Determination of the Particle Size Distribution of Quantum Nanocrystals from Absorbance Spectra

The optical absorbance spectrum for a suspension of quantum particles with an arbitrary particle size distribution is determined by the electronic transition and the distribution of bandgaps in the system. It is demonstrated that the particle size distribution obtained for a suspension of ZnO quantu...

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Veröffentlicht in:	Advanced materials (Weinheim) 2003-08, Vol.15 (15), p.1289-1291
Hauptverfasser:	Pesika, N.S., Stebe, K.J., Searson, P.C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorbance spectroscopy Nanoparticle size distribution Nanoparticles Nanoparticles, semiconductor Quantum size effects semiconductor
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The optical absorbance spectrum for a suspension of quantum particles with an arbitrary particle size distribution is determined by the electronic transition and the distribution of bandgaps in the system. It is demonstrated that the particle size distribution obtained for a suspension of ZnO quantum particles is in excellent agreement with the distribution obtained from transmission electron microscope images.
ISSN:	0935-9648 1521-4095
DOI:	10.1002/adma.200304904