Abstract Spider silk is one of the most robust natural materials, which has extremely high strength in combination with great toughness and good elasticity. Inspired by spider but beyond it, a healable recyclable supramolecular elastomer, possessing superhigh true stress at break (1.21 GPa) ultrahigh (390.2 MJ m −3 ), are, respectively, comparable to ≈2.4 times higher than those typical silk, developed. The elastomer highest tensile (ultimate engineering stress, 75.6 MPa) ever recorded for...

Abstract There is a huge requirement of elastomers for use in tires, seals, and shock absorbers every year worldwide. In view sustainable society, the next generation expected to combine outstanding healing, recycling, damage‐tolerant capacities with high strength, elasticity, toughness. However, it remains challenging fabricate such because mechanisms properties mentioned above are mutually exclusive. Herein, fabrication healable, recyclable, mechanically tough polyurethane (PU) damage...

Herein, we report a novel Janus particle and supramolecular block copolymer consisting of two chemically distinct hyperbranched polymers, which is coined as polymer. It constructed by the noncovalent coupling between hydrophobic poly(3-ethyl-3-oxetanemethanol) with an apex azobenzene (AZO) group hydrophilic polyglycerol β-cyclodextrin (CD) through specific AZO/CD host-guest interactions. Such amphiphilic polymer resembles tree together its root very well in architecture can further...

Amphiphilic plasmonic micelle-like nanoparticles (APMNs) composed of gold (AuNPs) and amphiphilic block copolymers (BCPs) structurally resemble polymer micelles with well-defined architectures chemistry. The APMNs can be potentially considered as a prototype for modeling higher-level self-assembly micelles. understanding such secondary is particular importance the bottom-up design new hierarchical nanostructures. This article describes self-assembly, modeling, applications APMN assemblies in...

We report subthreshold swings as low 8.5 mV/decade over high eight orders of magnitude drain current in short-channel negative capacitance FinFETs (NC-FinFETs) with gate length <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$L_{g}=100$ </tex-math></inline-formula> nm. NC-FinFETs are constructed by connecting a high-quality epitaxial bismuth ferrite (BiFeO <sub...

A polymer ligand–based strategy enables assembly of nanoscale particles into configurations reminiscent molecules.

To build a sustainable society, it is of significant importance but highly challenging to develop remalleable, healable, and biodegradable polymeric materials with integrated high strength toughness. Here, we report superstrong ultratough supramolecular material toughness ca. 282.3 J g-1 (395.2 MJ m-3) in combination tensile as 104.2 MPa Young's modulus 3.53 GPa. The even higher than that the toughest spider silk (ca. 354 ever found world, while also exhibits superior over most engineering...

Vulcanized rubber made from an industrial formula can be healed and reclaimed by activating the rearrangement of inherent sulfur crosslinked networks under catalysis CuCl₂.

GALAMOST [graphics processing unit (GPU)-accelerated large-scale molecular simulation toolkit] is a package designed to utilize the computational power of GPUs. Besides common features dynamics (MD) packages, it developed specially for studies self-assembly, phase transition, and other properties polymeric systems at mesoscopic scale by using some lately techniques. To accelerate simulations, contains hybrid particle-field MD technique where particle–particle interactions are replaced...

Although an analogy has been drawn between them, organic molecular amphiphiles (MAMs) and inorganic nanoparticle (NP) (NPAMs) are significantly different in dimension, geometry, composition as well their assembly behavior. Their concurrent can synergetically combine the inherent properties of both building blocks, thus leading to new hybrid materials with increasing complexity functionality. Here we present a strategy fabricate vesicles well-defined shape, morphology, surface pattern by...

It is challenging to fabricate mechanically super-strong polymer composites with excellent healing capacity because of the significantly limited mobility chains. The fabrication by complexing polyacrylic acid (PAA) polyvinylpyrrolidone (PVPON) in aqueous solution followed molding into desired shapes presented. coiled PVPON can complex PAA water via hydrogen-bonding interactions produce transparent PAA-PVPON homogenously dispersed nanoparticles complexes. As healable materials, composite...

We propose a multiscale simulation strategy to study the interplay between diffusion and curing reaction on network formation corresponding mechanical properties of epoxy resins. Atomistic molecular dynamics simulations are first used estimate parameters that will be in coarse-grained simulations. Then dissipative particle coupled with model is developed adopted simulate cross-linking process system form an structure. find that, during process, which extent components can diffuse each other...

A general emulsion interfacial polymerization strategy opens a new avenue for the large-scale synthesis of “god” Janus particles.

Two-dimensional (2D) nanomaterials possessing regular layered structures and versatile chemical composition are highly expected in many applications. Despite the importance of van der Waals (vdW) attraction constructing maintaining structures, origin 2D anisotropy is not fully understood, yet. Here, we report self-assembly ligand-capped Au15 nanoclusters into mono-, few-, multilayered sheets colloidal solution. Both experimental results computer simulation reveal that initiated by 1D dipolar...

Gold nanorods are excellent anisotropic building blocks for plasmonic chiral nanostructures. The near-infrared band of makes them highly desirable biomedical applications such as bioimaging and sensing, in which a strong circular dichroism (CD) signal is required. Chiral assemblies gold induced by self-associating peptides especially attractive this purpose they exhibit plasmonic-enhanced chiroptical activity. Here, we showed that the presence cetyltrimethylammonium bromide (CTAB) micelles...

Although π–π interactions have been studied for several decades, the quantification of strength in a macromolecule remains big challenge. Herein, we utilize single-molecule atomic force microscopy and steered molecular dynamics simulations to study polystyrene (PS). It is found that high vacuum, single-chain mechanics PS differs largely from polyethylene (PE). Accordingly, intrachain estimated be 0.7 kcal/(mol stack), which much lower than small-molecule system (benzene dimer, 2–3 stack))....

Stretchable conductive elastomers play an irreplaceable role in flexible electronic devices. However, stretchable are usually soft and susceptible to damage. In this study, inspired from skin, highly elastic integrated with damage resistance, tolerance, healability fabricated by loading ionic liquids (ILs) within the polyurethane (PU) of multiblock polymers poly(dimethylsiloxane) (PDMS)/polycaprolactone (PCL) coordinated Zn2+ ions. The mechanically robust elastomer, a tensile strength ∼15.2...

Elastomers play an irreplaceable role in industry and daily life; however, they are usually soft susceptible to damage. In this study, skin-like poly(urethane-urea) elastomers with high mechanical strength, stretchability, elasticity, excellent damage resistance, tolerance, healability fabricated by cross-linking polycaprolactone (PCL) chains hydrogen-bond arrays. The elastomer, which is denoted as PU-ASC, has a tensile strength of ∼72.6 MPa, recovery strain ∼500%, fracture energy ∼161 kJ...

The surface-initiated polymerization with different initiator densities and rates is investigated using molecular dynamics simulation method. We find that the density, together rate, greatly determines polymer brush structure, initiation efficiency, graft especially when density high. excluded volume effect also plays a crucial role in system chains are densely grafted. By tuning modifying we can obtain brushes degrees of polydispersity. This study partially emphasizes importance considering...

Abstract Metal nanoclusters (NCs) with diameter below 2 nm are promising catalysts in oxygen reduction reactions (ORR). However, the high surface energy of ultra‐small clusters leads to structural instability, shedding doubt on practical applications. Herein, we demonstrate a self‐assembly method improve durability catalytic metal NCs, employing copper NCs capped by 1‐dodecanethiol (DT) form free‐standing ribbons colloidal solution. By tuning cooperation between dipolar attraction Cu and van...

Single-crystal perovskite ferroelectric material is integrated at room temperature on a flexible substrate by the layer transfer technique. Two terminal memory devices fabricated with these materials exhibit faster switching speed, lower operating voltage, and superior endurance than other existing counterparts. The research provides an avenue toward combining rich functionality of charge spin states, offered general class complex oxides, onto platform.

Dendritic multiarm copolymers, including dendrimer copolymers and hyperbranched have shown great potential to be excellent precursors in self-assembly, many impressive supramolecular structures been prepared through the solution self-assembly of them. However, corresponding theoretical studies on mechanism greatly lagging behind. Herein, we report micellization behaviors amphiphilic dendritic with a hydrophobic core hydrophilic arms by dissipative particle dynamics simulations. Both...

Wet (nano)blanket: The self-assembly of Au nanoclusters into single-cluster-thick nanosheets is performed in two miscible high-boiling solvents with a slight polarity difference, which generates microphase separation and acts as soft template to direct the two-dimensional orientation.