Far-infrared absorption of PbSe nanorods

Byung Ryool Hyun, A. C. Bartnik, Weon Kyu Koh, N. I. Agladze, Jonathan P. Wrubel, A. J. Sievers, Christopher B. Murray, Frank W. Wise

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Measurements of the far-infrared absorption spectra of PbSe nanocrystals and nanorods are presented. As the aspect ratio of the nanorods increases, the Fröhlich sphere resonance splits into two peaks. We analyze this splitting with a classical electrostatic model, which is based on the dielectric function of bulk PbSe but without any free-carrier contribution. Good agreement between the measured and calculated spectra indicates that resonances in the local field factors underlie the measured spectra.

Original languageEnglish
Pages (from-to)2786-2790
Number of pages5
JournalNano Letters
Volume11
Issue number7
DOIs
StatePublished - Jul 13 2011
Externally publishedYes

Fingerprint

Infrared absorption
Nanorods
nanorods
infrared absorption
Nanocrystals
aspect ratio
Aspect ratio
Absorption spectra
Electrostatics
nanocrystals
infrared spectra
electrostatics
absorption spectra
lead selenide

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Hyun, B. R., Bartnik, A. C., Koh, W. K., Agladze, N. I., Wrubel, J. P., Sievers, A. J., ... Wise, F. W. (2011). Far-infrared absorption of PbSe nanorods. Nano Letters, 11(7), 2786-2790. https://doi.org/10.1021/nl201115h

Far-infrared absorption of PbSe nanorods. / Hyun, Byung Ryool; Bartnik, A. C.; Koh, Weon Kyu; Agladze, N. I.; Wrubel, Jonathan P.; Sievers, A. J.; Murray, Christopher B.; Wise, Frank W.

In: Nano Letters, Vol. 11, No. 7, 13.07.2011, p. 2786-2790.

Research output: Contribution to journalArticle

Hyun, BR, Bartnik, AC, Koh, WK, Agladze, NI, Wrubel, JP, Sievers, AJ, Murray, CB & Wise, FW 2011, 'Far-infrared absorption of PbSe nanorods', Nano Letters, vol. 11, no. 7, pp. 2786-2790. https://doi.org/10.1021/nl201115h
Hyun BR, Bartnik AC, Koh WK, Agladze NI, Wrubel JP, Sievers AJ et al. Far-infrared absorption of PbSe nanorods. Nano Letters. 2011 Jul 13;11(7):2786-2790. https://doi.org/10.1021/nl201115h
Hyun, Byung Ryool ; Bartnik, A. C. ; Koh, Weon Kyu ; Agladze, N. I. ; Wrubel, Jonathan P. ; Sievers, A. J. ; Murray, Christopher B. ; Wise, Frank W. / Far-infrared absorption of PbSe nanorods. In: Nano Letters. 2011 ; Vol. 11, No. 7. pp. 2786-2790.
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