نتایج جستجو برای: glass flake
تعداد نتایج: 73249 فیلتر نتایج به سال:
Charge Transport in Organic Field-Effect Transistors In article number 2101701, Lukas Renn, Thomas Weitz, and co-workers develop organic transistor devices consisting of a monolayer-thin perylene-diimide n-type semiconductor on rectangular shaped h-BN flake. For some the semiconducting film is encapsulated between layers by stamping an additional flake top. transport measurements show signs int...
Two types of graphene oxide fibers are spun from high concentration aqueous dopes. Fibers extruded from large flake graphene oxide dope without drawing show unconventional 100% knot efficiency. Fibers spun from small sized graphene oxide dope with stable and continuous drawing yield in good intrinsic alignment with a record high tensile modulus of 47 GPa.
Single-layer oriented strand panels were fabricated under a combination of three alignment levels, four densities, and two resin contents. Flake orientation, density gradient across panel thickness, linear expansion (LE), and bending properties were measured. Flake orientation was characterized with the von Mises distribution using mean flake angle and concentration parameter. It was shown that...
Raman spectroscopy is known to be an effective tool for characterization of graphene and graphene multilayers on the standard Si/SiO2 (300 nm) substrates, which allows one to determine non-destructively the number of the graphene layers and assess their quality. The Raman phonon peaks undergo modification when graphene is placed on other substrates due to changes in the nature and density of th...
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