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Zinc Oxide (ZnO) thin films were deposited by thermal chemical vapor deposition (TCVD) method using a two furnace system. Sol-gel spin coated ZnO templates were used to enhance the growth of the nanoparticles. The thin films were deposited at 400 ∼ 500°C to study the effect of the deposition temperature on the properties of the thin films. The samples were characterized using current-voltage (I–V)...
Carbon nanotubes (CNTs) have excellent performance in field emission; they can be used as field emission (FE) cold cathode. In this paper, we used thermal chemical vapor deposition to synthesize CNTs directly on the surface of traditional thermal-cathode; we changed the sputtering time of catalyst and found that it had a major impact on the emission properties, some discussion were also give.
In the present work, we report the performance of grapheme-based gas sensors. Monolayer quality graphene was synthesized using thermal chemical vapor deposition. Graphene was characterized using Raman spectroscopy and Transmission electron microscopy. In addition, Hall Effect experiments were conducted to study the electronic properties of graphene layers. These graphene layers were tested to sense...
Carbon nanotubes (CNTs) on a glass substrate at a dramatic low temperature was obtained by a radio frequency plasma enhanced thermal chemical vapor deposition. Nickel film was heated and activated at 450°C with 2400 W rf plasma power, the deposition of the CNTs was performed for 60 minutes with 600 W, 1500 W and 2400 W rf plasma power. The diameters of the CNTs obtained are from 8 to 40 nm and the...
In this article, a systematic study was conducted to understand the influences of various synthesis parameters, such as catalyst thickness, catalyst pretreatment time, growth time, reaction gas flow rate, growth temperature, and pressure on the length and quality of carbon nanotubes (CNT) grown by thermal chemical vapor deposition (TCVD). CNT grown on iron deposited silicon oxide substrates were characterized...
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