, laborious synthetic routes present a major hurdle to the practical application. Herein, we report a readily available discrete BCO system that is capable of forming various self-assembled nanostructures with ultrasmall periodicity. Click coupling of propargyl-functionalized sugars (containing 1-7 glucose units) and azido-functionalized terpenoids (containing 3, 4, and 9 isoprene units) afforded the discrete and monodisperse BCOs with a desired total degree of polymerization and block ratio. These BCOs microphase separated into lamellar, gyroid, and cylindrical morphologies with the domain spacing (d) of 4.2-7.5 nm. Considering easy synthesis and rich phase behavior, presented BCO systems could be highly promising for application to diverse ~4-nm nanofabrications.
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13
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Sweet Pluronic poly(propylene oxide)-b-oligosaccharide block copolymer systems: Toward sub-4 nm thin-film nanopattern resolution. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109831] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Shen Z, Chen JL, Vernadskaia V, Ertem SP, Mahanthappa MK, Hillmyer MA, Reineke TM, Lodge TP, Siepmann JI. From Order to Disorder: Computational Design of Triblock Amphiphiles with 1 nm Domains. J Am Chem Soc 2020; 142:9352-9362. [PMID: 32392052 DOI: 10.1021/jacs.0c01829] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Using molecular dynamics simulations and transferable force fields, we designed a series of symmetric triblock amphiphiles (or high-χ block oligomers) comprising incompatible sugar-based (A) and hydrocarbon (B) blocks that can self-assemble into ordered nanostructures with sub-1 nm domains and full domain pitches as small as 1.2 nm. Depending on the chain length and block sequence, the ordered morphologies include lamellae, perforated lamellae, and hexagonally perforated lamellae. The self-assembly of these amphiphiles bears some similarities, but also some differences, to those formed by symmetric triblock polymers. In lamellae formed by ABA amphiphiles, the fraction of B blocks "bridging" adjacent polar domains is nearly unity, much higher than that found for symmetric triblock polymers, and the bridging molecules adopt elongated conformations. In contrast, "looping" conformations are prevalent for A blocks of BAB amphiphiles. Above the order-disorder transition temperature, the disordered states are locally well-segregated yet the B blocks of ABA amphiphiles are significantly less stretched than in the lamellar phases. Analysis of both hydrogen-bonded and nonpolar clusters reveals the bicontinuous nature of these network phases. This simulation study furnishes detailed insights into structure-property relationships for mesophase formation on the 1 nm length scale that will aid further miniaturization for numerous applications.
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Affiliation(s)
- Zhengyuan Shen
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States.,Chemical Theory Center, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
| | - Jingyi L Chen
- Chemical Theory Center, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States.,Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
| | - Viktoriia Vernadskaia
- Chemical Theory Center, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
| | - S Piril Ertem
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
| | - Mahesh K Mahanthappa
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States
| | - Marc A Hillmyer
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
| | - Theresa M Reineke
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
| | - Timothy P Lodge
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States.,Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
| | - J Ilja Siepmann
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, Minnesota 55455-0132, United States.,Chemical Theory Center, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States.,Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
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15
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Ji S, Zhang R, Zhang L, Yuan Y, Lin J. Self‐assembled nanostructures of diblock copolymer films under homopolymer topcoats. POLYM INT 2020. [DOI: 10.1002/pi.6009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Siyu Ji
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Materials Science and Engineering, East China University of Science and Technology Shanghai China
| | - Runrong Zhang
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Materials Science and Engineering, East China University of Science and Technology Shanghai China
| | - Liangshun Zhang
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Materials Science and Engineering, East China University of Science and Technology Shanghai China
| | - Yuan Yuan
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Materials Science and Engineering, East China University of Science and Technology Shanghai China
| | - Jiaping Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Materials Science and Engineering, East China University of Science and Technology Shanghai China
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16
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Mattsson I, Sitdikov R, Gunell ACM, Lahtinen M, Saloranta-Simell T, Leino R. Improved synthesis and application of conjugation-amenable polyols from d-mannose. RSC Adv 2020; 10:3960-3966. [PMID: 35492635 PMCID: PMC9048844 DOI: 10.1039/c9ra10378c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 01/14/2020] [Indexed: 01/08/2023] Open
Abstract
A series of polyhydroxyl sulfides and triazoles was prepared by reacting allyl and propargyl d-mannose derivatives with selected thiols and azides in thiol–ene and Huisgen click reactions. Conformational analysis by NMR spectroscopy proved that the intrinsic rigidity and linear conformation of the mannose derived polyol backbone is retained in the final click products in solution. Single crystal X-ray structure determination of one of the compounds prepared further verified that the linear conformation of the polyol segment is also retained in the solid state. In addition, an improved method for direct Barbier-type propargylation of unprotected d-mannose is reported. The new reaction protocol, involving tin-mediated propargylation in an acetonitrile-water mixture, provides access to multigram quantities of the desired, valuable alkyne polyol without relying on protecting group manipulations or chromatographic purification. An improved method for the propargylation of d-mannose and application of the rod-like polyol and its allylated analogue in click reactions is described.![]()
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Affiliation(s)
- Ida Mattsson
- Laboratory of Molecular Science and Technology
- Johan Gadolin Process Chemistry Centre
- Åbo Akademi University
- FI-20500 Turku
- Finland
| | - Ruzal Sitdikov
- Laboratory of Molecular Science and Technology
- Johan Gadolin Process Chemistry Centre
- Åbo Akademi University
- FI-20500 Turku
- Finland
| | - Andreas C. M. Gunell
- Laboratory of Molecular Science and Technology
- Johan Gadolin Process Chemistry Centre
- Åbo Akademi University
- FI-20500 Turku
- Finland
| | - Manu Lahtinen
- Department of Chemistry
- University of Jyväskylä
- FI-40014 Jyväskylä
- Finland
| | - Tiina Saloranta-Simell
- Laboratory of Molecular Science and Technology
- Johan Gadolin Process Chemistry Centre
- Åbo Akademi University
- FI-20500 Turku
- Finland
| | - Reko Leino
- Laboratory of Molecular Science and Technology
- Johan Gadolin Process Chemistry Centre
- Åbo Akademi University
- FI-20500 Turku
- Finland
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17
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Yu DM, Smith DM, Kim H, Rzayev J, Russell TP. Two-Step Chemical Transformation of Polystyrene-block-poly(solketal acrylate) Copolymers for Increasing χ. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01323] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Duk Man Yu
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, 120 Governors Drive, Amherst, Massachusetts 01003, United States
| | - Darren M. Smith
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - Hyeyoung Kim
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, 120 Governors Drive, Amherst, Massachusetts 01003, United States
| | - Javid Rzayev
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - Thomas P. Russell
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, 120 Governors Drive, Amherst, Massachusetts 01003, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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