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Wrinkled graphene shows an enhanced photoelectric effect owing to the opening of a bandgap induced by stress. Here, bismuth (Bi) nanorods array with trigonal orientation are assembly grown on silicon substrates by molecular beam epitaxy. Single layer graphene (SLG) is transferred on top of the Bi nanorods array to make flat SLG forming into wrinkles. Through the application of visible-infrared and...
Spheroidal carbonaceous materials were produced by one-step hydrothermal carbonization of carbohydrates, including glucose, sucrose, and starch, in the presence of alcohol. The morphologies of the carbon spheroids varied from centrosymmetric spheres to low-symmetry spheroids, and the shape and aspect ratio were highly dependent upon the alcohols and carbohydrates used. The results reveal that alcohol...
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