Ultraviolet photoluminescence of ZnO quantum dots sputtered at room-temperature

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Optics Express. 2011, 19(2), pp. 1641-1647. eISSN 1094-4087. Available under: doi: 10.1364/OE.19.001641
Zusammenfassung

We observe ultraviolet photoluminescence from sputtered ZnO quantum dots which are fabricated with no annealing steps. The nanocrystals are embedded in amorphous SiO2 and exhibit a narrow size distribution of 3.5 ± 0.6 nm. Photoluminescence and transmittance measurements show a shift of ultraviolet emission and absorption of the dots compared to bulk ZnO material. This work paves the way for cheap nanooptical devices in the ultraviolet which are fabricated in a single sputtering run.

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530 Physik
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Nanostructure fabrication, Ultraviolet, Optoelectronics
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ISO 690KILIANI, Gillian, Reinhard SCHNEIDER, Dimitri LITVINOV, Dagmar GERTHSEN, Mikhail FONIN, Ulrich RÜDIGER, Alfred LEITENSTORFER, Rudolf BRATSCHITSCH, 2011. Ultraviolet photoluminescence of ZnO quantum dots sputtered at room-temperature. In: Optics Express. 2011, 19(2), pp. 1641-1647. eISSN 1094-4087. Available under: doi: 10.1364/OE.19.001641
BibTex
@article{Kiliani2011Ultra-5167,
  year={2011},
  doi={10.1364/OE.19.001641},
  title={Ultraviolet photoluminescence of ZnO quantum dots sputtered at room-temperature},
  number={2},
  volume={19},
  journal={Optics Express},
  pages={1641--1647},
  author={Kiliani, Gillian and Schneider, Reinhard and Litvinov, Dimitri and Gerthsen, Dagmar and Fonin, Mikhail and Rüdiger, Ulrich and Leitenstorfer, Alfred and Bratschitsch, Rudolf}
}
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