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- W2370369550 abstract "ZnO thin film is a promising material for short-wave laser and LBD etc, due to its wide band gap (3.37eV) and high exciton binding energy (60meV) at room temperature. But its photoluminescent properties received little attention in the past years, because there was unavoidably more or less defection in this material produced by traditional methods. To solve this problem, its preparation techniques need to be further improved. In recent years, some new methods were introduced to produce ZnO thin film such as MOCVD, MBE and so on. ZnO becomes hotpoint in all kinds of researches, especially in designing optoelectronic devices. In our work, the ZnO thin films were deposited on quartz substrates by radio frequency magnetic sputtering. We reported the measurements of XRD patterns, absorption spectra and photoluminescent spectra of our samples at room temperature. We also discussed the effect caused by the change of the ratio of oxygen to argon on the qualities of thin films. The ratio of 20:70 was found optimal. From XRD patterns, we can see our samples have good crystalline. On the other hand, ZnO thin film showed strong absorption in the UV region. The photoluminescence was correspondingly strong UV emission peaked at 392nm. It is obvious that near band emission is dominant in various transitions. High structural perfection of our sample was shown in these figures. The state of abundant Zn in ZnO thin film was greatly improved." @default.
- W2370369550 created "2016-06-24" @default.
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- W2370369550 date "2002-01-01" @default.
- W2370369550 modified "2023-09-25" @default.
- W2370369550 title "Preparation and Photoluminescent Properties of ZnO Thin Film" @default.
- W2370369550 hasPublicationYear "2002" @default.
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