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Brush-Shaped ZnO Heteronanorods Synthesized Using Thermal-Assisted Pulsed Laser Deposition
- Authors
- Choi, Jaewan; Ji, Hyunjin; Tambunan, Octolia Togibasa; Hwang, In-Sung; Woo, Hyung-Sik; Lee, Jong-Heun; Lee, Bo Wha; Liu, Chunli; Rhee, Seuk Joo; Jung, Chang Uk; Kim, Gyu-Tae
- Issue Date
- 12월-2011
- Publisher
- AMER CHEMICAL SOC
- Keywords
- brush-shaped heteronanostructures; thermal-assisted pulsed laser deposition; photocurrent
- Citation
- ACS APPLIED MATERIALS & INTERFACES, v.3, no.12, pp.4682 - 4688
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACS APPLIED MATERIALS & INTERFACES
- Volume
- 3
- Number
- 12
- Start Page
- 4682
- End Page
- 4688
- ISSN
- 1944-8244
- Abstract
- Brush-shaped ZnO heteronanostructures were synthesized using a newly designed thermal-assisted pulsed laser deposition (T-PLD) system that combines the advantages of pulsed laser deposition (PLD) and a hot furnace system. Branched ZnO nanostructures were successfully grown onto CVD-grown backbone nanowires by T-PLD. Although ZnO growth at 300 degrees C resulted in core-shell structures, brush-shaped hierarchical nanostructures were formed at 500-600 degrees C. Materials properties were studied via photoluminescence (PL), scanning electron microscopy (SEM) and trans mission electron microscopy (TEM) characterizations. The enhanced photocurrent of a SnO2-ZnO heterostructures device by irradiation with 365 nm wavelength ultraviolet (UV) light was also investigated by the current-voltage characteristics.
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