The properties of vanadium dioxide: The molecular formula of vanadium dioxide is VO2, with a molecular weight of 82.94. It is a dark blue crystal powder with a monoclinic crystal structure. Insoluble in water, easily soluble in acid and alkali. When dissolved in acid, it cannot generate tetravalent ions, but generates positive divalent vanadium oxide ions. When heated to red heat in a dry hydrogen...
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The major limitations on TEM performance are spherical aberration (also known as aberration), chromatic aberration, and astigmatism. The spherical aberration and chromatic aberration limit the resolution of traditional TEM. Both of these defects are inevitable when using static rotational symmetric electromagnetic fields. Ball aberration is the most important factor determining the performance of ...
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What is graphene quantum dot Graphene has a wide range of application prospects, but due to its zero bandgap characteristics, low dispersion in water, and low spectral absorption, it cannot be applied in many fields such as optoelectronics, biological imaging, and semiconductors. Therefore, preparing graphene quantum dots (GQDs) is an effective method for adjusting the bandgap of graphene and appl...
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