Fluorescence spectroscopy on single CdS nanocrystals

被引：92

作者：

Tittel, J

Gohde, W

Koberling, F

Basche, T

Kornowski, A

Weller, H

Eychmuller, A

机构：

[1] UNIV HAMBURG,INST CHEM PHYS,D-20146 HAMBURG,GERMANY

[2] UNIV MUNICH,INST PHYS CHEM,D-80333 MUNICH,GERMANY

[3] UNIV MUNSTER,INST PHYS,D-48149 MUNSTER,GERMANY

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 1997年 / 101卷 / 16期

关键词：

D O I：

10.1021/jp963801q

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

By use of low-temperature (20 K) confocal microscopy, fluorescence spectra of isolated single CdS nanocrystals have been recorded. The narrowest measured line width of the main fluorescence band has been determined to be about 5 meV at the lowest excitation intensities. At higher intensities at least three additional observations are made: the main fluorescence band broadens, a line to the blue of the main peak evolves, and a peak due to the coupling to a longitudinal optical phonon appears.

引用

页码：3013 / 3016

页数：4

共 34 条

[31] CDS NANOCLUSTERS - SYNTHESIS, CHARACTERIZATION, SIZE-DEPENDENT OSCILLATOR STRENGTH, TEMPERATURE SHIFT OF THE EXCITONIC-TRANSITION ENERGY, AND REVERSIBLE ABSORBENCY SHIFT [J].