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Isotope energy shift of luminescence in hydrogen-and deuterium-terminated porous silicon

  • Semiconductors, Photovoltaics And Optoelectronic Materials
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Abstract

We review our recent results on the comparative studies between hydrogen-(H-PS) and deuterium-(D-PS) terminated porous Si nanostructures. The photoluminescence (PL) spectrum of D-PS was different from that of H-PS despite both H-PS and D-PS showing the same structure and the same absorption spectrum. We quantitatively discuss these results based on the trapping of conduction electrons at a surface Si-H or Si-D bond supported by a tight binding calculation. In addition to these basic results, we also show that the replacement of hydrogen with deuterium reduces the degradation not only of PL but also of electroluminescence. We also discuss the luminescence degradation mechanism from the point of view of a photoinduced oxidation model.

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Authors and Affiliations

  1. Single Quantum Dot Project, ERATO, Japan Science and Technology Corporation, 5-9-9 Tokodai, 300-2635, Tsukuba, Japan

    T Matsumoto, S V Nair & Y Masumoto

  2. Institute of Physics, University of Tsukuba, 305-8571, Tsukuba, Japan

    Y Masumoto

Authors
  1. T Matsumoto
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  2. S V Nair
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  3. Y Masumoto
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Matsumoto, T., Nair, S.V. & Masumoto, Y. Isotope energy shift of luminescence in hydrogen-and deuterium-terminated porous silicon. Bull Mater Sci 22, 369–376 (1999). https://doi.org/10.1007/BF02749944

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  • DOI: https://doi.org/10.1007/BF02749944

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