Structural and spectroscopic investigations of CdS/HgS/CdS quantum-dot quantum wells

A. Mews; A. Kadavanich; U. Banin; A. Alivisatos

doi:10.1103/PhysRevB.53.R13242

Structural and spectroscopic investigations of CdS/HgS/CdS quantum-dot quantum wells

A. Mews, A. Kadavanich, U. Banin, A. Alivisatos

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Abstract

Epitaxial growth in a CdS/HgS heterostructure of nanometer dimensions, prepared by methods of wet chemistry, is demonstrated. High-resolution transmission-electron microscopy is used to determine the shape and crystallinity of this system consisting of a quantum well in a quantum dot. The homogeneous absorption and fluorescence spectra are investigated by transient hole burning and fluorescence line-narrowing spectroscopy. The photophysical measurements provide evidence for charge-carrier localization within the HgS well.

Original language	English
Pages (from-to)	R13242-R13245
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	53
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.53.R13242
State	Published - 1996
Externally published	Yes

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10.1103/PhysRevB.53.R13242

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abstract = "Epitaxial growth in a CdS/HgS heterostructure of nanometer dimensions, prepared by methods of wet chemistry, is demonstrated. High-resolution transmission-electron microscopy is used to determine the shape and crystallinity of this system consisting of a quantum well in a quantum dot. The homogeneous absorption and fluorescence spectra are investigated by transient hole burning and fluorescence line-narrowing spectroscopy. The photophysical measurements provide evidence for charge-carrier localization within the HgS well.",

author = "A. Mews and A. Kadavanich and U. Banin and A. Alivisatos",

year = "1996",

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Structural and spectroscopic investigations of CdS/HgS/CdS quantum-dot quantum wells

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