A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Enhanced Photoluminescence in Acetylene-Treated ZnO Nanorods.
Tekijät: Jäppinen, Jalkanen, Sieber, Addad, Heinonen, Kukk, Radevici, Paturi, Peurla, Shahbazi, Santos, Boukherroub, Santos, Lastusaari, Salonen
Kustantaja: SPRINGER
Julkaisuvuosi: 2016
Journal: Nanoscale Research Letters
Tietokannassa oleva lehden nimi: Nanoscale research letters
Lehden akronyymi: Nanoscale Res Lett
Artikkelin numero: 413
Vuosikerta: 11
Sivujen määrä: 11
ISSN: 1931-7573
DOI: https://doi.org/10.1186/s11671-016-1627-y
Tiivistelmä
Zinc oxide (ZnO) nanorods were manufactured using the aqueous chemical growth (ACG) method, and the effect of thermal acetylene treatment on their morphology, chemical composition, and optical properties was investigated. Changes in the elemental content of the treated rods were found to be different than in previous reports, possibly due to the different defect concentrations in the samples, highlighting the importance of synthesis method selection for the process. Acetylene treatment resulted in a significant improvement of the ultraviolet photoluminescence of the rods. The greatest increase in emission intensity was recorded on ZnO rods treated at the temperature of 825 °C. The findings imply that the changes brought on by the treatment are limited to the surface of the ZnO rods.
Zinc oxide (ZnO) nanorods were manufactured using the aqueous chemical growth (ACG) method, and the effect of thermal acetylene treatment on their morphology, chemical composition, and optical properties was investigated. Changes in the elemental content of the treated rods were found to be different than in previous reports, possibly due to the different defect concentrations in the samples, highlighting the importance of synthesis method selection for the process. Acetylene treatment resulted in a significant improvement of the ultraviolet photoluminescence of the rods. The greatest increase in emission intensity was recorded on ZnO rods treated at the temperature of 825 °C. The findings imply that the changes brought on by the treatment are limited to the surface of the ZnO rods.
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