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In this paper, undoped and N-doped few-layer graphene (FLG) films were synthesized by ambient pressure chemical vapor deposition. The different photoresponse between these two kinds of FLG based photonic devices was discussed. Photoconductive and photovoltaic responses were found respectively in undoped and N-doped FLG based photonic devices. Under IR lamp illumination in vacuum, the resistance changed...
In this paper, a traditional chemical vapor deposition method for synthesis of single-crystal graphene domains on copper foils was optimized by modulating the growth parameters. This provided us a low-cost and high-yield method for large-area single-crystal graphene domain growth. By this way, single-crystal graphene domains larger than 10μm were synthesized with a gas flow of 1000sccm argon, 40sccm...
Mn-doped AlN nanostructures were grown on ceramic substrate by in situ doping of Mn via a catalyst-free chemical vapor deposition (CVD) method using Mn powder, Al powder and NH3 as the starting materials. X-ray diffraction (XRD), X-ray photoemission spectroscopy (XPS), scanning electron microscopy (SEM), Energy dispersive x-ray spectroscopy (EDX) and photoluminescence (PL) were employed to characterize...
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