Nanoparticle‐Based Electrodes with High Charge Transfer Efficiency through Ligand Exchange Layer‐by‐Layer Assembly

Various energy electrodes using high‐energy nanoparticles (NPs) have great difficulty in enhancing their performance due to poor charge transfer between neighboring NPs, which mainly originates from the presence of bulky organic ligands onto the NPs. Recent progress on the control over organic ligands of energy NPs and adsorption approaches for the...

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High Throughput Methods in the Synthesis, Characterization, and Optimization of Porous Materials

High throughput synthetic, computational, and analytic/machine learning approaches applied to porous materials are reviewed. The benefits of a virtuous circle, where there is feedback between each strand of research, are highlighted. Abstract Porous materials are widely employed in a large range of applications, in particular, for storage,...

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Shape Changing Robots: Bioinspiration, Simulation, and Physical Realization

Biological tissues exhibit incredible dynamic plasticity, enabling organisms to grow and thrive in challenging environments. Inspired by such feats, engineers have begun to design robots capable of actively editing their own structure and behaviors. An overview of the literature on shape changing robots is provided, and how multifunctional materials...

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Transparent Zinc‐Mesh Electrodes for Solar‐Charging Electrochromic Windows

The first example of flexible transparent zinc‐mesh electrodes are demonstrated to assemble large‐scale Zn‐anode‐based electrochromic windows, and solar‐charging smart windows with sunlight‐intermittency issues perfectly addressed are presented. These findings facilitate new opportunities for the development of next‐generation transparent electrochemical...

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A Narrow‐Bandgap n‐Type Polymer with an Acceptor–Acceptor Backbone Enabling Efficient All‐Polymer Solar Cells

A narrow‐bandgap polymer acceptor L14 with an acceptor–acceptor (A–A) backbone is synthesized, showing lower‐lying frontier molecular orbitals, higher electron mobility, and larger absorption coefficient without sacrificing photovoltage compared to its donor–acceptor (D–A) analog polymer, L11. When applied in all‐polymer solar cells, L14 yields an outstanding...

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Tunable Piezoelectricity of Multifunctional Boron Nitride Nanotube/Poly(dimethylsiloxane) Stretchable Composites

Boron nitride nanotube/poly(dimethylsiloxane) (BNNT/PDMS) stretchable composites are prepared via co‐solvent blending with tetrahydrofuran. The composites demonstrate augmented Young's modulus and thermal conductivity without losing stretchability while developing a piezoelectric response comparable to widely used piezoelectric polymers. Uniquely, application...

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Plasmonic Oxygen‐Deficient TiO2‐x Nanocrystals for Dual‐Band Electrochromic Smart Windows with Efficient Energy Recycling

A dual‐band electrochromic smart window assembled using a plasmonic oxygen‐deficient TiO2‐x nanocrystal electrode not only successfully overcomes the issues of aliovalent substitutional doping in dual‐band electrochromic applications, but also delivers the independent control of visible light and near‐infrared with impressive electrochromic performance...

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The Experimentalist's Guide to the Cycloid, or Noncollinear Antiferromagnetism in Epitaxial BiFeO3

A thorough, critical review of the literature concerning the room‐temperature multiferroic BiFeO3 is presented. Specifically, research exploring the structure and behavior of the incommensurate spin cycloid is addressed. After elucidating the importance of this magnetic oxide for functional devices and nanotechnologies, possible techniques for probing...

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Liquid Metal Initiator of Ring‐Opening Polymerization: Self‐Capsulation into Thermal/Photomoldable Powder for Multifunctional Composites

Ring‐opening polymerization initiated by sonicating EGaIn in fluidic lactones enables self‐capsulation of EGaIn droplets into polylactone shells with tunable thickness. With thermal/photomoldability, biocompatibility, biodegradability, and high photothermal efficiency, powder of EGaIn capsules is ideal for multifunctional composites (e.g., with sintering...

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Synergistic Interface‐Assisted Electrode–Electrolyte Coupling Toward Advanced Charge Storage

A “smart” Co3O4–redox electrolyte (RE) interface that not only significantly increases the electrochemical activity of Co3O4 but also effectively confines the redox species is created, thus simultaneously achieving remarkable enhancement of faradaic charge storage capability and suppressed self‐discharge. With such a synergistic interface, the energy...

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