4.6 Article

Interfacial Engineering of Block Copolymer Nanostructures: Morphology and Solvent Stability

相关参考文献

注意:仅列出部分参考文献,下载原文获取全部文献信息。
Article Chemistry, Multidisciplinary

Tunable Ordered Nanostructured Phases by Co-assembly of Amphiphilic Polyoxometalates and Pluronic Block Copolymers

Andi Di et al.

Summary: This study presents a time-resolved small-angle X-ray scattering investigation on the co-assembly process of amphiphilic organo-functionalized Wells-Dawson-type polyoxometalate (POM) metal-oxygen clusters with Pluronic block copolymer in aqueous solutions. The study revealed the formation of large vesicles, a lamellar phase, a mixture of two cubic phases, and eventually a hexagonal phase at concentrations above 110 mM.

NANO LETTERS (2023)

Article Chemistry, Physical

Superacidic Catalyst Containing Phosphotungstic Acid Covalently Embedded Into Silica Matrix

Joshua Cutright et al.

Summary: The objective of this research is to synthesize a stable heterogeneous catalyst containing covalently immobilized phosphotungstic acid (PTA) and evaluate its catalytic activity. The catalyst showed good catalytic activity in the isomerization of alkenes, but its activity in the alkylation of benzene was somewhat lower. The characterization of the catalyst after the reaction showed minimal changes in porosity and particle size, with no leaching of PTA observed. However, carbon deposits were found on the catalyst, requiring regeneration before reuse.

SILICON (2023)

Article Chemistry, Multidisciplinary

Polyoxometalates as chemically and structurally versatile components in self-assembled materials

Yanting Gao et al.

Summary: Polyoxometalates (POMs) are anionic molecular metal oxides with diverse composition and structure, allowing for significant chemical tuning without perturbation of the inorganic oxide molecular structure; The rich surface chemistry of POMs enables functionalization with organic components, leading to the development of inorganic-organic hybrids with wide potential applications.

CHEMICAL SCIENCE (2022)

Article Polymer Science

Solvent Annealing of Striped Ellipsoidal Block Copolymer Particles: Reversible Control over Lamellae Asymmetry, Aspect Ratio, and Particle Surface

Lucila Navarro et al.

Summary: Solvent annealing is a versatile method for adjusting the shape and morphology of block copolymer particles. In this study, nonpolar solvents were used to selectively swell polystyrene, resulting in unique asymmetric lamellae structures.

ACS MACRO LETTERS (2022)

Review Chemistry, Physical

Polyoxometalate-based materials: quasi-homogeneous single-atom catalysts with atomic-precision structures

Shiqing He et al.

Summary: Polyoxometalates (POMs) are early-transition-metal oxide clusters with diverse structures and extensive functionality, serving as ligands and supports for constructing single-atom catalysts (SACs) with atomic-precision structures. Metal-substituted POM clusters are promising candidates for sub-nanometer building blocks, with novel morphologies and enhanced catalytic properties achieved using these cluster-based assemblies. POM-based single-atom catalysts exhibit the advantages of both heterogeneous and homogeneous catalysts, along with excellent solubility and reusability.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

Article Chemistry, Multidisciplinary

Multifunctional Photonic Janus Particles

Qilin He et al.

Summary: Photonic Janus particles with a sphere fused to a cone are created through the phase separation of dendronized brush block copolymers and poly(4-vinylpyridine)-r-polystyrene. The particles exhibit tunable structural colors by varying the molecular weight of the copolymers and can be surface-modified for multifunctionality. A real-time magnetic control and electrostatic immobilization of charged biomolecules are achieved, enabling potential applications in biosensing. A new photonic sensor for detecting Salmonella is developed using antibody-modified photonic Janus particles, with the angle-dependent structural color playing a key role in the sensing mechanism.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

Article Polymer Science

Fusion Growth of Two-Dimensional Disklike Micelles via Liquid-Crystallization-Driven Self-Assembly

Xiao Jin et al.

Summary: Liquid-crystallization-driven self-assembly (LCDSA) enables the growth of two-dimensional disklike micelles with good control, addressing the challenge of precise manipulation of 2D nanostructures.

MACROMOLECULES (2022)

Article Chemistry, Multidisciplinary

Isothermal Titration Calorimetry Directly Measures the Selective Swelling of Block Copolymer Vesicles in the Presence of Organic Acid

Qiuya Zhang et al.

Summary: This study compared the selective swelling of polystyrene-block-poly(2-vinylpyridine) vesicles in the presence of different acids and found that the hydrogen bonding interaction between tartaric acid/malic acid and the vesicles limits their swelling, which depends on the molecular structures of the acids and the polymer.

ACS OMEGA (2022)

Article Chemistry, Multidisciplinary

Regioselective Seeded Polymerization in Block Copolymer Nanoparticles: Post-Assembly Control of Colloidal Features

Lucila Navarro et al.

Summary: Existing methods often address particle features individually, while our approach transfers the concept of seeded polymerization to phase separated BCP particles, allowing simultaneous control of particle shape and chemical functionality, leading to the preparation of multifunctional BCP colloids.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

Article Chemistry, Physical

Bridging Molecule Assisted Organic-Inorganic Interface Coassembly to Rationally Construct Metal Oxide Mesostructures

Xinran Zhou et al.

Summary: In this work, a bridging molecule assisted coassembly strategy was developed to synthesize mesostructured late transition metal oxides. Various mesostructured materials were obtained through elaborately controlled synthesis. This method can be expanded to construct other mesostructure systems, serving as a universal methodology for the rational design of functional mesoporous materials.

CHEMISTRY OF MATERIALS (2022)

Article Chemistry, Multidisciplinary

Dynamic Coassembly of Amphiphilic Block Copolymer and Polyoxometalates in Dual Solvent Systems: An Efficient Approach to Heteroatom-Doped Semiconductor Metal Oxides with Controllable Nanostructures

Yuan Ren et al.

Summary: Dynamic coassembly of block copolymers with polyoxometalates is utilized to synthesize heteroatom-doped tungsten oxide with controllable nanostructures. The resulting nanocomposites can be converted into nanostructured metal oxides with high surface area and unique properties via thermal-induced structural evolution. For example, silicon-doped WO3 hollow hemispheres derived from the coassembly of PEO-b-PS and H4SiW12O40 exhibit superior gas sensing performance.

ACS CENTRAL SCIENCE (2022)

Review Chemistry, Multidisciplinary

Polyoxometalate-Soft Matter Composite Materials: Design Strategies, Applications, and Future Directions

Jan-Hendrik Kruse et al.

Summary: Molecular metal oxides or polyoxometalates (POMs) exhibit unique properties, but their technological application is hindered by their molecular nature. Immobilizing POMs on heterogeneous substrates has become a central theme in research. Integration of POMs in soft matter matrices has led to breakthroughs in composite design. This review summarizes the progress in this emerging field, highlights challenges to be overcome, and provides insights into future directions.

ADVANCED FUNCTIONAL MATERIALS (2022)

Article Chemistry, Multidisciplinary

Formation and Transformation of Polystyrene-block-poly(2-vinylpyridine) Hexasomes in the Solvent Exchange

Qiuya Zhang et al.

Summary: In this study, inverse micellar nanostructures with open channels were successfully generated using a modified solvent exchange method. The addition of D-tartaric acid induced the formation of mesoporous spheres with regularly packed perpendicular cylindrical channels and subsequently mesoporous spheres with gyri-like open pores. The findings provide a simple and economical pathway for fabricating hexasomes with open channels, which could be beneficial for their further applications.

LANGMUIR (2022)

Article Polymer Science

Investigating Structural Effects of Quaternizing Additives on Shape Transitions of Block Copolymer Particles

Zhengping Tan et al.

Summary: This study investigates the shape-changing capabilities of BCP particles after quaternization with bromoalkyl benzene additives of different alkyl spacer lengths, revealing that the hydrolyzing and quaternizing behaviors of the additives are dependent on their chemical structures. Furthermore, the alkyl spacer length of the additives significantly affects the range of particle morphologies.

MACROMOLECULES (2022)

Article Chemistry, Multidisciplinary

Size-Controlled Formation of Polymer Janus Discs

Xiaolian Qiang et al.

Summary: This study presents a straightforward method for preparing nano- to micrometer-sized Janus discs with controlled shape, size, and aspect ratio, using cross-linkable ABC triblock terpolymers and SPG membrane emulsification. The Janus discs can be transferred to water and used as efficient colloidal stabilizers for O/W emulsions, showing their amphiphilic properties.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Polymer Science

Electrostatic Control of the Three-Dimensional Confined Assembly of Charged Block Copolymers in Emulsion Droplets

Min Ren et al.

Summary: Understanding microphase separation of charged block copolymers is crucial for developing materials with tunable structures. By adjusting the charge fraction and block ratio of BCPs, various morphologies of BCP particles can be obtained. Additionally, the addition of inorganic salts affects the assembly of charged PS-b-P4VP, with morphology dependent on the hydration nature of counterions.

MACROMOLECULES (2021)

Article Polymer Science

Light-Enabled Reversible Shape Transformation of Block Copolymer Particles

Dengwen Hu et al.

Summary: In this study, a novel strategy was developed to achieve reversibly light-responsive shape-transformation of BCP particles by constructing functional surfactants with light-active azobenzene groups. Ultraviolet and visible lights can reversibly modulate the amphiphilicity and interfacial affinity of the surfactants, triggering the reversible microphase structure transformation of BCP particles.

ACS MACRO LETTERS (2021)

Article Multidisciplinary Sciences

An integrated giant polyoxometalate complex for photothermally enhanced catalytic oxidation

Xiaofei Chen et al.

Summary: This study proposes a strategy that integrates near infrared photothermal and catalytic effects within one active center, which is successfully applied to the catalytic oxidation of cyclohexene in water, resulting in a significant enhancement of catalytic activity.

SCIENCE ADVANCES (2021)

Review Chemistry, Multidisciplinary

Beyond Charge Balance: Counter-Cations in Polyoxometalate Chemistry

Archismita Misra et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Review Polymer Science

Self-Assembly of block copolymers into internally ordered microparticles

Chin Ken Wong et al.

PROGRESS IN POLYMER SCIENCE (2020)

Article Chemistry, Multidisciplinary

Switchable Full-Color Reflective Photonic Ellipsoidal Particles

Qilin He et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

Article Polymer Science

Nanodiscs Generated from the Solvent Exchange of a Block Copolymer

Quya Zhang et al.

MACROMOLECULES (2020)

Review Materials Science, Multidisciplinary

Polyoxometalate Clusters: Sub-nanometer Building Blocks for Construction of Advanced Materials

Qingda Liu et al.

MATTER (2020)

Article Polymer Science

Janus onions of block copolymers via confined self-assembly

Tingting Cui et al.

POLYMER (2019)

Article Chemistry, Multidisciplinary

The Interfacial Assembly of Polyoxometalate Nanoparticle Surfactants

Caili Huang et al.

NANO LETTERS (2018)

Review Chemistry, Multidisciplinary

Multidimensional Design of Anisotropic Polymer Particles from Solvent-Evaporative Emulsion

Kang Hee Ku et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

Article Chemistry, Multidisciplinary

Surface-Reactive Patchy Nanoparticles and Nanodiscs Prepared by Tandem Nanoprecipitation and Internal Phase Separation

Divya Varadharajan et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

Article Chemistry, Multidisciplinary

Janus Nanodisc of Diblock Copolymers

Renhua Deng et al.

ADVANCED MATERIALS (2014)

Article Chemistry, Multidisciplinary

A Facile Synthesis of Dynamic, Shape-Changing Polymer Particles

Daniel Klinger et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2014)

Article Chemistry, Multidisciplinary

Counterion-Mediated Hierarchical Self-Assembly of an ABC Miktoarm Star Terpolymer

Andreas Hanisch et al.

ACS NANO (2013)

Article Chemistry, Multidisciplinary

Striped, Ellipsoidal Particles by Controlled Assembly of Diblock Copolymers

Se Gyu Jang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2013)

Article Chemistry, Multidisciplinary

Shaping Functional Nano-objects by 3D Confined Supramolecular Assembly

Renhua Deng et al.

Article Chemistry, Multidisciplinary

Access to Ordered Porous Molybdenum Oxycarbide/Carbon Nanocomposites

Thomas Lunkenbein et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2012)

Article Chemistry, Multidisciplinary

Direct Synthesis of Inverse Hexagonally Ordered Diblock Copolymer/Polyoxometalate Nanocomposite Films

Thomas Lunkenbein et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2012)

Article Chemistry, Multidisciplinary

Micelles and Vesicles Formed by Polyoxometalate-Block Copolymer Composites

Weifeng Bu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2009)

Article Chemistry, Multidisciplinary

Suprapolymer Structures from Nanostructured Polymer Particles

Takeshi Higuchi et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2009)

Article Chemistry, Multidisciplinary

Cooperative Assembly of Block Copolymers with Deformable Interfaces: Toward Nanostructured Particles

Seog-Jin Jeon et al.

ADVANCED MATERIALS (2008)

Article Multidisciplinary Sciences

Multicompartment micelles from ABC miktoarm stars in water

ZB Li et al.

SCIENCE (2004)