期刊
THIN SOLID FILMS
卷 467, 期 1-2, 页码 182-185出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2004.03.037
关键词
gallium oxide; electroluminescence; interface; spray pyrolysis
Electroluminescence (EL) was observed in Ga2O3:Eu thin films prepared by using spray pyrolysis of aqueous solutions. The strongest line was associated with the D-5(0) --> F-7(2) electronic transition for Eu3+. The red emission of the films had chromaticity coordinates of x = 0.643 and y = 0.356 with a dominant wavelength of 605 nm and a color purity of 99%. The luminance changed with the crystallinity and a quenching effect occurred. The spray pyrolysis process, which eliminates high vacuum apparatus, may be more attractive from the point of view of large-scale and large-area production of electroluminescent devices. (C) 2004 Elsevier B.V. All rights reserved.
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