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Highly symmetrical and streamlined nanostructures possessing unique electron scattering, electron‐phonon coupling, and electron confinement characteristics have attracted a lot of attention. However, the controllable synthesis of such a nanostructure with regulated shapes and sizes remains a huge challenge. In this work, a peanut‐like MnO@C structure, assembled by two core–shell nanosphere is developed...
Homogeneous and nanometric metal clusters with unique electronic structures are promising for catalysis, however, common synthesis techniques for metal clusters suffer from large size and even metal nanocrystals attributing to their high surface energy and unsaturated configurations. Herein, a generalized rapid annealing strategy for synthesizing a series of supported metal clusters as superior catalysts...
Although assembled hollow architectures have received considerable attention as lightweight functional materials, their uncontrollable self‐aggregation and tedious synthetic methods hinder precise construction and modulation. Therefore, this study proposes a bi‐ion synergistic regulation strategy to design assembled hollow‐shaped cobalt spinel oxide microspheres. Dominated by the coordination‐etching...
The outcome of laser‐triggered plasmons‐induced phototherapy, including photodynamic therapy (PDT) and photothermal therapy (PTT), is significantly limited by the hypoxic tumor microenvironment and the upregulation of heat shock proteins (HSPs) in response to heat stress. Mitochondria, the biological battery of cells, can serve as an important breakthrough to overcome these obstacles. Herein, dendritic...
Aqueous zinc ion hybrid capacitors (aZHCs) are of great potential for large‐scale energy storage and flexible wearable devices, of which the specific capacity and energy density need to be further enhanced for practical applications. Herein, a urea‐mediated foaming strategy is reported for the efficient synthesis of monoliths consisting of nitrogen‐enriched mesoporous carbon nanosheets (NPCNs) by...
As a common nuclide in radioactive wastewater, uranium (U) is generally treated by landfill, which induces the massive abandonment of uranium resources. In this work, a pulse voltammetry method for the synthesis of U single atoms on MoS2 (U/MoS2) nanosheets from radioactive wastewater for the electrocatalytic alkaline hydrogen evolution reaction (HER) is reported. The mass loading of U single atoms...
Hydrogen Evolution
In article number 2107444, Yan Liu, Rong He, Wenkun Zhu, and co‐workers construct a pulse voltammetry method to directly prepare uranium (U) single atoms on the edge sites of MoS2 nanosheets (U/MoS2) from radioactive wastewater. The 5.2% U/MoS2 nanosheet displayed a low overpotential of 72 mV at 10 mA cm−2 in 1 M KOH solution. Furthermore, the boosted hydrogen evolution reaction...
Given the inherent characteristics of transition metal fluorides and open tunnel‐type frameworks, intercalation‐conversion‐type FeF3·0.33H2O has attracted widespread attention as a promising lithium‐ion battery cathode material with high operating voltage and high energy density. However, its low electronic conductivity and poor structural stability impede its practical application in high‐rate capacity...
Single atomic Pt catalysts exhibit particularly high hydrogen evolution reaction (HER) activity compared to conventional nanomaterial‐based catalysts. However, the enhanced mechanisms between Pt and their coordination environment are not understood in detail. Hence, a systematic study examining the different types of N in the support is essential to clearly demonstrate the relationship between Pt...
All‐solid‐state lithium batteries have received extensive attention due to their high safety and promising energy density and are considered as the next‐generation electrochemical energy storage system. However, exploring solid‐state electrolytes in customized geometries without sacrificing the ionic transport is significant yet challenging. Herein, various 3D printable Li1.3Al0.3Ti1.7(PO4)3 (LATP)‐based...
Optoelectronic‐neuromorphic transistors are vital for next‐generation nanoscale brain‐like computational systems. However, the hardware implementation of optoelectronic‐neuromorphic devices, which are based on conventional transistor architecture, faces serious challenges with respect to the synchronous processing of photoelectric information. This is because mono‐semiconductor material cannot absorb...
In article number 2005217, Jun He, Jie Jiang, and co‐workers demonstrate a novel neuromorphic photoelectric device of vertical van der Waals heterojunction phototransistor based on colloidal zero‐dimensional CsPbBr3‐quantum‐dots/two‐dimensional MoS2 heterojunction channel with a polymer ion‐gel electrolyte as the gate dielectric. Efficiency‐adjustable photoelectronic Pavlovian associative learning...
Configuring metal single‐atom catalysts (SACs) with high electrocatalytic activity and stability is one efficient strategy in achieving the cost‐competitive catalyst for fuel cells’ applications. Herein, the atomic layer deposition (ALD) strategy for synthesis of Pt SACs on the metal–organic framework (MOF)‐derived N‐doped carbon (NC) is proposed. Through adjusting the ALD exposure time of the Pt...
Hierarchical nanostructures with tailored component and architectures are attractive for energy‐related applications. Here, the delicate design and construction of hierarchical MoS2/MoP (H‐MoS2/MoP) nanorods for the hydrogen evolution reaction (HER) are demonstrated. This multiscale design rationally combines the compositional and structural advantages of MoS2/MoP heterojunction into a hierarchical...
Ultrathin 2D materials possess unique properties that translate to enhanced efficiency as electrocatalysts, stimulating research toward methodologies that support their preparation. Herein, a two‐step strategy is reported that involves the preparation of the new boron imidazolate framework (BIF‐73) which is subsequently utilized as a precursor to yield the crystalline 2D nanosheet material (Fe@BIF‐73‐NS...
Shape‐transformable liquid metal (LM) micromachines have attracted the attention of the scientific community over the past 5 years, but the inconvenience of transfer routes and the use of corrosive fuels have limited their potential applications. In this work, a shape‐transformable LM micromotor that is fabricated by a simple, versatile ice‐assisted transfer printing method is demonstrated, in which...
The electroreduction of carbon dioxide (CO2) toward high‐value fuels can reduce the carbon footprint and store intermittent renewable energy. The iodide‐ion‐assisted synthesis of porous copper (P‐Cu) microspheres with a moderate coordination number of 7.7, which is beneficial for the selective electroreduction of CO2 into multicarbon (C2+) chemicals is reported. P‐Cu delivers a C2+ Faradaic efficiency...
Layered serpentine Ni3Ge2O5(OH)4 is compositionally active and structurally favorable for adsorption and diffusion of reactants in oxygen evolution reactions (OER). However, one of the major problems for these materials is limited active sites and low efficiency for OER. In this regard, a new catalyst consisting of layered serpentine Ni3Ge2O5(OH)4 nanosheets is introduced via a controlled one‐step...
A bioinspired magnetically powered microswimmer is designed and experimentally demonstrated by mimicking the morphology of annelid worms. The structural parameters of the microswimmer, such as the surface wrinkling, can be controlled by applying prestrain on substrate for the precise fabrication and consistent performance of the microswimmers. The resulting annelid‐worm‐like microswimmers display...
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