ZnO nanowires grown by chemical deposition an rapid photothermal processing
Chemical deposition aqueous method has been developed to synthesize a new genera- tion of smart and functional nanostructured zinc oxide thin films. This chemical process uses stable and inexpensive metal inorganic salts and solvents in a heterogeneous reaction, without additional template materi...
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| Autores principales: | , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
D.Ghitu Institute of Electronic Engineering and Nanotechnologies
2008
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/62186807d8b044329c8de7a7a235248f |
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| Sumario: | Chemical deposition aqueous method has been developed to synthesize a new genera-
tion of smart and functional nanostructured zinc oxide thin films. This chemical process uses
stable and inexpensive metal inorganic salts and solvents in a heterogeneous reaction, without
additional template materials to obtain ZnO thin films with different morphologies. The
nanosized structures of ZnO are obtained to analyze the physical and structural requirements
of their applications in gas sensors. Post-growth photothermal annealing of nanostructured
zinc oxide at 650ºC in N2 leads to the suppression of deep-defect-level emission and improvement of near-band edge emission and is ascribed to the decrease in structure defects as
compared to the initial nanostructure. The sensing behavior of the nanostructured elements to
methanol is investigated. |
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