Hengli Duan
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View article: Photoemission electron microscopy for connectomics
Photoemission electron microscopy for connectomics Open
Photoemission electron microscopy (PEEM) offers a potential third modality for large-volume connectomics alongside transmission electron microscopy (TEM) and scanning electron microscopy (SEM). We image osmium stained, ultrathin brain sect…
View article: Microphase evolution of Si–B–C–N ceramics: A deep insight into the effect of boron on pyrolysis and crystallization
Microphase evolution of Si–B–C–N ceramics: A deep insight into the effect of boron on pyrolysis and crystallization Open
Silicon boron carbonitride (SiBCN) ceramics have garnered significant attention due to their exceptional high‐temperature stability, resistance to creep, and favorable electrical properties. However, the ceramicization mechanism of covalen…
View article: Temperature dependent mechanism transition effect stabilized ruthenium-based oxides for water oxidation in proton exchange membrane electrolyzer
Temperature dependent mechanism transition effect stabilized ruthenium-based oxides for water oxidation in proton exchange membrane electrolyzer Open
Oxygen evolution reaction (OER), as the anodic reaction of many electrochemical devices, plays a crucial role in such energy conversion process. However, the poor OER stability of non-iridium-based materials has tremendously limited the la…
View article: Realizing Room‐Temperature Ferromagnetism in Molecular‐Intercalated Antiferromagnet VOCl
Realizing Room‐Temperature Ferromagnetism in Molecular‐Intercalated Antiferromagnet VOCl Open
2D van der Waals (vdW) magnets are gaining attention in fundamental physics and advanced spintronics, due to their unique dimension‐dependent magnetism and potential for ultra‐compact integration. However, achieving intrinsic ferromagnetis…
View article: Defective Tungsten Oxides with Stacking Faults for Proton Exchange Membrane Green‐Hydrogen Generation
Defective Tungsten Oxides with Stacking Faults for Proton Exchange Membrane Green‐Hydrogen Generation Open
Defects can introduce atomic structural modulation and tailor performance of materials. Herein, it demonstrates that semiconductor WO 3 with inert electrocatalytic behavior can be activated through defect‐induced tensile strains. Structura…
View article: Size‐Dependent Multi‐Electron Donation in Metal‐Complex Quantum Dots Hybrid Catalyst for Photocatalytic Carbon Dioxide Reduction
Size‐Dependent Multi‐Electron Donation in Metal‐Complex Quantum Dots Hybrid Catalyst for Photocatalytic Carbon Dioxide Reduction Open
The effective conversion of carbon dioxide (CO 2 ) into valuable chemical fuels relies significantly on the donation of multiple electrons. Its efficiency is closely linked to both the density and lifetime of excited charge carriers. In th…
View article: Robust room temperature ferromagnetism in an itinerant van der Waals antiferromagnet
Robust room temperature ferromagnetism in an itinerant van der Waals antiferromagnet Open
The coexistence of antiferromagnetic and ferromagnetic order at room temperature in single-phase van der Waals materials, particularly within the two-dimensional limit, has attracted significant research interest. Nonetheless, such materia…
View article: Controlled synthesis of van der Waals CoS<sub>2</sub> for improved p-type transistor contact
Controlled synthesis of van der Waals CoS<sub>2</sub> for improved p-type transistor contact Open
Two-dimensional (2D) van der Waals (vdW) p-type semiconductors have shown attractive application prospects as atomically thin channels in electronic devices. However, the high Schottky hole barrier of p-type semiconductor–metal contacts in…
View article: Probing the Néel‐Type Antiferromagnetic Order and Coherent Magnon–Exciton Coupling in Van Der Waals VPS<sub>3</sub>
Probing the Néel‐Type Antiferromagnetic Order and Coherent Magnon–Exciton Coupling in Van Der Waals VPS<sub>3</sub> Open
2D van der Waals (vdW) antiferromagnets have received intensive attention due to their terahertz resonance, multilevel magnetic‐order states, and ultrafast spin dynamics. However, accurately identifying their magnetic configuration still r…
View article: Intrinsic room-temperature ferromagnetism in a two-dimensional semiconducting metal-organic framework
Intrinsic room-temperature ferromagnetism in a two-dimensional semiconducting metal-organic framework Open
The development of two-dimensional (2D) magnetic semiconductors remains a challenging issue in materials science, and plays an important role in the next-generation spintronics devices. Herein, we demonstrate that a 2D semiconducting antif…
View article: Polaronic Trions Induced by Strong Interfacial Coupling in Monolayer WSe<sub>2</sub>
Polaronic Trions Induced by Strong Interfacial Coupling in Monolayer WSe<sub>2</sub> Open
The weak dielectric screening in 2D semiconducting transition metal dichalcogenides give rise to strongly bound quasiparticles, which provides a platform to investigate the diverse excitonic phenomena and correlated physics. However, how t…
View article: Engineering a local acid-like environment in alkaline medium for efficient hydrogen evolution reaction
Engineering a local acid-like environment in alkaline medium for efficient hydrogen evolution reaction Open
Tuning the local reaction environment is an important and challenging issue for determining electrochemical performances. Herein, we propose a strategy of intentionally engineering the local reaction environment to yield highly active cata…
View article: Emerging Oscillating Reactions at the Insulator/Semiconductor Solid/Solid Interface via Proton Implantation
Emerging Oscillating Reactions at the Insulator/Semiconductor Solid/Solid Interface via Proton Implantation Open
Most oscillating reactions (ORs) happen in solutions. Few existing solid-based ORs either happen on solid/gas (e.g., oxidation or corrosion) or solid/liquid interfaces, or at the all-solid interfaces neighboring to metals or ionic conducto…
View article: Embedding atomic cobalt into graphene lattices to activate room-temperature ferromagnetism
Embedding atomic cobalt into graphene lattices to activate room-temperature ferromagnetism Open
Graphene is extremely promising for next-generation spintronics applications; however, realizing graphene-based room-temperature magnets remains a great challenge. Here, we demonstrate that robust room-temperature ferromagnetism with T C u…
View article: Embedding atomic cobalt into graphene lattices to active room-temperature ferromagnetism
Embedding atomic cobalt into graphene lattices to active room-temperature ferromagnetism Open
Graphene is extremely promising for next-generation spintronics applications; however, realizing graphene-based room-temperature magnets remains a great challenge. Here, for the first time, we demonstrate that robust room-temperature ferro…