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Use of Calixarene Host Molecules to Stabilize Quantum-confined Cadmium Sulfide Formation

Published online by Cambridge University Press:  15 February 2011

Robin R. Chandler
Affiliation:
Department of Chemistry, Texas Christian University, Ft. Worth, TX 76129.
Jeffery L. Coffer
Affiliation:
Department of Chemistry, Texas Christian University, Ft. Worth, TX 76129.
C. David Gutsche
Affiliation:
Department of Chemistry, Texas Christian University, Ft. Worth, TX 76129.
Iftikhar Alam
Affiliation:
Department of Chemistry, Texas Christian University, Ft. Worth, TX 76129.
Hong Yang
Affiliation:
Center for Materials Characterization, University of North Texas, Denton, 7X 76203.
Russell F. Pinizzotto
Affiliation:
Center for Materials Characterization, University of North Texas, Denton, 7X 76203.
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Abstract

We describe here the use of calixarenes, methylene (-CH2-) linked phenolic macrocyclic molecules, to stabilize the formation of quantum-confined (Q-) CdS clusters. Specifically, we focus on the use of an amino-derivatized calixarene, para-[(dimethylamino)- methyl]calix[6]arene, to stabilize Q-CdS clusters which have been characterized by High Resolution TEM (HREM), as well as absorption and emission spectroscopies. Under typical preparative conditions, an average particle diameter of 36 Å is obtained. HREM, in combination with Selected Area Diffraction (SAD), confirms the structure of the clusters as zinc blende CdS. Spectroscopic studies using absorption and emission methods indicate that both particle size and cluster photophysics are sensitive to the ratio of CdS to calixarene.

Type
Research Article
Copyright
Copyright © Materials Research Society 1992

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References

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Use of Calixarene Host Molecules to Stabilize Quantum-confined Cadmium Sulfide Formation
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