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Superlattices of Semiconductor Quantum Size Particles in Layered Organic Acids

Published online by Cambridge University Press:  10 February 2011

Ronit Popovitz-Biro ,
Shouwu Guo ,
Volker Hensel ,
Edna Shavit  and
Meir Lahav
Ronit Popovitz-Biro
Affiliation:
Department of Materials and Interfaces, The Weizmann Institute of Science, 76100 Rehovot, Israel
Shouwu Guo
Affiliation:
Department of Materials and Interfaces, The Weizmann Institute of Science, 76100 Rehovot, Israel
Volker Hensel
Affiliation:
Department of Materials and Interfaces, The Weizmann Institute of Science, 76100 Rehovot, Israel
Edna Shavit
Affiliation:
Department of Materials and Interfaces, The Weizmann Institute of Science, 76100 Rehovot, Israel
Meir Lahav
Affiliation:
Department of Materials and Interfaces, The Weizmann Institute of Science, 76100 Rehovot, Israel
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Abstract

The preparation of lead sulfide and cadmium sulfide quantum size particles arranged in periodic layers within organic matrices is described. Superlattices of the particles have been generated in crystals or thin films of long chain amphiphilic acids by topotactic gas-solid reactions of the lead or cadmium salts, that pack in layer structures, with H2S gas. X-ray powder diffraction and transmission electron microscopy reveal that the crystalline order of the reactant has been partially retained in the organic-inorganic composite. This approach is demonstrated by examples of organic acids bearing an aromatic ring along the hydrocarbon chain, such as derivatives of phenyl propionic and benzoic acids.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 576: Symposium DD – Organic/Inorganic Hybrid Materials II , 1999 , 159
Copyright
Copyright © Materials Research Society 1999

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References

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