Fig. 1shows the schematic of our SPCVD reactor, which comprises a spray nozzle, a vertical heating furnace, a quartz tube, and a powder collector. The Pd/C2H5OH-mixed liquid was pumped into the vertical CVD chamber with compressed argon gas, hydrogen, and acetylene, to grow carbonaceous products at a temperature of
600e800C. The synthesis period was 1 h. The synthesized
nanocarbonaceous products on the Pd catalysts were then observed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Their graphite crystallinity was analyzed using Raman spectroscopy
Fig. 1shows the schematic of our SPCVD reactor, which comprises a spray nozzle, a vertical heating furnace, a quartz tube, and a powder collector. The Pd/C2H5OH-mixed liquid was pumped into the vertical CVD chamber with compressed argon gas, hydrogen, and acetylene, to grow carbonaceous products at a temperature of600e800C. The synthesis period was 1 h. The synthesizednanocarbonaceous products on the Pd catalysts were then observed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Their graphite crystallinity was analyzed using Raman spectroscopy
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