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Photoemission Study of Thiol-Capped Gold Nanoparticles

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Abstract

A photoemission study of dodecanethiol (DT)-capped Au nanoparticles on the highly oriented pyrolytic graphite (HOPG) substrates has been carried out in order to investigate in detail the electronic structures of metallic nanoparticles supported on the substrates. The present DT-capped Au nanoparticles show that the leading edge in the photoemission spectra near the Fermi level is not the Fermi edge, with the midpoint of the steep slope being away from the Fermi level. From these results, we discuss the electronic structures of DT-capped Au nanoparticles, especially nanoparticle-HOPG substrate interaction.

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Authors and Affiliations

  1. Department of Physics, Graduate School of Science, Tohoku University, Aoba-ku, Sendai, 980-8578, Japan

    Tazumi Nagasawa, Akinori Tanaka, Hiroyuki Sasaki, Yosuke Kuriyama, Shoji Suzuki & Shigeru Sato

  2. Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai, 980-8578, Japan

    Tsutomu Sekine

Authors
  1. Tazumi Nagasawa
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  2. Akinori Tanaka
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  3. Hiroyuki Sasaki
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  4. Yosuke Kuriyama
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  5. Shoji Suzuki
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  6. Shigeru Sato
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  7. Tsutomu Sekine
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Nagasawa, T., Tanaka, A., Sasaki, H. et al. Photoemission Study of Thiol-Capped Gold Nanoparticles. MRS Online Proceedings Library 704, 9401 (2001). https://doi.org/10.1557/PROC-704-W9.40.1

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  • DOI: https://doi.org/10.1557/PROC-704-W9.40.1

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