Localized surface plasmon resonances of anisotropic semiconductor nanocrystals

Su Wen Hsu, Kathy On, Andrea R. Tao

研究成果: Article同行評審

185 引文 斯高帕斯(Scopus)

摘要

We demonstrate that anisotropic semiconductor nanocrystals display localized surface plasmon resonances that are dependent on the nanocrystal shape and cover a broad spectral region in the near-IR wavelengths. In-plane and out-of-plane dipolar resonances were observed for colloidal dispersions of Cu 2-xS nanodisks, and the wavelengths of these resonances are in good agreement with calculations carried out in the electrostatic limit. The wavelength, line shape, and relative intensities of these plasmon bands can be tuned during the synthetic process by controlling the geometric aspect ratio of the disk or using a postsynthetic thermal-processing step to increase the free carrier densities.

原文English
頁(從 - 到)19072-19075
頁數4
期刊Journal of the American Chemical Society
133
發行號47
DOIs
出版狀態Published - 2011 十一月 30

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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