Optical properties of II-VI semiconductor nanoparticles

Rolf Neuendorf; Adriane Brysch; Giorah Bour; Uwe Kreibig

doi:10.1117/12.449536

5 December 2001 Optical properties of II-VI semiconductor nanoparticles

Rolf Neuendorf, Adriane Brysch, Giorah Bour, Uwe Kreibig

Proceedings Volume 4456, Controlling and Using Light in Nanometric Domains; (2001) https://doi.org/10.1117/12.449536
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Nanoparticles (clusters) of type II-VI semiconductor materials (CdS, CdSe, CdTe) have been prepared with average diameters between 1 nm and 25 nm using precipitation methods in aqueous or organic solutions and deposited on oxidic substrates. The intrinsic electronic structure of these particles with sizes around the excitonic Bohr radius of the respective materials has been investigated by a combination of optical spectroscopy methods including reflection/transmission measurements, photoluminescence, Raman spectroscopy, absorption saturation and second harmonic generation (SHG) measurements. Together with supporting information on the morphology and the arrangement of the particles obtained from Transmission Electron Microscopy (TEM), Scanning Probe Microscopy and X-Ray diffraction we were able to determine the size dependence of excitonic excitations within the clusters, following in good agreement theoretical predictions derived from quantum mechanical, extended particle-in-a-box models.

Citation Download Citation

Rolf Neuendorf, Adriane Brysch, Giorah Bour, and Uwe Kreibig "Optical properties of II-VI semiconductor nanoparticles", Proc. SPIE 4456, Controlling and Using Light in Nanometric Domains, (5 December 2001); https://doi.org/10.1117/12.449536

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