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Fabrication of Citric Acid/RGD Multilayers on Mg‐Zn‐Y‐Nd Alloy via Layer‐by‐Layer Self‐Assembly for Promoting Surface Biocompatibility

The multifunctional coatings of citric acid (CA) and tripeptide sequence Arg-Gly-Asp (RGD) via layer-by-layer self-assembly are immobilized onto the polydopamine (PDA) deposited surface which was passivated with hydrofluoric acid solution. The PDA/(CA-RGD)2 coating not only improves hemocompatibility of Mg-Zn-Y-Nd alloy, but also achieves rapid endothelialization...

Plasma‐Assisted Deposition of Silk Fibroin on Different Surfaces

A novel method for deposition of silk-fibroin-derived protein using atmospheric plasma torch is presented, allowing the production of uniform thin films on metals with complex geometry, glass, and flexible materials such as polyethylene terephthalate and poly(dimethylsiloxane). Surface modification by plasma provides controlled thickness conformal coatings...

Octylammonium Sulfate Decoration Enhancing the Moisture Durability of Quasi‐2D Perovskite Film for Light‐Emitting Diodes

The octylammonium sulfate decoration effectively enhances the moisture durability of PEA0.4CsPbBr3.4 quasi-2D perovskite film by the generated PbSO4 on the surface. The strong bonding interaction of SO4 2− and Pb2+ ions leads to reduced defect density, enhanced lattice stability, and robust PLQY of perovskite film. Abstract Quasi-2D perovskite...

CO2‐Induced 2D Ni‐BDC Metal–Organic Frameworks with Enhanced Photocatalytic CO2 Reduction Activity

2D single-layer [Ni3(OH)2(1,4-BDC)2-(H2O)4]·2H2O, BDC = 1,4-benzenedicarboxylate (Ni-BDC) metal–organic framework nanosheets with large sizes are synthesized through the strong interaction between CO2 molecules and Ni sites, which exhibit a high production rate of 104 mmol g−1 h−1 and a selectivity of 96.8% for CO in photocatalytic CO2 reduction. ...

Nanofibrillar Hydrogels by Temperature Driven Self‐Assembly: New Structures for Cell Growth and Their Biological and Medical Implications

Nanofibrillar hydrogels are developed by a new and simple self-assembly procedure upon thermal annealing and shown to be an effective cell growth platform. Biological and medical implications of nanofibrillar structures are discussed. Developing nanofibrillar materials is linked with insights into cell growth, understanding of interfaces and cell–surface...

Post‐Treatment of Screen‐Printed Silver Nanowire Networks for Highly Conductive Flexible Transparent Films

By employing a series of post-treatments after screen printing, silver nanowire (Ag NW) transparent conductive films with extremely low sheet resistance (0.72 Ω sq−1) are achieved. Integral printed patterns can be maintained during repeated water-washing, attributed to the enhanced substrate adhesion between the Ag NW networks and flexible poly(ethylene...

Surface Lattice Resonances in Self‐Templated Plasmonic Honeycomb and Moiré Lattices

Self-templated gold, silver, and binary gold/silver honeycomb and Moiré type lattices prepared by interface-mediated colloidal self-assembly support surface lattice resonances in the visible wavelength range. The resonance strength of the coupled modes is determined by the lattice constant and degree of order rather than the lattice type. Abstract...

Scalable Fabrication of Flexible Single‐Layer Strain and Double‐Layer Pressure Sensors by Inkjet Printing for Subtle Vibration Detection

Metallic silver layers are deposited onto polyurethane acrylate substrates with or without microstructures to form the flexible electrodes. The flexible flat electrodes can be applied as single-layer sensors with ultrahigh sensitivity. The combination of a flat electrode and a microstructured electrode finally becomes a durable double-layer flexible...

Strong Coupling of Colloidal Quantum Dots via Self‐Assemble Passivation for Efficient Infrared Solar Cells

A self-assemble passivation of PbS colloidal quantum dots (CQDs) is reported to improve the photovoltaic performance of infrared CQD solar cells. Extensive experimental studies and theoretical calculations are performed, which reveal that the high performance is attributed to the strong coupling and improved defect passivation of CQDs, resulting in...

Direct Elimination of Detrimental Surface Phases Parasitic to LiNixCo1−xO2 (x = 0.8 and 0.9) with Unique 3D Porous Structures during Synthesis

An approach is proposed to directly eliminate detrimental rock-salt and spinel surface phases for nickel-rich layered oxides and other electrode oxides with unique 3D porous structures during synthesis without element doping and/or surface modifications involved which is simple, general, cost-effective, and upscalable. The as-obtained oxides exhibit...

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