Some new synthetic low-dimensional semiconductors based on inorganic units

G. C. Papavassiliou*, G. A. Mousdis, I. Koutselas, C. P. Raptopoulou, A. Terzis, M. G. Kanatzidis, E. A. Axtell

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The structural, optical and related properties (i.e. photoluminescence and resonance Raman spectra) of some synthetic (i.e. unconventional) low-dimensional semiconductor systems such as K2Cd3S4, [CH3SC(NH2)=NH2]3Pbl5 and [H3N(CH2)6NH3]BiI5 are reported. They are compared with the properties of the corresponding higher-dimensionality systems. A blue shift of the excitonic bands and an enhancement of their binding energy and intensity were observed by decreasing the dimensionality or the size of the materials active part. The results are similar to those obtained from conventional semiconductors by decreasing the dimensionality or the size and are attributed to quantum confinement of excitons.

Original languageEnglish (US)
Pages (from-to)263-267
Number of pages5
JournalAdvanced Materials for Optics and Electronics
Volume8
Issue number5
StatePublished - Sep 1 1998

Keywords

  • Crystal structure
  • Low-dimensional systems
  • Optical properties
  • Photoluminescence
  • Raman spectra
  • Semiconductors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Chemical Engineering(all)

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