Synthesis of CdSe Nanocrystals by Using Colloidal Methods

Journal of Inorganic Materials

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Synthesis of CdSe Nanocrystals by Using Colloidal Methods

CHEN Yi; GAO Lian

State Key Lab of High Performance Ceramics & Superfine Microstructure; Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050; China

Received:2001-10-22 Revised:2001-12-14 Published:2002-11-20 Online:2002-11-20

Abstract

Abstract: CdSe nanocrystals were synthesized in tributylphophine (TBP) and tri-n-octylphosphine (TOPO) solvent by using a soft chemistry method. In contract to other methods, the reagent was injected several times while keeping the temperature over a period of time. TEM, AFM UV-vis were used to show the structure character of the nanocrystals. The formation mechanism of the nanocrystals was also discussed. The as-synthesized nanocrystal is shaped like a triangle cone with nearly equal sides of 60nm.

Key words: soft chemistry, CdSe, TOPO

CLC Number:

TB383

CHEN Yi,GAO Lian. Synthesis of CdSe Nanocrystals by Using Colloidal Methods[J]. Journal of Inorganic Materials.

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Synthesis of CdSe Nanocrystals by Using Colloidal Methods

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