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Multi‐Layered PtAu Nanoframes
In article number 2206377, Insub Jung, Sungho Park, and co‐workers present the rationale design of multi‐layered PtAu nanoframes via multiple synthetic pathways for plasmon‐enhanced electrocatalytic activity. Plasmonic hot spots formed between the inner and outer frames promote light‐induced electrocatalytic enhancement toward the methanol oxidation reaction. Notably,...
Here, the rational design of complex PtAu double nanoframes (DNFs) for plasmon‐enhanced electrocatalytic activity toward the methanol oxidation reaction (MOR) is reported. The synthetic strategy for the DNFs consists of on‐demand multiple synthetic chemical toolkits, including well‐faceted Au growth, rim‐on selective Pt deposition, and selective Au etching steps. DNFs are synthesized by utilizing...
Direct electrocatalytic reduction of N2 to NH3 under mild conditions is attracting considerable interests but still remains enormous challenges in terms of respect of intrinsic catalytic activity and limited electrocatalytic efficiency. Herein, a photo‐enhanced strategy is developed to improve the NRR activity on Cu single atoms catalysts. The atomically dispersed Cu single atoms supported TiO2 nanosheets...
The charged species inside biofluids (blood, interstitial fluid, sweat, saliva, urine, etc.) can reflect the human body's physiological conditions and thus be adopted to diagnose various diseases early. Among all personalized health management applications, ion‐selective organic electrochemical transistors (IS‐OECTs) have shown tremendous potential in point‐of‐care testing of biofluids due to low...
Recent progress in addressing electrically driven single‐molecule behaviors has opened up a path toward the controllable fabrication of molecular devices. Herein, the selective fabrication of single‐molecule junctions is achieved by employing the external electric field. For molecular junctions with methylthio (–SMe), thioacetate (–SAc), amine (–NH2), and pyridyl (–PY), the evolution of their formation...
Lithium (Li) metal is promising for high energy density batteries due to its low electrochemical potential (−3.04 V) and high specific capacity (3860 mAh g−1). However, the safety issues impede the commercialization of Li anode batteries. In this work, research of hierarchical structure designs for Li anodes to suppress Li dendrite growth and alleviate volume expansion from the interior (by the 3D...
2D metal‐porphyrin frameworks (MPFs) are attractive for advanced energy storage devices. However, the inferior conductivity and low structural stability of MPFs seriously limit their application as flexible free‐standing electrodes with high performance. Here, for the first time, an interlayer hydrogen‐bonded MXene/MPFs film is proposed to overcome these disadvantages by intercalation of highly conductive...
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