FENG Qiu-ju, FENG Yu, LIANG Hong-wei, WANG Jue, TAO Peng-cheng, JIANG Jun-yan, ZHAO Jian-ze, LI Meng-ke, SONG Zhe, SUN Jing-chang. Fabrication and Characterization of Well-aligned Arsenic-doped ZnO Nanowires[J]. Chinese Journal of Luminescence, 2011,32(2): 154-158
FENG Qiu-ju, FENG Yu, LIANG Hong-wei, WANG Jue, TAO Peng-cheng, JIANG Jun-yan, ZHAO Jian-ze, LI Meng-ke, SONG Zhe, SUN Jing-chang. Fabrication and Characterization of Well-aligned Arsenic-doped ZnO Nanowires[J]. Chinese Journal of Luminescence, 2011,32(2): 154-158DOI:
Fabrication and Characterization of Well-aligned Arsenic-doped ZnO Nanowires
The ZnO nanowires were grown on Si(100) substrates by chemical vapor deposition method without using catalyst. The X-ray diffraction (XRD) indicates the highly preferred crystal orientation along the
c
axis of ZnO in this sample. Field emission scanning electron microscope(FE-SEM) showed well-aligned ZnO nanowires with uniform diameter
length
and density were grown perpendicularly on Si substrate. The top and root diameter of the ZnO nanowires are about 70 nm and 100 nm
respectively
and the length of the nanowires is about 1.5 m. Furthermore
the As elements were detected in the arsenic doped ZnO nanowires by the energy-dispersive X-ray spectroscopy (EDS). The arsenic related acceptor emission was observed in the photoluminescence spectra at 11 K for all arsenic doped ZnO samples. This preparation method of arsenic doped ZnO nanowires may provide a new way for realizing the ZnO nanowires based light emitting diode and laser diode.
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references
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