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Plasma treatment and reduction are used to synthesize Pt nanoparticles (NPs) on nitrogen‐doped carbon nanotubes (p‐Pt/p‐NCNT) with a low Pt content. In particular, the plasma treatment is used to treat the NCNT to give it with more surface defects, facilitating a better growth of the Pt NPs, while the plasma reduction produces the Pt NPs with a reduced fraction of the surface atoms at the high oxidation...
A porous liquid crystalline elastomer actuator filled with an ionic liquid (PLCE‐IL) is shown to exhibit the functions of two classes of materials: electrically responsive, deformable materials for sensing and soft active materials for stimuli‐triggered actuation. On one hand, upon the order–disorder phase transition of aligned mesogens, PLCE‐IL behaves like a typical actuator capable of reversible...
This work reports an amorphization and partial desulfurization method to improve the performance of sulfide‐based materials for Na+ storage. Specifically, the polypyrrole derived carbon coated amorphous substoichiometric tin sulfide supported on aminated carbon nanotubes (PPY‐C@SnSx/ACNTs) with amorphized and substoichiometric tin sulfide (SnSx) is synthesized by simply thermal annealing the PPY‐C@SnS...
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...
Highly efficient and stable bifunctional electrocatalysts for oxygen reduction and evolution are essential for aqueous rechargeable Zn–air batteries, which require highly active sites as well as delicate structural design for increasing effective active sites and facilitating mass/electron transfer. Herein, a scalable and facile self‐catalyzed growth strategy is developed to integrate highly active...
Ordered porous RuO2 materials with various pore structure parameters are prepared via a hard‐template method and are used as the carbon‐free cathodes for Li‐O2 batteries under the voltage cutoff cycle mode. The influences of pore structure parameters of porous RuO2 on electrochemical performance are systematically studied. Results indicate that specific surface area and pore size determine the specific...
Hardware implementation of artificial synapses/neurons with 2D solid‐state devices is of great significance for nanoscale brain‐like computational systems. Here, 2D MoS2 synaptic/neuronal transistors are fabricated by using poly(vinyl alcohol) as the laterally coupled, proton‐conducting electrolytes. Fundamental synaptic functions, such as an excitatory postsynaptic current, paired‐pulse facilitation,...
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