Time-resolved exciton-emission spectroscopy of anatase

Ilmo Sildos; V. Kiisk; S. Lange; J. Aarik

doi:10.1117/12.515702

8 August 2003 Time-resolved exciton-emission spectrosopy of anatase

Ilmo Sildos, V. Kiisk, S. Lange, J. Aarik

Proceedings Volume 5122, Advanced Organic and Inorganic Optical Materials; (2003) https://doi.org/10.1117/12.515702
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

At low temperatures, time-resolved polarized photoluminescence of anatase single crystals and nanocrystalline thin films was studied in a nanosecond time scale. In both kinds of samples, the emission spectra showed two relatively broad shifted bands peaking at about 2.35 eV and 2.75 eV and possessing decay times of above 1 μs and below 50 ns, respectively. The bands have been interpreted as those originating from the singlet and triplet states of the self-trapped exciton of anatase.

Citation Download Citation

Ilmo Sildos, V. Kiisk, S. Lange, and J. Aarik "Time-resolved exciton-emission spectrosopy of anatase", Proc. SPIE 5122, Advanced Organic and Inorganic Optical Materials, (8 August 2003); https://doi.org/10.1117/12.515702

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