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Improving electro‐optic properties is essential for fabricating high‐quality liquid crystal displays. Herein, by doping amorphous Mn3O4 octahedral nanocages (a‐Mn3O4 ONCs) into a nematic liquid crystal (NLC) matrix E7, outstanding electro‐optic properties of the blend are successfully obtained. At a doping concentration of 0.03 wt%, the maximum decreases of threshold voltage (Vth) and saturation voltage...
Structural flexibility can be a desirable trait of an operating catalyst because it adapts itself to a given catalytic process for enhanced activity. Here, amorphous cobalt hydroxide nanocages are demonstrated to be a promising electrocatalyst with an overpotential of 0.28 V at 10 mA cm−2, far outperforming the crystalline counterparts and being in the top rank of the catalysts of their kind, under...
Nanoparticle‐assembled octahedral Ag nanocages with sharp edges have been successfully synthesized through a Cu2O‐based template‐assisted strategy. In the reaction system, Ag nanoparticles can be self‐assembled on the surface of Cu2O octahedrons, which is accomplished by the reduction of Ag+ by NaBH4 in the presence of sodium citrate as a capping agent. The hollow octahedral Ag nanocages are obtained...
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