Double Charge Polarity Switching in Sb‐Doped SnSe with Switchable Substitution Sites

Double charge polarity switching is observed in Sb‐doped SnSe with switchable substitution sites. Pure SnSe shows p‐type conduction, whereas the polarity of (Sn1− x Sb x )Se is switched to n‐type for 0.005 < x < 0.05, and then re‐switched to p‐type for x > 0.05, where the major Sb substitution site changes from Se (SbSe) to Sn site...

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Sarcoma‐Derived Extracellular Vesicles: Coupling Nanostructured Microchips with Covalent Chemistry Enables Purification of Sarcoma‐Derived Extracellular Vesicles for Downstream Functional Studies (Adv. Funct. Mater. 49/2020)

In article number 2003237, Meiping Zhao, Hsian‐Rong Tseng, Yazhen Zhu, and co‐workers present a device for the purification of Ewing sarcoma‐derived extracellular vesicles (EVs) by coupling LINGO‐1 antibodies with the covalent chemistry‐mediated EV capture/release mechanism using a nanostructure‐embedded microchip. The purified EVs can be internalized...

21h

Suppressed Lattice Disorder for Large Emission Enhancement and Structural Robustness in Hybrid Lead Iodide Perovskite Discovered by High‐Pressure Isotope Effect

Comprehensive high‐pressure experiments show that the structural and optoelectronic properties of methylammonium lead iodide perovskite (MAPbI3) will be drastically improved when hydrogen is replaced with deuterium in organic cation. The improved lattice stability boosts the photoluminescence intensity of MAPbI3 by threefold. The pressure‐treated CD3ND3PbI3...

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A High Capacity All Solid‐State Li‐Sulfur Battery Enabled by Conversion‐Intercalation Hybrid Cathode Architecture

A S/VS2/Li3PS4 hybrid cathode exhibits sulfur utilization of ≈85% in an all‐solid state cell with a Li‐metal anode and coulombic efficiency of close to 100%. High areal capacity up to 7.8 mA h cm−2 is achieved with an active material loading (S/VS2) as high as 15.5 mg cm−2. Abstract As demands for electrochemical energy storage continue to...

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Functionalized Mesoporous Photonic Crystal Film for Ultrasensitive Visual Detection and Effective Removal of Mercury (II) Ions in Water

An ultrathin one‐stack photonic crystal featuring capabilities of visually quantitative determination and effective adsorption toward Hg2+ is facilely constructed by integrating a specifically designed thiourea‐containing nanocopolymer with highly structural stable TiO2. The kinetic process and microstructural variations of the photonic materials with...

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Linking Glass‐Transition Behavior to Photophysical and Charge Transport Properties of High‐Mobility Conjugated Polymers

In this work, dynamical mechanical analysis is used to determine T g of a range of state‐of‐the‐art conjugated polymers with different degrees of crystallinity that are widely studied for applications in organic field‐effect transistors. The measured values for T g are compared with the theoretical value predicted by a recent work based on the concept...

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Engineering Platelet‐Rich Plasma Based Dual‐Network Hydrogel as a Bioactive Wound Dressing with Potential Clinical Translational Value

An engineered platelet‐rich plasma dual‐network hydrogel based on sodium alginate is constructed through a simple “one‐step” activation process. The designed hydrogel presented improved mechanical and release properties, thereby supporting clinical practice and satisfying clinical requirements. Experimental results in rat and pig full‐thickness wound...

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Hollow NiSe Nanocrystals Heterogenized with Carbon Nanotubes for Efficient Electrocatalytic Methanol Upgrading to Boost Hydrogen Co‐Production

Hollow NiSe nanocrystals/carbon nanotubes nanoheterostructures are synthesized as highly active and durable electrocatalysts for long‐term methanol selective upgrading conversion to value‐added formate at large and steady current density (≈345 mA cm−2) with a high Faradaic efficiency (>95%), simultaneously replacing sluggish OER performance to boost...

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Through‐Space CBr···π Halogen Interaction: Efficient Modulation of Reaction‐Based Photochromism and Photoluminescence at Crystalline States for Irradiation Time‐Dependent Anti‐Counterfeiting

The Spiro hybridized diphenylethene derivatives feature a rarely robust crystalline‐state photochromism behavior with irradiation color‐dependent self‐decoloration, accomplished by the state‐dependent photoluminescence. This unique solid‐state photo‐activity is achieved by modulating the photocyclization activity through a pair of through‐space CBr···π...

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CO2‐Based Dual‐Tone Resists for Electron Beam Lithography

CO2‐derived polycarbonates obtained via the copolymerization of CO2 with various oxiranes are utilized as dual‐tone resists for the first time with outstanding sensitivity and resolution under electron beam exposure. Abstract The increasing global environmental and energy crisis has urgently motivated the advancement of sustainable materials....

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