Latest Results for Nano Research

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Controllable optical emission wavelength in all-inorganic halide perovskite alloy microplates grown by two-step chemical vapor deposition

Abstract All-inorganic halide perovskites (IHP), CsPbX3 (X = Cl, Br, I) exhibiting efficient optical emissions within the spectral range of 410 to 730 nm are potential candidates for many optoelectronic devices. Anion alloying of these IHPs is expected to achieve tunable emission wavelength covering the entire visible spectrum....

Self-assembly of highly ordered DNA origami lattices at solid-liquid interfaces by controlling cation binding and exchange

Abstract The surface-assisted hierarchical self-assembly of DNA origami lattices represents a versatile and straightforward method for the organization of functional nanoscale objects such as proteins and nanoparticles. Here, we demonstrate that controlling the binding and exchange of different monovalent and divalent cation species...

Morphology and strain control of hierarchical cobalt oxide nanowire electrocatalysts via solvent effect

Abstract Designing highly efficient and low-cost electrocatalysts for oxygen evolution reaction is important for many renewable energy applications. In particular, strain engineering has been demonstrated as a powerful strategy to enhance the electrochemical performance of catalysts; however, the required complex catalyst preparation...

Ultrafine Sn 4 P 3 nanocrystals from chloride reduction on mechanically activated Na surface for sodium/lithium ion batteries

Abstract Nanostructured metal phosphides are very attractive materials in energy storage and conversion, but their applications are severely limited by complicated preparation steps, harsh conditions and large excess of highly toxic phosphorus source. Here we develop a highly efficient one-step method to synthesize Sn4P3 nanostructure...

Electrocatalytic N 2 reduction to NH 3 with high Faradaic efficiency enabled by vanadium phosphide nanoparticle on V foil

Abstract To develop highly efficient electrochemical catalysts for N2 fixation is important to sustainable ambient NH3 production through the N2 reduction reaction (NRR). Herein, we demonstrate the development of vanadium phosphide nanoparticle on V foil as a high-efficiency and stable catalyst for ambient NH3 production with excellent...

Atomic iron on mesoporous N-doped carbon to achieve dehydrogenation reaction at room temperature

Abstract Atomic non-noble metal materials show the potential to substitute noble metals in catalysis. Herein, melamine formaldehyde resin is developed to synthesize atomic iron on mesoporous nitrogen-doped carbon. The triazine units with abundant nitrogen content and cavity can realize effectively anchoring of single metal atoms....

Tuning the inhomogeneous charge transport in ZnO interfaces for ultrahigh on/off ratio top-gated field-effect-transistor arrays

Abstract The interface between oxide/oxide layers shows an inhomogeneous charge transport behavior, which reveals a high conductivity owing to interface-doped. One typical example is the hetero-interface between ZnO film and other wide band gap oxides (e.g., Al2O3, TiO2, and HfO2). It is thus quite evident that the ZnO/other oxides...

A combination of hierarchical pore and buffering layer construction for ultrastable nanocluster Si/SiO x anode

Abstract Porous Si can be synthesized from diverse silica (SiO2) via magnesiothermic reduction technology and widely employed as potential anode material in lithium ion batteries. However, concerns regarding the influence of residual silicon oxide (SiOx) component on resulted Si anode after reduction are still lacked. In this work,...

Recent advances in nanomaterials for sonodynamic therapy

Abstract Sonodynamic therapy (SDT), as a novel non-invasive strategy for eliminating tumor, has the advantages of deeper tissue penetration, fewer side effects, and better patient compliance, compared with photodynamic therapy (PDT). In SDT, ultrasound was used to activate sonosensitizer to produce cytotoxic reactive oxygen species...

Tracking the in vivo spatio-temporal patterns of neovascularization via NIR-II fluorescence imaging

Abstract The in vivo spatio-temporal patterns of neovascularization are still poorly understood because it is limited to multi-scale techniques from the cellular level to living animal level. Owing to deep tissue-penetration and zero autofluorescence background, the second near-infrared (NIR-II, 1,000–1,700 nm) fluorescence imaging...

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