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Heterogeneous membranes play a crucial role in osmotic energy conversion by effectively reducing concentration polarization. However, most heterogeneous membranes mitigate concentration polarization through an asymmetric charge distribution, resulting in compromised ion selectivity. Herein, hetero‐nanochannels with asymmetric wettability composed of 2D mesoporous carbon and graphene oxide are constructed...
Given the crucial role of immune system in the occurrence and progression of various diseases such as cancer, wound healing, bone defect, and inflammation‐related diseases, immunomodulation is recognized as a potential solution for treatment of these diseases. Immunomodulation includes both immunosuppression in hyperactive immune conditions and immune activation in hypoactive conditions. For these...
Gradient‐structured materials hold great promise in the areas of batteries and electrocatalysis. Here, yolk–shell gradient‐structured SiOx‐based anode (YSG‐SiOx/C@C) derived from periodic mesoporous organosilica spheres (PMOs) through a selective etching method is reported. Capitalizing on the poor hydrothermal stability of inorganic silica in organic–inorganic hybrid silica spheres, the inorganic...
Metal‐Organic Frameworks
In article number 2305251, Yu Tang, Feng Wang, and co‐workers devise a Ln‐based alternating current electroluminescence (ACEL) device which includes a novel lanthanide‐benzenetricarboxylate (Ln‐BTC) emitting layer and a PMMA insulating layer sandwiched between two ITO electrodes (bottom to up). The Ln‐BTC thin film is constructed by growing Tb/Eu‐BTC multipod arrays on brass...
Alternating current electroluminescence (ACEL) devices are attractive candidates in cost‐effective lighting, sensing, and flexible displays due to their uniform luminescence, stable performance, and outstanding deformability. However, ACEL devices have suffered from limited options for the light‐emitting layer, which presents a significant constraint in the progress of utilizing ACEL. Herein, a new...
Osmotic energy from the salinity gradients represents a promising energy resource with stable and sustainable characteristics. Nanofluidic membranes can be considered as powerful alternatives to the traditional low‐performance ion exchange membrane to achieve high‐efficiency osmotic energy harvesting. However, the development of a highly efficient and easily scalable core membrane component from low‐cost...
The development of cost‐effective electrocatalysts for oxygen evolution reaction (OER) and urea oxidation reaction (UOR) is of great significance for hydrogen production. Herein, La and S co‐doped multiphase electrocatalyst (LSFN‐63) is fabricated by metal‐corrosion process. FeOOH can reduce the formation energy of NiOOH, and enhance the stability of NiOOH as active sites for OER/UOR. The rich oxygen...
Dielectric energy storage polymers play a vital role in advanced electronics and electrical systems, due to their high breakdown strength, excellent reliability, and easy fabrication. However, the low dielectric constant and poor thermal resistance of dielectric polymers limit their energy storage density and working temperatures, making them less versatile for broader applications. In this work,...
Sliding‐freestanding triboelectric nanogenerators (SF‐TENGs) are desirable for application in wearable power sources; however, improving their durability is the primary challenge. Meanwhile, few studies focus on enhancing the service life of tribo‐materials, especially from an anti‐friction perspective during dry operation. Herein, for the first time, a surface‐textured film with self‐lubricating...
Photo‐regulated nanofluidic devices have attracted great attention in recent years due to their adjustable ion transport in real time. However, most of the photo‐responsive nanofluidic devices can only adjust the ionic current unidirectionally, and cannot simultaneously increase or decrease the current signal intelligently by one device. Herein, a mesoporous carbon‐titania/ anodized aluminum hetero‐channels...
Self‐assembly of cellulose nanocrystals (CNCs) is invaluable for the development of sustainable optics and photonics. However, the functional failure of CNC‐derived materials in humid or liquid environments inevitably impairs their development in biomedicine, membrane separation, environmental monitoring, and wearable devices. Here, a facile and robust method to fabricate insoluble hydrogels in a...
Electrochemical upgrading of ethanol to acetic acid provides a promising strategy to couple with the current hydrogen production from water electrolysis. This work reports the design of a series of bimetallic PtHg aerogels, where the PtHg aerogel exhibits a 10.5‐times higher mass activity than that of commercial Pt/C toward ethanol oxidation. More impressively, the PtHg aerogel demonstrates nearly...
Chirality transfer is of vital importance that dominates the structure and functionality of biological systems and living matters. External physical stimulations, e.g. polarized light and mechanical forces, can trigger the chirality symmetry breaking, leading to the appearance of the enantiomeric entities created from a chiral self‐assembly of achiral molecule. Here, several 2D assemblies with different...
Kinetic Controlled Chirality Transfer and Induction
Two‐dimensional hydrogen‐bonding assemblies with different chirality, e.g. achiral, homochiral and racemic, are synthesized on Au(111) surface by using achiral glycylglycine, one of the simplest polypeptides, as the building blocks. Chirality induction and related symmetry broken in assemblies are introduced by the handedness of the assembled motifs...
Infected Tissue Regeneration
In article number 2205941, Xibo Pei, Jian Wang, and co‐workers report a silver nanoparticle (AgNPs) modified metal‐organic‐framework nanosystem (AgNPs@MOFs) with enhanced photodynamic efficiency and chemotherapy ability for infected tissue regeneration. The photodynamic performance under visible light disrupts bacteria translation process. The chemotherapy process causes...
Drug‐resistant bacterial infection impairs tissue regeneration and is a challenging clinical problem. Metal–organic frameworks (MOFs)‐based photodynamic therapy (PDT) opens up a new era for antibiotic‐free infection treatment. However, the MOF‐based PDT normally encounters limited photon absorbance under visible light and notorious recombination of photogenerated holes and electrons, which significantly...
Engineering 2D nanosheets with well‐defined porous structures and their assembled heterostructure membrane is a promising method to improve osmotic energy conversion. However, it is still a great challenge to directly fabricate 2D nanosheets with regular parallel nanochannels in aqueous media. Here, the desired functional nanosheets and heterostructure membrane device are successfully prepared through...
MXenes have exhibited potential for application in flexible devices owing to their remarkable electronic, optical, and mechanical properties. Printing strategies have emerged as a facile route for additive manufacturing of MXene‐based devices, which relies on the rational design of functional inks with appropriate rheological properties. Herein, aqueous MXene/xanthan gum hybrid inks with tunable viscosity,...
Organic–inorganic hybrid perovskite (OIHPs) solar cells are the most promising alternatives to traditional silicon solar cells, with a certified power conversion efficiency beyond 25%. However, the poor stability of OHIPs is one of the thorniest obstacles that hinder its commercial development. Among all the factors affecting stability, ion migration is prominent because it is unavoidable and intrinsic...
Traditional thermochromic photonic crystal (PC) usually has a slow and reversible thermal response, which limits its application in thermal printing. Here, the authors develop a thermochromic “SiO2‐PC/PEG” double layer structure with a responding time of milliseconds for fast thermal printing. Controlled by the print‐head, the polyethylene glycol (PEG) melts, infiltrates, and solidifies within the...
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