| Autor: |
Azhar, Najwa Ezira Ahmed, Shariffudin, Shafinaz Sobihana, Rosli, Aimi Bazilah, Shafura, A.K.S., Rusop, Mohamad |
| Zdroj: |
Advanced Materials Research; June 2015, Vol. 1109 Issue: 1 p456-460, 5p |
| Abstrakt: |
ZnO nanotetrapod with different oxygen flow rate was prepared by thermal chemical vapor deposition. We have successfully deposited ZnO nanotetrapod on synthesis Zn powder using double furnace with argon (Ar) and oxygen (O2) gas as source material. In this study, we report the effect of different gas flow rate (5 sccm to 15 sccm) on structural and optical properties of the ZnO nanotetrapod. The morphology of ZnO nanotetrapods were analyzed by field emission scanning electron microscope (FE-SEM). It exhibits the length of the nanotetrapods arm decrease with increased of flow rate and diameter of nanotetrapod in range 30 nm to 90 nm. The optical properties were determined through XRD and photoluminescence with 2θ (30o to 80o) and wavelength 350 nm to 620 nm respectively. PL spectra show that the UV emission centred at 380 nm while yellow-orange emission centred at 540 nm. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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