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Fast charging lithium (Li)‐ion batteries are intensively pursued for next‐generation energy storage devices, whose electrochemical performance is largely determined by their constituent electrode materials. While nanosizing of electrode materials enhances high‐rate capability in academic research, it presents practical limitations like volumetric packing density and high synthetic cost. As an alternative...
The long‐term inflammatory microenvironment is one of the main obstacles to inhibit acute spinal cord injury (SCI) repair. The natural adipose tissue‐derived extracellular matrix hydrogel shows effective anti‐inflammatory regulation because of its unique protein components. However, the rapid degradation rate and removal of functional proteins during the decellularization process impair the lasting...
As an essential component of future full‐color displays, blue perovskite light‐emitting diodes (PeLEDs) still lag far behind the red and green counterparts in the device performances. In the mainstream quasi‐2D blue perovskite system, trap‐mediated nonradiative loss, low energy transfer efficiency, and interface fluorescence quenching remain significant challenges. Herein, guanidinium thiocyanate...
Hybrid organic–inorganic perovskite (HOIP) ferroelectric materials have great potential for developing self‐powered electronic transducers owing to their impressive piezoelectric performance, structural tunability and low processing temperatures. Nevertheless, their inherent brittle and low elastic moduli limit their application in electromechanical conversion. Integration of HOIP ferroelectrics and...
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...
Hole‐transporting layers (HTLs) play a crucial role in the performance of inverted, p‐i‐n perovskite solar cells (PSCs). Chlorophylls (Chls) are naturally abundant organic photoconductors on earth, with good charge carrier mobility and appropriate Fermi energy levels that make them promising candidates for use in photovoltaic devices. However, Chls films prepared using the solution method exhibit...
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...
The high activity of water molecules results in a series of awful parasitic reaction, which seriously impede the development of aqueous zinc batteries. Herein, a new gel electrolyte with multiple molecular anchors is designed by employing natural biomaterials from chitosan and chlorophyll derivative. The gel electrolyte firmly anchors water molecules by ternary hydrogen bonding to reduce the activity...
Herein, a patterned rod‐like CoP@NiCoP core‐shell heterostructure is designed to consist of CoP nanowires cross‐linked with NiCoP nanosheets in tight strings. The interfacial interaction within the heterojunction between the two components generates a built‐in electric field that adjusts the interfacial charge state and create more active sites, accelerating the charge transfer and improving supercapacitor...
The optimization design of micro‐structure and composition is an important strategy to obtain high‐performance metal‐based electromagnetic (EM) wave absorption materials. In this work, ZnO/FeNi composites derived from ZnFeNi layered double hydroxides are prepared by a one‐step hydrothermal method and subsequent pyrolysis process, and can be employed as an effective alternative for high‐performance...
Lithium metal batteries (LMBs) are promising for next‐generation high‐energy‐density batteries owing to the highest specific capacity and the lowest potential of Li metal anode. However, the LMBs are normally confronted with drastic capacity fading under extremely cold conditions mainly due to the freezing issue and sluggish Li+ desolvation process in commercial ethylene carbonate (EC)‐based electrolyte...
The electrocatalytic transformation of carbon dioxide (CO2) to formate is a promising route for highly efficient conversion and utilization of CO2 gas, due to the low production cost and the ease of storage of formate. In this work, porous poly(ionic liquid) (PPIL)‐based tin‐silver (Sn‐Ag) bimetallic hybrids (PPILm‐SnxAg10‐x) are prepared for high‐performance formate electrolytic generation. Under...
Delicate electrochemical active surface area (ECSA) engineering over the exposed catalytic interface and surface topology of platinum‐based nanomaterial represents an effective pathway to boost its catalytic properties toward the clean energy conversion system. Here, for the first time, the facial and universal production of dendritic Pt‐based nanoalloys (Pt‐Ni, Co, Fe) with highly porous feature...
Electrochemical reduction reaction of nitrate (NITRR) provides a sustainable route toward the green synthesis of ammonia. Nevertheless, it remains challenging to achieve high‐performance electrocatalysts for NITRR especially at low overpotentials. In this work, hierarchical nanospheres consisting of polycrystalline Iridium&copper (Ir&Cu) and amorphous Cu2O (CuxIryOz NS) have been fabricated...
Pyrochlore ruthenate (Y2Ru2O7–δ) is highlighted as a promising oxygen evolution reaction (OER) catalyst for water splitting in polymer electrolyte membrane electrolyzers. However, an efficient electronic modulation strategy for Y2Ru2O7–δ is required to overcome its electrochemical inertness. Herein, a surface manipulation strategy involving implanting MoOx moieties on nano Y2Ru2O7–δ (Mo–YRO) using...
Photodetectors based on low‐dimensional materials usually suffer from serious optical power‐dependent photoresponse and low reliability, particularly in the ultraviolet regime. The barrier photodetector is an effective and reliable strategy where the barrier layer can block the low‐energy charge carriers while allowing for a flow of the high‐energy photocarriers. Here, vertical barrier heterostructure...
The simple design of a high‐energy‐density device with high‐mass‐loading electrode has attracted much attention but is challenging. Manganese oxide (MnO2) with its low cost and excellent electrochemical performance shows high potential for practical application in this regard. Hence, the high‐mass‐loading of the MnO2 electrode with wood‐derived carbon (WC) as the current collector is reported through...
As an important metal phosphides material, 2D tin phosphides (SnPx 0 < x ≤ 3) have been theoretically predicted to have intriguing physicochemical properties and potential applications in electronics, optoelectronics, and energy fields. However, the synthesis of high‐quality 2D SnP single crystal has not been reported due to the lack of efficiency and reliable growth method. Here, a facile atmospheric...
For the proliferation of the supercapacitor technology, it is essential to attain superior areal and volumetric performance. Nevertheless, maintaining stable areal/volumetric capacitance and rate capability, especially for thick electrodes, remains a fundamental challenge. Here, for the first time, a rationally designed porous monolithic electrode is reported with high thickness of 800 µm (46.74 mg...
Inorganic perovskite CsPbI2Br has advantages of excellent thermal stability and reasonable bandgap, which make it suitable for top layer of tandem solar cells. Nevertheless, solution‐processed all‐inorganic perovskites generally suffer from high‐density defects as well as significant tensile strain near underlayer/perovskite interface, both leading to compromised device efficiency and stability. In...
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