PRODUCTION OF BINARY NANOPARTICLES(BiCu, BiTe, CdS)BY AEROSOL PROCESS: TREATMENT FOR ISOLATION AND CONCENTRATION

S. Tohno, M. Itoh and K. Kimura
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S. Tohno: Institute of Atomic Energy, Kyoto University, Uji, Kyoto 611, Japan
M. Itoh: Department of Chemical Engineering and Materials Science, Doshisha University, Tanabe, Tsuzuki-gun, Kyoto 610–03, Japan
K. Kimura: Department of Materials Science, Himeji Institute of Technology, Kamigori, Ako-gun, Hyogo 678–12, Japan

Surface Review and Letters (SRL), 1996, vol. 03, issue 01, 59-63

Abstract: We extended the modified gas-flow/cold-trap method to produce high-density and contact-free binary nanoparticles containing bismuth(BiCu, BiTe)and CdS particles. Binary nanoparticles were collected as stable dispersoids in hexane with a cationic surfactant. The electron micrographs showed individual clusters are separated from each other by surfactant thin layer and do not contact directly any other clusters even after the concentration process. The binary particles containing bismuth gave diffuse halo diffraction patterns characteristic of an amorphous state. Optical effects due to size quantization were observed for the CdS colloids.

Date: 1996
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DOI: 10.1142/S0218625X96000140

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