Common luminescence intensity fluctuations of single particle and single molecules in non-conducing matrices

C. von Borczyskowski, F. Cichos, J. Martin, J. Schuster, A. Issac, J. Brabandt

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Optical spectroscopy in combination with wide field or confocal optical microscopy enables the investigation of single quantum objects such asorganic molecules, II/VI semiconductor quantum dots and silicon nanocrystals.They all have fluctuations of luminescence intensities on time scales longerthan μs in common. A comparison reveals that despite the large differences of the nature of the respective quantum objects, the intensity fluctuations are related to a slow ionisation process followed by a trapping of the photoejected charge in the non-conducing environment. Detailed aspects of the dynamics are controlled by the dielectric propertiesof the matrix.

Original languageEnglish
Pages (from-to)13-25
Number of pages13
JournalEuropean Physical Journal: Special Topics
Volume144
Issue number1
DOIs
Publication statusPublished - May 2007

Fingerprint

Confocal microscopy
Silicon
Nanocrystals
Semiconductor quantum dots
Ionization
Optical microscopy
Luminescence
luminescence
Molecules
matrices
molecules
nanocrystals
trapping
quantum dots
microscopy
ionization
silicon
spectroscopy
Optical spectroscopy
II-VI semiconductors

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry

Cite this

Common luminescence intensity fluctuations of single particle and single molecules in non-conducing matrices. / von Borczyskowski, C.; Cichos, F.; Martin, J.; Schuster, J.; Issac, A.; Brabandt, J.

In: European Physical Journal: Special Topics, Vol. 144, No. 1, 05.2007, p. 13-25.

Research output: Contribution to journalArticle

von Borczyskowski, C. ; Cichos, F. ; Martin, J. ; Schuster, J. ; Issac, A. ; Brabandt, J. / Common luminescence intensity fluctuations of single particle and single molecules in non-conducing matrices. In: European Physical Journal: Special Topics. 2007 ; Vol. 144, No. 1. pp. 13-25.
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