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Synthesis and Room‐Temperature Ultraviolet Photoluminescence Properties of Zirconia Nanowires
Author(s) -
Cao H. Q.,
Qiu X. Q.,
Luo B.,
Liang Y.,
Zhang Y. H.,
Tan R. Q.,
Zhao M. J.,
Zhu Q. M.
Publication year - 2004
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200305033
Subject(s) - materials science , photoluminescence , tetragonal crystal system , nanowire , cubic zirconia , raman spectroscopy , scanning electron microscope , absorption (acoustics) , transmission electron microscopy , luminescence , analytical chemistry (journal) , nanotechnology , optoelectronics , crystallography , optics , crystal structure , composite material , ceramic , chemistry , physics , chromatography
This paper reports the synthesis of tetragonal zirconia nanowires using template method. An as‐prepared sample was characterized by scanning and transmission electron microscopy. It was found that the as‐prepared materials were tetragonal zirconia nanowires with average diameters of ca. 80 nm and length of over 10 μm. The Raman spectrum showed peaks at 120, 461, and 629 cm –1 , which are attributed to the E g , E g , and B 1g phonon modes of the tetragonal zirconia structure, respectively. The UV‐vis absorption spectrum showed an absorption peak at 232.5 nm (5.33 eV in photon energy). Photoluminescence (PL) spectra of zirconia nanowires showed a strong emission peak at ca. 388 nm at room temperature, which is attributed to the ionized oxygen vacancy in the zirconia nanowires system.