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To change the binary structure of nanotube and nanotube array in vertically aligned carbon nanotube arrays, this work deposits regularly arranged amorphous alumina sheets on the classical array growth catalyst (10 nm‐thick alumina and 2 nm‐thick iron) and obtains an array similar to the Medusa head. Subsequent experiments revealed that these alumina sheets show both unstable and stable qualities during...
Constructing heterojunction of supramolecular arrays self‐assembled on metal–organic frameworks (MOFs) with elaborate charge transfer mechanisms is a promising strategy for the photocatalytic oxidation of organic pollutants. Herein, H12SubPcB–Br (SubPc–Br) and UiO‐66 are used to obtain the step‐scheme (S‐scheme) heterojunction SubPc–Br/UiO‐66 for the first time, which is then applied in the photocatalytic...
Infrared emitter is highly desirable for applications in infrared imaging and infrared stealth technology. It is also a core device in infrared scene generation. Light‐driven photothermal film has attracted considerable interest due to its outstanding photothermal properties and easy fabrication. However, the existing photothermal films suffer from low photothermal conversion efficiency (PCE) as well...
Practical applications of polymer electrolytes in lithium (Li) metal batteries with high‐voltage Ni‐rich cathodes have been hindered by the dendrite growth and poor oxidative stability of electrolytes. Herein, a self‐healing polymer electrolyte is developed by in situ copolymerization of 2‐(3‐(6‐methyl4‐oxo‐1,4‐dihydropyrimidin‐2‐yl)ureido)ethyl methacrylate (UPyMA) and ethylene glycol methyl ether...
Nanostructured gold has attracted significant interest from materials science, chemistry, optics and photonics, and biology due to their extraordinary potential for manipulating visible and near‐infrared light through the excitation of plasmon resonances. However, gold nanostructures are rarely measured experimentally in their plasmonic properties and hardly used for high‐temperature applications...
Rechargeable magnesium batteries (RMBs) that use pure Mg or Mg alloy as anode and materials allowing Mg ions to insert/extract as cathode have many advantages such as high energy density, environmental friendliness, low cost, and safety of handling. RMBs are regarded as a promising candidate for portable power sources and heavy load energy devices. However, there are still some technological issues...
Hydrogels are emerging biomaterials with desirable physicochemical characteristics. Doping of metal ions such as Ca2+, Mg2+, and Fe2+ provides the hydrogels with unique attributes, including bioactivity, conductivity, and tunability. Traditionally, this doping is achieved by the interaction between metal ions and corresponding ligands or the direct incorporation of as‐prepared metal‐based nanoparticles...
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