http://www.cnr.it/ontology/cnr/individuo/prodotto/ID32906
Effects of Chemical Treatment on the Luminescence of ZnO (Articolo in rivista)
- Type
- Label
- Effects of Chemical Treatment on the Luminescence of ZnO (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
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- Dierre B.; Yuan X.; Armani N.; Fabbri F.; Salviati G.; Ueda K.; Sekiguchi T. (literal)
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- In: Journal of Electronic Materials, vol. 39 (6) pp. 761 - 765. SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2010. (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- NIMS, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan, CNR-IMEM, Parma, Nano High-Tech Research Center, Graduate School of Engineering, Toyota Technological Institute, Hisakata 2-Chome, Tempaku-ku, Nagoya, Japan (literal)
- Titolo
- Effects of Chemical Treatment on the Luminescence of ZnO (literal)
- Abstract
- The effects of chemical treatment on the luminescence of ZnO were investigated by cathodoluminescence. For this purpose, ZnO ceramics and O- and Zn-terminated faces of ZnO single crystals were studied. The samples were dipped in KOH and HCl solutions as well as pure H2O for 3 min. H2O and HCl treatments of ZnO ceramics can increase or decrease the initial ultraviolet (UV) intensity depending on the location examined, and induce an increase of the UV intensity under e-beam irradiation. HCl treatment of the Zn-face of ZnO single crystals slightly affects the surface morphology and the luminescence. HCl treatment of the O-face etches the surface to hexagonal pyramidal features. In addition, the initial UV intensity is always lower for the HCl-treated than for the untreated O-face, while the UV intensity increases at the beginning of e-beam irradiation. These results suggest that the UV intensity is influenced by the surface and bulk reactions of H+ with ZnO. (literal)
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